Analysis
- max time kernel
174s - max time network
175s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/10/2022, 10:02
General
- Target 579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5.exe
- Size 480KB
- Sample221014-l2tzjsadd5
- SHA256 579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5
Malware Config
Extracted
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darkcomet
-
Gæst-1
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spicial-k.no-ip.biz:1604
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DC_MUTEX-MEGHSPW
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InstallPath
MSDCSC\msdcsc.exe
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gencode
tWYZrC7zPWjY
-
install
true
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offline_keylogger
true
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persistence
true
-
reg_key
MicroUpdate
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- ModiLoader Second Stage 3 IoCs
- Molebox Virtualization software 5 IoCs
Detects file using Molebox Virtualization software.
- Executes dropped EXE 2 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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). Likely ransomware behaviour.
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5.exe"C:\Users\Admin\AppData\Local\Temp\579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5.exe"C:\Users\Admin\AppData\Local\Temp\579d9d9ae7f49e2a0cd43e61d65f89b2ebe2026097c2c4d378d569d10867ded5.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- 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
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
msdcsc.exe
msdcsc.exe
msdcsc.exe
memory/612-156-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/612-155-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3524-137-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3524-140-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3524-141-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3524-142-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3524-136-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4256-132-0x00000000006E0000-0x000000000071D000-memory.dmp
memory/4256-138-0x00000000006E0000-0x000000000071D000-memory.dmp
memory/4256-139-0x0000000000400000-0x000000000051B000-memory.dmp
memory/4256-134-0x0000000000400000-0x000000000051B000-memory.dmp
memory/4256-133-0x0000000000400000-0x000000000051B000-memory.dmp
memory/4744-146-0x0000000000400000-0x000000000051B000-memory.dmp
memory/4744-152-0x0000000000400000-0x000000000051B000-memory.dmp
memory/4744-150-0x00000000009A0000-0x00000000009DD000-memory.dmp