Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
20/02/2025, 03:36
General
- Target JaffaCakes118_0968369551525fcd017fab370edce910.exe
- Size 690KB
- Sample250220-d54ddsvrew
- SHA256 e42f7e0488a1875704d8adc7f60d9c8e257a1082dde768cc95805ffef66a3f67
Malware Config
Extracted
-
darkcomet
-
Guest16
-
ludovicflorent1.no-ip.org:1604
-
DC_MUTEX-6MVZZKV
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
PdJqXXEdo28D
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
MicroUpdate
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Darkcomet family
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- 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).
- 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.
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0968369551525fcd017fab370edce910.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0968369551525fcd017fab370edce910.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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
msdcsc.exe
memory/2468-15-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2468-0-0x0000000002260000-0x0000000002261000-memory.dmp
memory/5048-20-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-22-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-17-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/5048-18-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-19-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-14-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/5048-21-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-23-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-24-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-25-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-26-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-27-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-28-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-29-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5048-30-0x0000000000400000-0x00000000004BA000-memory.dmp