Summary | ZeroBOX

Category	Machine	Started	Completed
URL	s1_win7_x6402	March 23, 2021, 7:46 a.m.	March 23, 2021, 7:49 a.m.

URL	http://185.250.148.252/44277.6991231482.dat

iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" http://185.250.148.252/44277.6991231482.dat
7748
- iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:7748 CREDAT:145409
  7636

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
162.243.164.215	Active	Moloch
117.18.232.200	Active	Moloch
164.124.101.2	Active	Moloch
172.217.25.14	Active	Moloch
185.250.148.252	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.102:49821 -> 117.18.232.200:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.102:49822 -> 117.18.232.200:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 117.18.232.200:443 -> 192.168.56.102:49823	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__ March 23, 2021, 7:47 a.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: 98165216 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 98171168 registers.r11: 98166976 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1914329326 registers.r13: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

March 23, 2021, 7:47 a.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: 98165216
registers.rsi: 0
registers.r10: 0
registers.rbx: 0
registers.rsp: 98171168
registers.r11: 98166976
registers.r8: 0
registers.r9: 0
registers.rdx: 1
registers.r12: 0
registers.rbp: 0
registers.rdi: 0
registers.rax: 1914329326
registers.r13: 0

Performs some HTTP requests (1 event)

request

GET http://ie9cvlist.ie.microsoft.com/IE9CompatViewList.xml

Allocates read-write-execute memory (usually to unpack itself) (50 out of 54 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7748 region_size: 15536128 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002a70000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7748 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000003940000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 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 March 23, 2021, 7:46 a.m.	process_identifier: 7748 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002fc0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7748 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
NtProtectVirtualMemory March 23, 2021, 7:47 a.m.	process_identifier: 7748 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000745f3000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7636 region_size: 16191488 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002330000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7636 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000032a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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 March 23, 2021, 7:46 a.m.	process_identifier: 7636 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
NtProtectVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7636 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdd41000 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 7748 crashed
__exception__ March 23, 2021, 7:47 a.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: 98165216 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 98171168 registers.r11: 98166976 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1914329326 registers.r13: 0	1	0	0

Application Crash

Process iexplore.exe with pid 7748 crashed

Time & API

Arguments

Status

Return

Repeated

__exception__

March 23, 2021, 7:47 a.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

File has been identified by 3 AntiVirus engines on VirusTotal as malicious (3 events)

CRDF	malicious site
Kaspersky	malware site
Forcepoint ThreatSeeker	malicious site

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory March 23, 2021, 7:46 a.m.	process_identifier: 7636 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 65536 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x0000000002b00000 process_handle: 0xffffffffffffffff	1	0	0

Yara rule detected in process memory (11 events)

description	Affect system registries	rule	win_registry
description	Affect system token	rule	win_token
description	Affect private profile	rule	win_files_operation
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

Uses Windows utilities for basic Windows functionality (1 event)

cmdline

"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:7748 CREDAT:145409

Communicates with host for which no DNS query was performed (4 events)

host	162.243.164.215
host	117.18.232.200
host	172.217.25.14
host	185.250.148.252

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

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 7748 resumed a thread in remote process 7636
NtResumeThread March 23, 2021, 7:46 a.m.	thread_handle: 0x000000000000032c suspend_count: 1 process_identifier: 7636	1	0	0

Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) (1 event)

dead_host

185.250.148.252:80

http://185.250.148.252/44277.6991231482.dat

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