General

  • Target

    JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066

  • Size

    1.3MB

  • Sample

    250329-xc1lkswjz6

  • MD5

    927a4dcb9526b2e79dc6d11e67eef066

  • SHA1

    3803682042ee1d5521aae4dbf6d972c21fc75a7e

  • SHA256

    2daceb62312f99c4dd461400d8edf9d60df08a960744804c57db80f80a1af73a

  • SHA512

    18256255b8e2f1d6a0ee969a05ef7ab16f8ed58de156a8b93bdef9fd856e19d4052638ee890128af785936b1acf573f7eb389eac50c64267d61ceb5e7724c32d

  • SSDEEP

    24576:YUKoN0bUxgGa/pfBHDb+y1HgZ8lVlNMeeaPqmZC/CTLqI6i:LK1A6C7eXXw/CP4i

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

lastdede.zapto.org:81

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    v-.=-u.dMS00

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_927a4dcb9526b2e79dc6d11e67eef066

    • Size

      1.3MB

    • MD5

      927a4dcb9526b2e79dc6d11e67eef066

    • SHA1

      3803682042ee1d5521aae4dbf6d972c21fc75a7e

    • SHA256

      2daceb62312f99c4dd461400d8edf9d60df08a960744804c57db80f80a1af73a

    • SHA512

      18256255b8e2f1d6a0ee969a05ef7ab16f8ed58de156a8b93bdef9fd856e19d4052638ee890128af785936b1acf573f7eb389eac50c64267d61ceb5e7724c32d

    • SSDEEP

      24576:YUKoN0bUxgGa/pfBHDb+y1HgZ8lVlNMeeaPqmZC/CTLqI6i:LK1A6C7eXXw/CP4i

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

MITRE ATT&CK Enterprise v15

Tasks