Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
20/05/2024, 13:16
General
- Target 5f44ff7305c97d69e90a70cb11a51f08_JaffaCakes118.exe
- Size 1.5MB
- Sample240520-qhs1cscf71
- SHA256 b272f8adb317c5fa71ca69becbca71ad661081f963ffdd01105eab2332e3c298
Malware Config
Extracted
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darkcomet
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Host...7
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jimmykarcter.ddnsking.com:1491
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DC_MUTEX-PS4J221
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gencode
61wK7ycJ0Rd9
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install
false
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offline_keylogger
true
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persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- UPX packed file 26 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Uses the VBS compiler for execution 1 TTPs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5f44ff7305c97d69e90a70cb11a51f08_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5f44ff7305c97d69e90a70cb11a51f08_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5f44ff7305c97d69e90a70cb11a51f08_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5f44ff7305c97d69e90a70cb11a51f08_JaffaCakes118.exe" /AutoIt3ExecuteScript "C:\Users\Admin\AppData\Local\Temp\wVcdqWuew"2⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c del /q /f %temp%\*.lnk4⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn WindowsUpdateFBqVJ0x84295244⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn WindowsUpdateFBqVJ0x8429525 /tr "C:\ProgramData\FBqVJZhh\IhhZJVqBF.exe" /RL HIGHEST4⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
wVcdqWuew
SXxTxW.exe
memory/2672-19-0x0000000000400000-0x0000000000425000-memory.dmp
memory/2672-25-0x0000000000400000-0x0000000000425000-memory.dmp
memory/2672-16-0x0000000000400000-0x0000000000425000-memory.dmp
memory/2672-13-0x0000000000400000-0x0000000000425000-memory.dmp
memory/4372-26-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-31-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-18-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-12-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-23-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-22-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-24-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-11-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-10-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-27-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-29-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-14-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-33-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-35-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-37-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-39-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-41-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-43-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-45-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-47-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-49-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4372-51-0x0000000000400000-0x00000000004B7000-memory.dmp