Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
11/09/2024, 13:42
General
- Target da783d50f1ad36cfd67f5f8384eed257_JaffaCakes118.exe
- Size 1.4MB
- Sample240911-qznf7stbpp
- SHA256 80ebdc217e40df20c520c1bbf2adaca107ad019a34c91b08391394f63bf9b978
Malware Config
Extracted
-
darkcomet
-
Guest16
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127.0.0.1:1604
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khaledboos.no-ip.biz:1604
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DC_MUTEX-9MKHND2
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InstallPath
MSDCSC\msdcsc.exe
-
gencode
e6B8pehka9Rg
-
install
true
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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 2 IoCs
- UPX packed file 30 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 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 4 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 3 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\da783d50f1ad36cfd67f5f8384eed257_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da783d50f1ad36cfd67f5f8384eed257_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\da783d50f1ad36cfd67f5f8384eed257_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da783d50f1ad36cfd67f5f8384eed257_JaffaCakes118.exe"2⤵
- 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"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
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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/3020-40-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-36-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-49-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-48-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-47-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-46-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-45-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-27-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-28-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-29-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-30-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-31-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-33-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-32-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-44-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-43-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-42-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-37-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-38-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-39-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-35-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-41-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/3020-34-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-2-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-4-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-19-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-3-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-7-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-5-0x0000000000400000-0x00000000004B9000-memory.dmp
memory/5044-6-0x0000000000400000-0x00000000004B9000-memory.dmp