General

  • Target

    3ff1c7d87a0a6c981923823c4bc4fbb00c9812ea14c7dbd2439864121b9d718a

  • Size

    589KB

  • Sample

    250223-2lpb5ayjv4

  • MD5

    9755c15f9f8af5a6fa8e38b4aaf43958

  • SHA1

    d17b8d4431713bf3aa61753c12dd42ffa7a54f74

  • SHA256

    3ff1c7d87a0a6c981923823c4bc4fbb00c9812ea14c7dbd2439864121b9d718a

  • SHA512

    14e1d0708f8c0d4497a1c192592ff058e79f5126ad3722d1220947b913b98938db594da861ab159091b42b018a85841ac38b87824a1d59b6ae1e8c3c6f87f219

  • SSDEEP

    12288:9ffLtEIQIu7k5sscLsD5iZqHyscNExmj1NT5BzYQR8NxOz8Y5oSQ:9fTOIQIu7k5DzvLxm5Bl8sA

Malware Config

Extracted

Family

darkcomet

Botnet

Botnet

C2

letsgoboom.no-ip.info:1604

Mutex

DC_MUTEX-JCT2X8G

Attributes
  • gencode

    k*q67FD+Sz0#

  • install

    false

  • offline_keylogger

    true

  • password

    runescaped

  • persistence

    false

rc4.plain

Targets

    • Target

      3ff1c7d87a0a6c981923823c4bc4fbb00c9812ea14c7dbd2439864121b9d718a

    • Size

      589KB

    • MD5

      9755c15f9f8af5a6fa8e38b4aaf43958

    • SHA1

      d17b8d4431713bf3aa61753c12dd42ffa7a54f74

    • SHA256

      3ff1c7d87a0a6c981923823c4bc4fbb00c9812ea14c7dbd2439864121b9d718a

    • SHA512

      14e1d0708f8c0d4497a1c192592ff058e79f5126ad3722d1220947b913b98938db594da861ab159091b42b018a85841ac38b87824a1d59b6ae1e8c3c6f87f219

    • SSDEEP

      12288:9ffLtEIQIu7k5sscLsD5iZqHyscNExmj1NT5BzYQR8NxOz8Y5oSQ:9fTOIQIu7k5DzvLxm5Bl8sA

    • 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