Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
12/07/2024, 19:55
General
- Target 3eab78ab476a9ca584e9052e1104d15e_JaffaCakes118.exe
- Size 659KB
- Sample240712-ym5tqazfpc
- SHA256 0a47339c538e25fbc03f9f4d5be89dd4840927c0123f1a676bdce1a0f571442d
Malware Config
Extracted
-
darkcomet
-
MascHera
-
maschera.zapto.org:2000
-
DCMIN_MUTEX-XQ7FPCA
-
InstallPath
DCSCMIN\IMDCSC.exe
-
gencode
9V2Xyv1FcrCm
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
DarkComet RAT
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- 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).
- 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\3eab78ab476a9ca584e9052e1104d15e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3eab78ab476a9ca584e9052e1104d15e_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
IMDCSC.exe
memory/1272-18-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-20-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-13-0x0000000000680000-0x0000000000681000-memory.dmp
memory/1272-14-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-15-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-16-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-17-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-27-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-26-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-21-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-19-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-22-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-23-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-24-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1272-25-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/3628-12-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/3628-0-0x00000000023B0000-0x00000000023B1000-memory.dmp