Analysis
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max time kernel
139s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
14-10-2024 22:24
General
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Target
447744547bc5a5971b2443dda1018377_JaffaCakes118.exe
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Size
714KB
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MD5
447744547bc5a5971b2443dda1018377
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SHA1
3f014407e6c724a1eabcc57723bfe12db5b10188
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SHA256
f3cb737ca89ce26add94b6c7943d835ee6a40610dd5b43b4849e0ae2b25a5f4b
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SHA512
36f8c632348dc5eadc14389f5ceeac88b4c2a43ea57d08b9797d43bc621ba3bf10ff0919ef83dcbe61dcb4db225690c6a4cac6c8c103b4869bf24b1d7c7844f8
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SSDEEP
12288:GaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdj:XAEENIq8XwyVPQclDq/+WnpsSj
Malware Config
Signatures
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 1 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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Drops file in System32 directory 3 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 1 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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 1 IoCs
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Modifies registry class 1 IoCs
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Suspicious use of AdjustPrivilegeToken 24 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\447744547bc5a5971b2443dda1018377_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\447744547bc5a5971b2443dda1018377_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- 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:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"2⤵
- Executes dropped EXE
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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
45KB
MD5b7c999040d80e5bf87886d70d992c51e
SHA1a8ed9a51cc14ccf99b670e60ebbc110756504929
SHA2565c3257b277f160109071e7e716040e67657341d8c42aa68d9afafe1630fcc53e
SHA51271ba2fbd705e51b488afe3bb33a67212cf297e97e8b1b20ada33e16956f7ec8f89a79e04a4b256fd61a442fada690aff0c807c2bdcc9165a9c7be3de725de309
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Filesize
4KB
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Filesize
768KB