Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 16, 2023, 4:13 p.m.	April 16, 2023, 4:17 p.m.

Size	4.8KB
Type	HTML document, ASCII text, with very long lines
MD5	`b572fd75f4e8bedd4c0fd500e76f32db`
SHA256	`5dc35fb46a8fadfe7a28f3291d53750db1cf5b465643e987e5968613c354e71c`
CRC32	`E89E1FBF`
ssdeep	`48:0UlmWsNI38WkPwr87LyuRSu1VcuzyKV+diZvGnoOt3VsMhG4NVIF05nIY4eWNWbM:pXsI9k4qLpRSwnz52VilcnIwtUuycxu`
Yara	None matched

iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\test22\AppData\Local\Temp\41231.exe.html
2600
- iexplore.exe "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2600 CREDAT:145409
  2688

Name	Response	Post-Analysis Lookup
fonts.googleapis.com	A 172.217.27.42 A 142.251.220.42	142.250.207.106
camo.githubusercontent.com	A 185.199.109.133 A 185.199.111.133 A 185.199.110.133 A 185.199.108.133	185.199.108.133

IP Address	Status	Action
117.18.232.200	Active	Moloch
142.251.220.42	Active	Moloch
164.124.101.2	Active	Moloch
172.217.27.42	Active	Moloch
185.199.110.133	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.101:49171 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49169 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49170 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49173 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49176 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49172 -> 185.199.110.133:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49181 -> 117.18.232.200:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 117.18.232.200:443 -> 192.168.56.101:49182	2029340	ET INFO TLS Handshake Failure	Potentially Bad Traffic
TCP 192.168.56.101:49180 -> 117.18.232.200:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 185.199.110.133:443 -> 192.168.56.101:49174	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__ April 16, 2023, 4:07 p.m.	stacktrace: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd4fa49d RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdba73c3 ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefd9243bf IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdbc5295 I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdbc2799 Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdc6af1e Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdc6b76c NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdbc48d6 CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefda50883 CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefda50ccd CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefda50c43 CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefd90a4f0 GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefd91d551 CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefda5347e CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefda5122b CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefda53542 GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefd91d42d GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefd91d1d6 TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x769c9bd1 TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x769c98da GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefd91d0ab CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefda43e57 ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefd8f0106 ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefd8f0182 BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521 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: 0x7fefd4fa49d registers.r14: 0 registers.r15: 0 registers.rcx: 110289472 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 110295424 registers.r11: 110291232 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1886734635 registers.r13: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

April 16, 2023, 4:07 p.m.

stacktrace:

RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd4fa49d
RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdba73c3
ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefd9243bf
IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdbc5295
I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdbc2799
Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdc6af1e
Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdc6b76c
NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdbc48d6
CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefda50883
CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefda50ccd
CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefda50c43
CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefd90a4f0
GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefd91d551
CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefda5347e
CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefda5122b
CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefda53542
GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefd91d42d
GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefd91d1d6
TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x769c9bd1
TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x769c98da
GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefd91d0ab
CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefda43e57
ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefd8f0106
ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefd8f0182
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521

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: 0x7fefd4fa49d
registers.r14: 0
registers.r15: 0
registers.rcx: 110289472
registers.rsi: 0
registers.r10: 0
registers.rbx: 0
registers.rsp: 110295424
registers.r11: 110291232
registers.r8: 0
registers.r9: 0
registers.rdx: 1
registers.r12: 0
registers.rbp: 0
registers.rdi: 0
registers.rax: 1886734635
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 April 16, 2023, 4:06 p.m.	process_identifier: 2600 region_size: 7081984 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000031b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000003870000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769cd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769d4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbca5000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbca5000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefefc4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdcd1000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769ba000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000035e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000000007304c000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:07 p.m.	process_identifier: 2600 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000074213000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 region_size: 3870720 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002e60000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000003210000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076a21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769cd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769d4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbca5000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbca5000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefefc4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefdcd1000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769ba000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769bf000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769bd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769bb000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076c26000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076d76000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076c21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769c0000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000769ba000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076d4f000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000076d5b000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefda37000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefef64000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefef61000 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 2600 crashed
__exception__ April 16, 2023, 4:07 p.m.	stacktrace: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd4fa49d RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdba73c3 ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefd9243bf IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdbc5295 I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdbc2799 Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdc6af1e Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdc6b76c NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdbc48d6 CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefda50883 CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefda50ccd CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefda50c43 CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefd90a4f0 GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefd91d551 CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefda5347e CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefda5122b CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefda53542 GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefd91d42d GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefd91d1d6 TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x769c9bd1 TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x769c98da GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefd91d0ab CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefda43e57 ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefd8f0106 ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefd8f0182 BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521 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: 0x7fefd4fa49d registers.r14: 0 registers.r15: 0 registers.rcx: 110289472 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 110295424 registers.r11: 110291232 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1886734635 registers.r13: 0	1	0	0

Application Crash

Process iexplore.exe with pid 2600 crashed

Time & API

Arguments

Status

Return

Repeated

__exception__

April 16, 2023, 4:07 p.m.

stacktrace:

RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefd4fa49d
RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdba73c3
ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefd9243bf
IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdbc5295
I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdbc2799
Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdc6af1e
Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdc6b76c
NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdbc48d6
CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefda50883
CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefda50ccd
CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefda50c43
CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefd90a4f0
GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefd91d551
CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefda5347e
CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefda5122b
CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefda53542
GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefd91d42d
GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefd91d1d6
TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x769c9bd1
TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x769c98da
GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefd91d0ab
CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefda43e57
ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefd8f0106
ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefd8f0182
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521

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 April 16, 2023, 4:06 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x000007fffff70000 process_handle: 0xffffffffffffffff	1	0	0

Yara rule detected in process memory (8 events)

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:2600 CREDAT:145409

Communicates with host for which no DNS query was performed (1 event)

host

117.18.232.200

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

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2600 resumed a thread in remote process 2688
NtResumeThread April 16, 2023, 4:06 p.m.	thread_handle: 0x0000000000000364 suspend_count: 1 process_identifier: 2688	1	0	0

Generates some ICMP traffic

Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually) (2 events)

dead_host	142.251.220.42:445
dead_host	172.217.27.42:139

41231.exe

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