General

  • Target

    JaffaCakes118_00a4804e5ff628d91bacaccbfa41beeb

  • Size

    855KB

  • Sample

    250218-tftqnasrby

  • MD5

    00a4804e5ff628d91bacaccbfa41beeb

  • SHA1

    e1014862ba1d2d4a2e1da1452fa7adcf3a3b9de3

  • SHA256

    0c22f65c096a3ebca29d800e2e30c1291229bd1db3b2cfbe9303ab7def9e9111

  • SHA512

    8e5c0844feaeb8f9d1d1b6a8b21be8778a16984e0a1dc717dfe193f5aa6c5e9a99d39313a3ec16af71b45ede2bb82546de0cf28a331985c01157c1e676aa6f16

  • SSDEEP

    12288:tca+CQY9l6sJLKCBRJ8EsYZHHxVb3vM3ZTAmApSFghd30TQLzMkxYZ/h:u1CQKljLKyRpHH7v4ZT5gj3l0mc

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

nydarion2.zapto.org:2525

Mutex

DC_MUTEX-HRS8C6U

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    1o-r##XwizVR

  • install

    true

  • offline_keylogger

    false

  • password

    boni

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_00a4804e5ff628d91bacaccbfa41beeb

    • Size

      855KB

    • MD5

      00a4804e5ff628d91bacaccbfa41beeb

    • SHA1

      e1014862ba1d2d4a2e1da1452fa7adcf3a3b9de3

    • SHA256

      0c22f65c096a3ebca29d800e2e30c1291229bd1db3b2cfbe9303ab7def9e9111

    • SHA512

      8e5c0844feaeb8f9d1d1b6a8b21be8778a16984e0a1dc717dfe193f5aa6c5e9a99d39313a3ec16af71b45ede2bb82546de0cf28a331985c01157c1e676aa6f16

    • SSDEEP

      12288:tca+CQY9l6sJLKCBRJ8EsYZHHxVb3vM3ZTAmApSFghd30TQLzMkxYZ/h:u1CQKljLKyRpHH7v4ZT5gj3l0mc

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks