Analysis
- max time kernel
149s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
25/07/2024, 05:54
General
- Target 6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe
- Size 236KB
- Sample240725-glwe8asbpk
- SHA256 df0cad739821bec80626a98c9bc52d501ceda97649bb1f8decff2bd97f41f68a
Malware Config
Extracted
-
darkcomet
-
Guest16
-
mkidech.zapto.org:1604
-
DC_MUTEX-NB20Q2J
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
STjsNl3PnbGg
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
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 2 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\6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6e60134d0fe3e65aa45deb9c3e84b1a4_JaffaCakes118.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\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
-
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/2488-24-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-16-0x0000000002180000-0x0000000002181000-memory.dmp
memory/2488-17-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-19-0x0000000002180000-0x0000000002181000-memory.dmp
memory/2488-20-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-22-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-26-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-28-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2488-30-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4328-1-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/4328-15-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4328-0-0x0000000000400000-0x00000000004B8000-memory.dmp