General

  • Target

    6f1fc512bd1a9d03b02295cbea4843104046ed8dfd05937458e10af97de43943

  • Size

    335KB

  • Sample

    221123-s7mkzsdc36

  • MD5

    4465d1be156c2d7d7db47f4f7bd52191

  • SHA1

    d84ca56b4feb11d4f1279e2505332e5b1ae5b975

  • SHA256

    6f1fc512bd1a9d03b02295cbea4843104046ed8dfd05937458e10af97de43943

  • SHA512

    7b66bb3f5b975410a9da6aa34708c861cb97d736581c8f1b8807d5dc10f01c7a59c80b3953002d872c46a4cf32f2674b64e2d43917966d0e14e732874295a626

  • SSDEEP

    6144:tBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6ln5A0yGhahSMTL8Qn:ttqwjxRl+t6GfL7zcISMH8Qn

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

aezzeh.no-ip.biz:1604

Mutex

DC_MUTEX-45QK8US

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    swyc7oNH9YE7

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      6f1fc512bd1a9d03b02295cbea4843104046ed8dfd05937458e10af97de43943

    • Size

      335KB

    • MD5

      4465d1be156c2d7d7db47f4f7bd52191

    • SHA1

      d84ca56b4feb11d4f1279e2505332e5b1ae5b975

    • SHA256

      6f1fc512bd1a9d03b02295cbea4843104046ed8dfd05937458e10af97de43943

    • SHA512

      7b66bb3f5b975410a9da6aa34708c861cb97d736581c8f1b8807d5dc10f01c7a59c80b3953002d872c46a4cf32f2674b64e2d43917966d0e14e732874295a626

    • SSDEEP

      6144:tBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6ln5A0yGhahSMTL8Qn:ttqwjxRl+t6GfL7zcISMH8Qn

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks