General

  • Target

    f415979502c9fe1c601453e67730aa49dc0be75d32139141302ac8cb9ec94841

  • Size

    576KB

  • Sample

    250326-rnvxksylx6

  • MD5

    a0b365180c978d2433188fc14a39c991

  • SHA1

    a650ba6d0589a10f77994be1e4860ffc2090ae91

  • SHA256

    f415979502c9fe1c601453e67730aa49dc0be75d32139141302ac8cb9ec94841

  • SHA512

    a4a0f2e780e3043f651fb5f49c4894b83d9067ead53d642436b40e47c91bd2ff4db3fa65434db117ac8f6ed2df8dfc5ccac3699787ac0085b7a5f09ec38cc53e

  • SSDEEP

    12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoSg:+NWPkHlUfBgpuPdWzyuDTifgyWl/

Malware Config

Extracted

Family

darkcomet

Botnet

ToaksBitch

C2

letsgoboom.no-ip.info:1604

Mutex

DC_MUTEX-ADL2HN0

Attributes
  • gencode

    vwp1Z9lmZ3Pj

  • install

    false

  • offline_keylogger

    true

  • password

    runescaped

  • persistence

    false

rc4.plain

Targets

    • Target

      f415979502c9fe1c601453e67730aa49dc0be75d32139141302ac8cb9ec94841

    • Size

      576KB

    • MD5

      a0b365180c978d2433188fc14a39c991

    • SHA1

      a650ba6d0589a10f77994be1e4860ffc2090ae91

    • SHA256

      f415979502c9fe1c601453e67730aa49dc0be75d32139141302ac8cb9ec94841

    • SHA512

      a4a0f2e780e3043f651fb5f49c4894b83d9067ead53d642436b40e47c91bd2ff4db3fa65434db117ac8f6ed2df8dfc5ccac3699787ac0085b7a5f09ec38cc53e

    • SSDEEP

      12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoSg:+NWPkHlUfBgpuPdWzyuDTifgyWl/

    • Darkcomet

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

    • Darkcomet family

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks