Summary | ZeroBOX

Category	Machine	Started	Completed
URL	s1_win7_x6401	July 28, 2021, 1:47 p.m.	July 28, 2021, 1:49 p.m.

URL	http://136.144.41.61/KLcaCYuAidZMbBJ.exe
File	7b40c9c16df4b35a_klcacyuaidzmbbj[1].exe
Size	654.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`77e9f5464c103f8fedf6ae500d87dd32`
SHA256	`7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049`
CRC32	`626ED403`
ssdeep	`12288:ipYH4NalijuwznKrVxEv4+IU6fayumYP9seHEdxAdAQUwFim4O9qAov0d/+y7mo/:aJ6jwW+IpiyuIekdKBFFim4Ol7mo5oFY`
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" http://136.144.41.61/KLcaCYuAidZMbBJ.exe
2072
- iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2072 CREDAT:145409
  2800

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
117.18.232.200	Active	Moloch
136.144.41.61	Active	Moloch
164.124.101.2	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.101:49203 -> 136.144.41.61:80	2016141	ET INFO Executable Download from dotted-quad Host	A Network Trojan was detected
TCP 192.168.56.101:49210 -> 117.18.232.200:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 136.144.41.61:80 -> 192.168.56.101:49203	2018959	ET POLICY PE EXE or DLL Windows file download HTTP	Potential Corporate Privacy Violation
TCP 136.144.41.61:80 -> 192.168.56.101:49203	2021076	ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response	Potentially Bad Traffic
TCP 192.168.56.101:49211 -> 117.18.232.200:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 117.18.232.200:443 -> 192.168.56.101:49212	2029340	ET INFO TLS Handshake Failure	Potentially Bad Traffic

Suricata TLS

No Suricata TLS

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 28, 2021, 1:41 p.m.	stacktrace: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd6da49d RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7feff1673c3 ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7feff2c43bf IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7feff185295 I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7feff182799 Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7feff22af1e Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7feff22b76c NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7feff1848d6 CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7feff3f0883 CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7feff3f0ccd CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7feff3f0c43 CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7feff2aa4f0 GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7feff2bd551 CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7feff3f347e CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7feff3f122b CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7feff3f3542 GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7feff2bd42d GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7feff2bd1d6 TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x770d9bd1 TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x770d98da GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7feff2bd0ab CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7feff3e3e57 ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7feff290106 ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7feff290182 BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76e5652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x771ec521 exception.instruction_r: 48 81 c4 c8 00 00 00 c3 48 85 f6 74 08 83 3b 00 exception.symbol: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d exception.instruction: add rsp, 0xc8 exception.module: KERNELBASE.dll exception.exception_code: 0x80040155 exception.offset: 42141 exception.address: 0x7fefd6da49d registers.r14: 0 registers.r15: 0 registers.rcx: 104522656 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 104528608 registers.r11: 104524416 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1897742085 registers.r13: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 28, 2021, 1:41 p.m.

stacktrace:

RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd6da49d
RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7feff1673c3
ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7feff2c43bf
IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7feff185295
I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7feff182799
Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7feff22af1e
Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7feff22b76c
NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7feff1848d6
CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7feff3f0883
CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7feff3f0ccd
CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7feff3f0c43
CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7feff2aa4f0
GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7feff2bd551
CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7feff3f347e
CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7feff3f122b
CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7feff3f3542
GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7feff2bd42d
GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7feff2bd1d6
TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x770d9bd1
TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x770d98da
GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7feff2bd0ab
CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7feff3e3e57
ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7feff290106
ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7feff290182
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76e5652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x771ec521

exception.instruction_r: 48 81 c4 c8 00 00 00 c3 48 85 f6 74 08 83 3b 00
exception.symbol: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d
exception.instruction: add rsp, 0xc8
exception.module: KERNELBASE.dll
exception.exception_code: 0x80040155
exception.offset: 42141
exception.address: 0x7fefd6da49d
registers.r14: 0
registers.r15: 0
registers.rcx: 104522656
registers.rsi: 0
registers.r10: 0
registers.rbx: 0
registers.rsp: 104528608
registers.r11: 104524416
registers.r8: 0
registers.r9: 0
registers.rdx: 1
registers.r12: 0
registers.rbp: 0
registers.rdi: 0
registers.rax: 1897742085
registers.r13: 0

HTTP traffic contains suspicious features which may be indicative of malware related traffic (1 event)

suspicious_features

Connection to IP address

suspicious_request

GET http://136.144.41.61/KLcaCYuAidZMbBJ.exe

Performs some HTTP requests (2 events)

request	GET http://136.144.41.61/KLcaCYuAidZMbBJ.exe
request	GET http://ie9cvlist.ie.microsoft.com/IE9CompatViewList.xml

Allocates read-write-execute memory (usually to unpack itself) (50 out of 55 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 region_size: 331776 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000001220000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000001270000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770dd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077102000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770e4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077102000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc135000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc135000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdda4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefda01000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770ca000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002e80000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000735bc000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2072 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002ff0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:41 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000074403000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 region_size: 5902336 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000003130000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000036d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077131000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770dd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077102000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770e4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077102000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc135000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc135000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdda4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefda01000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770ca000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770cf000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770cd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770cb000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076e56000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000077206000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076e51000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770d0000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000770ca000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000771df000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000771eb000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007feff3d7000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2021, 1:40 p.m.	process_identifier: 2800 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdd44000 process_handle: 0xffffffffffffffff	1

An application raised an exception which may be indicative of an exploit crash (2 events)

Time & API	Arguments	Status	Return	Repeated
Application Crash	Process iexplore.exe with pid 2072 crashed
__exception__ July 28, 2021, 1:41 p.m.	stacktrace: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd6da49d RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7feff1673c3 ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7feff2c43bf IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7feff185295 I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7feff182799 Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7feff22af1e Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7feff22b76c NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7feff1848d6 CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7feff3f0883 CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7feff3f0ccd CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7feff3f0c43 CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7feff2aa4f0 GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7feff2bd551 CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7feff3f347e CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7feff3f122b CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7feff3f3542 GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7feff2bd42d GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7feff2bd1d6 TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x770d9bd1 TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x770d98da GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7feff2bd0ab CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7feff3e3e57 ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7feff290106 ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7feff290182 BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76e5652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x771ec521 exception.instruction_r: 48 81 c4 c8 00 00 00 c3 48 85 f6 74 08 83 3b 00 exception.symbol: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d exception.instruction: add rsp, 0xc8 exception.module: KERNELBASE.dll exception.exception_code: 0x80040155 exception.offset: 42141 exception.address: 0x7fefd6da49d registers.r14: 0 registers.r15: 0 registers.rcx: 104522656 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 104528608 registers.r11: 104524416 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1897742085 registers.r13: 0	1	0	0

Application Crash

Process iexplore.exe with pid 2072 crashed

Time & API

Arguments

Status

Return

Repeated

__exception__

July 28, 2021, 1:41 p.m.

stacktrace:

RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd6da49d
RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7feff1673c3
ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7feff2c43bf
IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7feff185295
I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7feff182799
Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7feff22af1e
Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7feff22b76c
NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7feff1848d6
CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7feff3f0883
CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7feff3f0ccd
CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7feff3f0c43
CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7feff2aa4f0
GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7feff2bd551
CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7feff3f347e
CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7feff3f122b
CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7feff3f3542
GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7feff2bd42d
GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7feff2bd1d6
TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x770d9bd1
TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x770d98da
GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7feff2bd0ab
CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7feff3e3e57
ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7feff290106
ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7feff290182
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76e5652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x771ec521

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZTY94C7J\KLcaCYuAidZMbBJ[1].exe

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZTY94C7J\KLcaCYuAidZMbBJ[1].exe

Potentially malicious URLs were found in the process memory dump (50 out of 1374 events)

url	https://ssl.pstatic.net/tveta/libs/1287/1287046/6df1cc02334922baa2d4_20200806172035021.jpg
url	https://ssl.pstatic.net/static/pwe/common/img_use_mobile_version.png
url	http://uk.ask.com/favicon.ico
url	https://fonts.gstatic.com/s/lato/v16/S6uyw4BMUTPHjx4wWA.woff
url	http://www.cnet.com/favicon.ico
url	https://castbox.shopping.naver.com/js/lazyload.js
url	https://s.pstatic.net/shopping.phinf/20200729_1/2931dd60-1842-4048-a39c-1e3389db4a0e.jpg
url	https://ssl.pstatic.net/tveta/libs/1188/1188212/9cdbcc9ac7fa60c50050_20180131133417705.png
url	http://search.hanafos.com/favicon.ico
url	https://ssl.pstatic.net/tveta/libs/1298/1298853/743c01d46e807a376d99_20200730182507675.png
url	https://s.pstatic.net/static/newsstand/2020/logo/light/0604/820.png
url	https://file-examples-com.github.io/uploads/2017/02/file-sample_1MB.doc
url	http://blogimgs.naver.com/nblog/skins/happybean/bg-head.gif
url	http://www.amazon.co.jp/
url	http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
url	http://yellowpages.superpages.com/
url	https://www.naver.com
url	https://s.pstatic.net/shopping.phinf/20200806_26/3cad46ab-3fa4-4756-9e01-d61372890bd0.jpg
url	https://s.pstatic.net/dthumb.phinf/?src=%22http%3A%2F%2Fstatic.naver.net%2Fwww%2Fmobile%2Fedit%2F2020%2F0804%2Fmobile_212629657646c.jpg%22
url	https://my.sendinblue.com/public/theme/version4/assets/images/loader_sblue.gif
url	https://ssl.pstatic.net/static/pwe/nm/sp_mail_setup_140716.png
url	https://s.pstatic.net/shopping.phinf/20180206_26/7e09abe6-c90b-4dc0-b6ef-e8ab8e8c4967.jpg
url	http://search.sify.com/
url	https://s.pstatic.net/static/newsstand/2020/logo/light/0604/410.png
url	http://search.msn.com/results.aspx?q=
url	https://s.pstatic.net/shopping.phinf/20200731_21/4628ed28-27dc-4586-871c-f7f22524da89.jpg?type=f214_292
url	https://s.pstatic.net/imgshopping/static/sb/js/sb/nclktagS01_v1.js?v=2020080314
url	https://ssl.pstatic.net/tveta/libs/1299/1299024/c033376e145702a0a471_20200806171156016.jpg
url	https://fonts.googleapis.com/css?family=Open
url	https://s.pstatic.net/shopping.phinf/20180207_23/05fc533c-1c95-44ee-9dc3-bc32922cf0bb.jpg
url	http://si.wikipedia.org/w/api.php?action=opensearch
url	http://www.signatur.rtr.at/de/directory/cps.html0
url	http://search.ebay.fr/
url	https://s.pstatic.net/static/newsstand/2020/logo/light/0604/921.png
url	https://file-examples.com/wp-content/themes/file-examples/vendor/font-awesome/fonts/fontawesome-webfont.eot?
url	http://www.certplus.com/CRL/class3TS.crl0
url	https://s.pstatic.net/shopping.phinf/20200603_16/34b72b79-bb6a-40b2-b35d-ae82e0ee5115.jpg
url	http://it.wikipedia.org/favicon.ico
url	http://uk.ask.com/
url	https://fonts.gstatic.com/s/muli/v22/7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e4.woff
url	https://s.pstatic.net/static/www/img/uit/2020/sp_shop.4e0461.png
url	http://blogimgs.naver.com/blog20/blog/layout_photo/viewer2/btn_right.gif
url	http://www.google.cz/
url	http://search.ebay.co.uk/
url	https://nid.naver.com/login/ext/deviceConfirm.nhn?svctype=1
url	http://www.weather.com/
url	https://fonts.gstatic.com/s/catamaran/v7/o-0bIpQoyXQa2RxT7-5B6Ryxs2E_6n1iPCbd5a7dvQ.woff
url	http://www.news.com.au/favicon.ico
url	http://blogimgs.naver.net/blog20/blog/layout_photo/viewer2/btn_right.gif
url	https://s.pstatic.net/static/www/mobile/edit/2020/0806/cropImg_196x196_38636284969421088.jpeg

Yara rule detected in process memory (50 out of 72 events)

description	Communication using DGA	rule	Network_DGA
description	Communications use DNS	rule	Network_DNS
description	Communications over RAW Socket	rule	Network_TCP_Socket
description	Create a windows service	rule	Create_Service
description	Record Audio	rule	Sniff_Audio
description	Escalate priviledges	rule	Escalate_priviledges
description	Run a KeyLogger	rule	KeyLogger
description	Code injection with CreateRemoteThread in a remote process	rule	Code_injection
description	Communications over HTTP	rule	Network_HTTP
description	Hijack network configuration	rule	Hijack_Network
description	Match Windows Inet API call	rule	Str_Win32_Internet_API
description	Communications over FTP	rule	Network_FTP
description	Take ScreenShot	rule	ScreenShot
description	Match Windows Http API call	rule	Str_Win32_Http_API
description	Steal credential	rule	local_credential_Steal
description	File Downloader	rule	Network_Downloader
description	Communications over P2P network	rule	Network_P2P_Win
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerCheck__RemoteAPI
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	DebuggerException__ConsoleCtrl
description	(no description)	rule	DebuggerException__SetConsoleCtrl
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	(no description)	rule	Check_Dlls
description	Checks if being debugged	rule	anti_dbg
description	Anti-Sandbox checks for ThreatExpert	rule	antisb_threatExpert
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook
description	Install itself for autorun at Windows startup	rule	Persistence
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep
description	Communication using DGA	rule	Network_DGA
description	Communications use DNS	rule	Network_DNS
description	Communications over RAW Socket	rule	Network_TCP_Socket
description	Create a windows service	rule	Create_Service
description	Record Audio	rule	Sniff_Audio
description	Escalate priviledges	rule	Escalate_priviledges
description	Run a KeyLogger	rule	KeyLogger
description	Code injection with CreateRemoteThread in a remote process	rule	Code_injection
description	Communications over HTTP	rule	Network_HTTP
description	Hijack network configuration	rule	Hijack_Network

Uses Windows utilities for basic Windows functionality (1 event)

cmdline

"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2072 CREDAT:145409

Communicates with host for which no DNS query was performed (2 events)

host	117.18.232.200
host	136.144.41.61

File has been identified by 12 AntiVirus engines on VirusTotal as malicious (12 events)

CRDF	malicious site
Fortinet	malware site
Lionic	malicious site
CyRadar	malicious site
Webroot	malicious site
Avira	malware site
Kaspersky	malware site
Dr_Web	malicious site
URLhaus	malicious site
G-Data	malware site
Forcepoint ThreatSeeker	malicious site
ESET	malware site

Found URLs in memory pointing to an IP address rather than a domain (potentially indicative of Command & Control traffic) (2 events)

url	http://136.144.41.61/KLcaCYuAidZMbBJ.exe
url	http://136.144.41.61/favicon.ico

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2072 resumed a thread in remote process 2800
NtResumeThread July 28, 2021, 1:40 p.m.	thread_handle: 0x0000000000000328 suspend_count: 1 process_identifier: 2800	1	0	0

http://136.144.41.61/KLcaCYuAidZMbBJ.exe

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