General

  • Target

    327537f55eceaab5b0e0f730f36c1c0b435ac46606a6872dc20c6ea5cde079b8.exe

  • Size

    3.8MB

  • Sample

    250217-jge9jsvrdr

  • MD5

    38959c4ad7220cbf677b327e6e825925

  • SHA1

    088943e624dc2a6ddbc73501afb192af5375c228

  • SHA256

    327537f55eceaab5b0e0f730f36c1c0b435ac46606a6872dc20c6ea5cde079b8

  • SHA512

    dd4e19594e2b217e15d0cbbc4b01cc14049abe325ac474f275a44d26448386dad006936857c20960280c8c70134fedd47bd12edaacaf1c4adb31d1a783a54459

  • SSDEEP

    98304:vJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwX6:vJwakG4fYrq1HJvpliCQHawbzBbGSlao

Malware Config

Extracted

Family

darkcomet

Botnet

Toak

C2

ygo.no-ip.info:1604

Mutex

DC_MUTEX-ATZCWGJ

Attributes
  • gencode

    .f6X%*nCQSMV

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Targets

    • Target

      327537f55eceaab5b0e0f730f36c1c0b435ac46606a6872dc20c6ea5cde079b8.exe

    • Size

      3.8MB

    • MD5

      38959c4ad7220cbf677b327e6e825925

    • SHA1

      088943e624dc2a6ddbc73501afb192af5375c228

    • SHA256

      327537f55eceaab5b0e0f730f36c1c0b435ac46606a6872dc20c6ea5cde079b8

    • SHA512

      dd4e19594e2b217e15d0cbbc4b01cc14049abe325ac474f275a44d26448386dad006936857c20960280c8c70134fedd47bd12edaacaf1c4adb31d1a783a54459

    • SSDEEP

      98304:vJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwX6:vJwakG4fYrq1HJvpliCQHawbzBbGSlao

    • Darkcomet

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

    • Darkcomet family

    • Downloads MZ/PE file

    • 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