Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
28/06/2024, 00:39
General
- Target 1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe
- Size 646KB
- Sample240628-az46ystfll
- SHA256 77d996c69a16c1be2b9ce2c80f10b89c3177dcdedde4f807898049c9af1fe372
Malware Config
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\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_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\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4132,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=3492 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
msdcsc.exe
memory/4080-0-0x0000000002800000-0x0000000002801000-memory.dmp
memory/4080-13-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-19-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-21-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-16-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-17-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-18-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-14-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/4824-20-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-15-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-22-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-23-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-24-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-25-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-26-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-27-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-28-0x0000000000400000-0x00000000004AF000-memory.dmp