General

  • Target

    158a41c243af70552c607d6a3ba7d760_NeikiAnalytics

  • Size

    659KB

  • Sample

    240512-qsdcnagf5t

  • MD5

    158a41c243af70552c607d6a3ba7d760

  • SHA1

    93b3d62a14ccd41d8dbdb38bb0c0b3252d571b6c

  • SHA256

    7659e7e3f83543e729f9fca28fb0ed392e4e70280fe577a335217b13dc8a89cb

  • SHA512

    c5aecb668db646dc6e8ac0f4e1e7e32e1efa0821fb4ab0b7bbb360ae7f4d0d32e75acab5fa3c1939603258e80e5b6f5094de7cd5b089c3eee247da71c0c66475

  • SSDEEP

    12288:29HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h6:SZ1xuVVjfFoynPaVBUR8f+kN10EBo

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

trolling.serveblog.net:9005

Mutex

DC_MUTEX-9U0JS8T

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    0LNyoRpF3KYA

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      158a41c243af70552c607d6a3ba7d760_NeikiAnalytics

    • Size

      659KB

    • MD5

      158a41c243af70552c607d6a3ba7d760

    • SHA1

      93b3d62a14ccd41d8dbdb38bb0c0b3252d571b6c

    • SHA256

      7659e7e3f83543e729f9fca28fb0ed392e4e70280fe577a335217b13dc8a89cb

    • SHA512

      c5aecb668db646dc6e8ac0f4e1e7e32e1efa0821fb4ab0b7bbb360ae7f4d0d32e75acab5fa3c1939603258e80e5b6f5094de7cd5b089c3eee247da71c0c66475

    • SSDEEP

      12288:29HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h6:SZ1xuVVjfFoynPaVBUR8f+kN10EBo

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks