Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
03/05/2024, 02:36
General
- Target b680c244b8c257f50cc689c319b2772672fd0bf12799b6bbeea268046a00cc1b.exe
- Size 59KB
- Sample240503-c3websfb62
- SHA256 b680c244b8c257f50cc689c319b2772672fd0bf12799b6bbeea268046a00cc1b
Malware Config
Signatures
- UPX dump on OEP (original entry point) 2 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\b680c244b8c257f50cc689c319b2772672fd0bf12799b6bbeea268046a00cc1b.exe"C:\Users\Admin\AppData\Local\Temp\b680c244b8c257f50cc689c319b2772672fd0bf12799b6bbeea268046a00cc1b.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 3884⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1408 -ip 14081⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/220-0-0x0000000000400000-0x000000000042E000-memory.dmp
memory/220-1-0x00000000005A0000-0x00000000005B2000-memory.dmp
memory/220-2-0x0000000000401000-0x0000000000405000-memory.dmp
memory/220-3-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1408-9-0x0000000077D32000-0x0000000077D33000-memory.dmp
memory/1408-19-0x00007FFDAA890000-0x00007FFDAAA85000-memory.dmp
memory/1408-17-0x0000000002CF0000-0x0000000002CF6000-memory.dmp
memory/1408-6-0x0000000002CF0000-0x0000000002CF6000-memory.dmp
memory/1408-12-0x00007FFDAA890000-0x00007FFDAAA85000-memory.dmp
memory/1408-4-0x0000000002CF0000-0x0000000002CF6000-memory.dmp
memory/2448-16-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2448-15-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2448-20-0x00007FFDAAAB0000-0x00007FFDAAAB1000-memory.dmp
memory/3256-13-0x00007FFDAAAC0000-0x00007FFDAAAC1000-memory.dmp
memory/3256-10-0x0000000003190000-0x0000000003196000-memory.dmp
memory/3256-11-0x00007FFDAA92D000-0x00007FFDAA92E000-memory.dmp