Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/10/2026, 04:14
General
- Target jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
- Size 658KB
- Sample261012-etw1lsfd49
- SHA256 1fc8eec9ec7957182f6afc7d869a5216a2b92f47b754edf8ac8bf3f48aa8d80f
Malware Config
Extracted
-
darkcomet
-
Hacked
-
easy-serva4ok.ddns.net:27016
-
192.168.1.2:27016
-
DC_MUTEX-MVBT8UR
-
InstallPath
MSDCSC\msdcs.exe
-
gencode
w558RGY8b7ND
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
MicroUpdate
Signatures
- Family: 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 2 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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 3 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 64 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.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\msdcs.exe"C:\Users\Admin\Documents\MSDCSC\msdcs.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\Documents\MSDCSC\msdcs.exeC:\Users\Admin\Documents\MSDCSC\msdcs.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
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
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Downloads
msdcs.exe
memory/2764-0-0x000000000049D000-0x000000000049F000-memory.dmp
memory/2764-1-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2764-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4332-14-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4332-15-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4332-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4332-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4364-17-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4364-19-0x0000000000400000-0x00000000004B2000-memory.dmp