Analysis
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max time kernel
143s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01-11-2024 14:50
General
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Target
9079c18a43d9c576c2f4ed584358db68bbbf3c390fb6612df4120fc05966970d.exe
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Size
735KB
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MD5
7c4dab2aae3b500e62bcc2e69e2e2e1b
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SHA1
5d4b0e4c0837094a15902c0a984351dbf7fe9bfb
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SHA256
9079c18a43d9c576c2f4ed584358db68bbbf3c390fb6612df4120fc05966970d
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SHA512
93266ff84c0533ce771a02dea4c78b67c7a0ff431554788633f63396cfb20373ef0269d96d3d2c7be1c8a373df41b782e36f8bab80fdd56c69af9cde9c5f030c
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SSDEEP
12288:N6XW+BvXvl1sVpC0gu60tuyS6s3tjf/uAt2ewC3RFo/F:Nn+BvPZu6PyS6EdHuAtjw9/F
Malware Config
Extracted
darkcomet
Guest16
192.168.1.2:2221
DC_MUTEX-CRH9ZTG
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InstallPath
MSDCSC\msdcsc.exe
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gencode
FadcphRiUJC6
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Modifies registry class 1 IoCs
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Suspicious use of AdjustPrivilegeToken 48 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9079c18a43d9c576c2f4ed584358db68bbbf3c390fb6612df4120fc05966970d.exe"C:\Users\Admin\AppData\Local\Temp\9079c18a43d9c576c2f4ed584358db68bbbf3c390fb6612df4120fc05966970d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\explore.exe"C:\Users\Admin\AppData\Local\Temp\explore.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\MSDCSC\msdcsc.exe"C:\MSDCSC\msdcsc.exe"3⤵
- 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
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Filesize
658KB
MD56e5125e381195c09c166517a95593a52
SHA16cae8232e8bfaa47ea625da645fb6e734e2bc2d2
SHA256b5f10bb87e1da3b26f8b8252160e7d0a9df523ac6298090742f3b758882cef3a
SHA512163c8997eb2e22656dd48006576afaf3f7fb6b9ce2c884ac05afd813381f76e4e433ed56a4d23533a8f47711db192ffd5874d1e639531622432394218e1a34e4
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Filesize
32KB
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Filesize
9.6MB
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Filesize
4.8MB
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Filesize
9.6MB
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Filesize
624KB
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Filesize
4KB
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Filesize
304KB
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Filesize
664KB
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Filesize
9.6MB
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Filesize
4KB
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Filesize
712KB
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Filesize
712KB
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Filesize
712KB