Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/07/2024, 11:17
General
- Target 1b16e121ede1406df30572424cd20332_JaffaCakes118.exe
- Size 733KB
- Sample240701-ndt1raycna
- SHA256 2ce304f5905ae42f093fc3e13669e86e21a3aa2118064967225b98e43e953fff
Malware Config
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b16e121ede1406df30572424cd20332_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1b16e121ede1406df30572424cd20332_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
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C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
winupdate.exe
memory/2360-41-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-43-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-36-0x0000000000670000-0x0000000000671000-memory.dmp
memory/2360-37-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-38-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-39-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-40-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-50-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-49-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-44-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-42-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-45-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-46-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-47-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2360-48-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/5108-35-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/5108-0-0x00000000022B0000-0x00000000022B1000-memory.dmp