General

  • Target

    8795a5b03ecbfefd9c2e72479025c3dde14313b04985ade80bf2eb21fff12366

  • Size

    1.2MB

  • Sample

    240802-31y1jszgnh

  • MD5

    3dc8ca829ea4639a0d78f05ae481eec0

  • SHA1

    02bf8b9d26be7be2727bf980b5eb1e5e1c29bd0d

  • SHA256

    8795a5b03ecbfefd9c2e72479025c3dde14313b04985ade80bf2eb21fff12366

  • SHA512

    5162ee7aaaeabaf66280621bb239f47d3f8e66bc5fa9fee06083c60b9a7f5c27aa66b08dedca083e0e913ca8a9145e951c495fa327c31f822977243b46de8732

  • SSDEEP

    24576:KSY88f02Q1HCEWN2ZIOlWZelqxKR8MdjGUZWXABvz5nhj6Mcg8:z88FCEHwxKliUZvBvphtP

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dcdofus.no-ip.org:1604

Mutex

DC_MUTEX-1U9K2TB

Attributes
  • InstallPath

    MSDCSC\WindowsUpdate.exe

  • gencode

    TpN7E6aa2nhN

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    WindowsUpdate

Targets

    • Target

      8795a5b03ecbfefd9c2e72479025c3dde14313b04985ade80bf2eb21fff12366

    • Size

      1.2MB

    • MD5

      3dc8ca829ea4639a0d78f05ae481eec0

    • SHA1

      02bf8b9d26be7be2727bf980b5eb1e5e1c29bd0d

    • SHA256

      8795a5b03ecbfefd9c2e72479025c3dde14313b04985ade80bf2eb21fff12366

    • SHA512

      5162ee7aaaeabaf66280621bb239f47d3f8e66bc5fa9fee06083c60b9a7f5c27aa66b08dedca083e0e913ca8a9145e951c495fa327c31f822977243b46de8732

    • SSDEEP

      24576:KSY88f02Q1HCEWN2ZIOlWZelqxKR8MdjGUZWXABvz5nhj6Mcg8:z88FCEHwxKliUZvBvphtP

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks