Analysis
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max time kernel
137s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 14:39
Static task
static1
Behavioral task
behavioral1
Sample
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe
Resource
win10v2004-20220812-en
General
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Target
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe
-
Size
944KB
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MD5
f5612f5b7080c3022867b23879accedd
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SHA1
3569670f114f296e93e455c4607899183444de71
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SHA256
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22
-
SHA512
b7683f872d400bd2291956c447a4dc33b5c9cd8001e036518da976cef3caec4732adbf3f1acfb965e183396cd88280471aa8039ccff04585848aade8038293d8
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SSDEEP
12288:XpkrMtjvLdJxSEdQTQyj+DaUoFFGSmADH/61TSK9y7FDqS5DvJkD564S67EkVIPP:aYLD0zK6FF1D/0vmDqAL28UQyVblm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exepid process 748 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe -
Processes:
resource yara_rule behavioral2/memory/748-133-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/748-135-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/748-137-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/748-138-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/748-139-0x0000000000400000-0x000000000063E000-memory.dmp upx -
Suspicious use of SetThreadContext 1 IoCs
Processes:
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exedescription pid process target process PID 3008 set thread context of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3360 748 WerFault.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 532 748 WerFault.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exepid process 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exedescription pid process target process PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe PID 3008 wrote to memory of 748 3008 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe 31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe"C:\Users\Admin\AppData\Local\Temp\31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exeC:\Users\Admin\AppData\Local\Temp\31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe2⤵
- Executes dropped EXE
PID:748 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 5083⤵
- Program crash
PID:3360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 5443⤵
- Program crash
PID:532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 748 -ip 7481⤵PID:2608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 748 -ip 7481⤵PID:3160
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\31cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22.exe
Filesize944KB
MD5f5612f5b7080c3022867b23879accedd
SHA13569670f114f296e93e455c4607899183444de71
SHA25631cfd8ff4874c5057124d764638e5cb46c16531ee48d9258363afd32a3916b22
SHA512b7683f872d400bd2291956c447a4dc33b5c9cd8001e036518da976cef3caec4732adbf3f1acfb965e183396cd88280471aa8039ccff04585848aade8038293d8