Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
07/02/2025, 01:50
General
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Target
JaffaCakes118_b1a3c5db325c060c8b57cb8b801cfbc1.exe
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Size
747KB
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MD5
b1a3c5db325c060c8b57cb8b801cfbc1
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SHA1
4590519c8939e940600d63c6371ff41ef8a2bb60
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SHA256
816e32923f8d32cdcd4c8d847740acdaaac66d806f6bf5e435ad06aa8d3b9293
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SHA512
2e1674cd81ca82c746e5a9b5049cdcd442c151421c045430b1a0bd4e44f84c330a4b876ed25cc70d5ef250cce550a36df9f7298d7c086c18de653b6d2d424f77
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SSDEEP
12288:9aAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKE:YAEE3uBDhynCylQgi63O9+VuN
Malware Config
Signatures
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Drops file in Drivers directory 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Modifies registry class 1 IoCs
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Suspicious use of AdjustPrivilegeToken 48 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1a3c5db325c060c8b57cb8b801cfbc1.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1a3c5db325c060c8b57cb8b801cfbc1.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- 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:\System\ÚÈÏÇáÑÍãä.exe"C:\System\ÚÈÏÇáÑÍãä.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
747KB
MD5b1a3c5db325c060c8b57cb8b801cfbc1
SHA14590519c8939e940600d63c6371ff41ef8a2bb60
SHA256816e32923f8d32cdcd4c8d847740acdaaac66d806f6bf5e435ad06aa8d3b9293
SHA5122e1674cd81ca82c746e5a9b5049cdcd442c151421c045430b1a0bd4e44f84c330a4b876ed25cc70d5ef250cce550a36df9f7298d7c086c18de653b6d2d424f77
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Filesize
804KB
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Filesize
804KB
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Filesize
4KB
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Filesize
4KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
804KB
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Filesize
4KB