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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02/01/2025, 23:30
General
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Target
JaffaCakes118_68e253a55c4a28731487e0fdc3d835d0.exe
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Size
251KB
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MD5
68e253a55c4a28731487e0fdc3d835d0
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SHA1
135fcb91456244a3489a7df238736256c2a46710
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SHA256
2b4d6cc309d66426d87561373019a305f680b78bf00b3cf4bfb5a70abfe2f43c
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SHA512
ef2835bde74f6b3e70e368a724064f192c2b07d1a9b1d63285b211a36d5467714b686950cd6814c05e426f82a57cfa0b62caed2c8c1926317aae577ff93a3fa6
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SSDEEP
6144:LcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37fH:LcW7KEZlPzCy37f
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1605
DC_MUTEX-GXY5GTG
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InstallPath
MSDCSC\msdcsc.exe
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gencode
EAfvbkXl76Al
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
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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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 2 IoCs
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UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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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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_68e253a55c4a28731487e0fdc3d835d0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68e253a55c4a28731487e0fdc3d835d0.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- 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
251KB
MD568e253a55c4a28731487e0fdc3d835d0
SHA1135fcb91456244a3489a7df238736256c2a46710
SHA2562b4d6cc309d66426d87561373019a305f680b78bf00b3cf4bfb5a70abfe2f43c
SHA512ef2835bde74f6b3e70e368a724064f192c2b07d1a9b1d63285b211a36d5467714b686950cd6814c05e426f82a57cfa0b62caed2c8c1926317aae577ff93a3fa6
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Filesize
4KB
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Filesize
732KB
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Filesize
4KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
732KB
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Filesize
4KB
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Filesize
732KB
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Filesize
732KB