General

  • Target

    JaffaCakes118_30c9addd17a7514f68f16f841156aed2

  • Size

    712KB

  • Sample

    250228-b1vvcaxn18

  • MD5

    30c9addd17a7514f68f16f841156aed2

  • SHA1

    ac93026a45b6cc341a5849058151894f524d37d9

  • SHA256

    1088a3f97b111ef802df47593fa71f0737c2b908568b6e6c34b31ca0d923dd20

  • SHA512

    f2ea108d5e973c25f49c7e0b5fc9aba08c4cfece24083a9e5ff92b4c4aa86a8dc9cde016dacc40f3552052decb758e9aa7e9d3880da918426a977b9ef7013765

  • SSDEEP

    12288:wfDh89H6hn3VbjpKJ/6GvmlnSSA793h/v6x4Rfc4obOY9x3qnJ00jaAuKQPqhW1l:C8V23ZmauhXkjRbOIW5QHgCo8ZlYg

Malware Config

Extracted

Family

darkcomet

Botnet

NetLoad

C2

server006.zapto.org:6697

server005.servequake.com:1604

Mutex

DC_MUTEX-FKYUT4D

Attributes
  • InstallPath

    Windupdt\winupdt.exe

  • gencode

    nUJZeX0qJFAy

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_30c9addd17a7514f68f16f841156aed2

    • Size

      712KB

    • MD5

      30c9addd17a7514f68f16f841156aed2

    • SHA1

      ac93026a45b6cc341a5849058151894f524d37d9

    • SHA256

      1088a3f97b111ef802df47593fa71f0737c2b908568b6e6c34b31ca0d923dd20

    • SHA512

      f2ea108d5e973c25f49c7e0b5fc9aba08c4cfece24083a9e5ff92b4c4aa86a8dc9cde016dacc40f3552052decb758e9aa7e9d3880da918426a977b9ef7013765

    • SSDEEP

      12288:wfDh89H6hn3VbjpKJ/6GvmlnSSA793h/v6x4Rfc4obOY9x3qnJ00jaAuKQPqhW1l:C8V23ZmauhXkjRbOIW5QHgCo8ZlYg

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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