General

  • Target

    fc6f91773f25c82a791d065a632ea8d27928b08ea3034eac24b8e62b39d619f3

  • Size

    1.5MB

  • Sample

    221011-xja99saag8

  • MD5

    7589a096aa62e18e4f551f8aac5f30ce

  • SHA1

    eaced6976c02d9f33f4a4d783f16a9290b5a71e5

  • SHA256

    fc6f91773f25c82a791d065a632ea8d27928b08ea3034eac24b8e62b39d619f3

  • SHA512

    0558c6020395a0b376ca834357b26c2079f6eae0ac3270650c7f65078f4eb2fdc97d53962d634e304aa5136a005682a0d9a8cb2c9f19ef2c91310a86af98c30c

  • SSDEEP

    24576:dRmJkcoQricOIQxiZY1iag0a4oAboSB70PwvKNFZTVMrZiD4iVheq86F9/xP:SJZoQrbTFZY1iagIzborkKN73DjV7Z

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

minamobile1.zapto.org:1604

Mutex

DC_MUTEX-FVRPPG1

Attributes
  • InstallPath

    MSDCSC\explorer.exe

  • gencode

    2Ml2U2nN4HCu

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Microsoft Explorer Service

Targets

    • Target

      fc6f91773f25c82a791d065a632ea8d27928b08ea3034eac24b8e62b39d619f3

    • Size

      1.5MB

    • MD5

      7589a096aa62e18e4f551f8aac5f30ce

    • SHA1

      eaced6976c02d9f33f4a4d783f16a9290b5a71e5

    • SHA256

      fc6f91773f25c82a791d065a632ea8d27928b08ea3034eac24b8e62b39d619f3

    • SHA512

      0558c6020395a0b376ca834357b26c2079f6eae0ac3270650c7f65078f4eb2fdc97d53962d634e304aa5136a005682a0d9a8cb2c9f19ef2c91310a86af98c30c

    • SSDEEP

      24576:dRmJkcoQricOIQxiZY1iag0a4oAboSB70PwvKNFZTVMrZiD4iVheq86F9/xP:SJZoQrbTFZY1iagIzborkKN73DjV7Z

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks