General

  • Target

    JaffaCakes118_237fc7e2d37a8a0ab7ae29d82e9a7abf

  • Size

    272KB

  • Sample

    250226-cwxc2ssly2

  • MD5

    237fc7e2d37a8a0ab7ae29d82e9a7abf

  • SHA1

    89ec17eda819190be424c88834cd58cffbecbfd7

  • SHA256

    0644db6c71d1fed4dbeff9bd2fd0bfbc00ec3e2e74c98d52719f04585e1f9701

  • SHA512

    c1c543c3def785115acae606dda77455fb88cdb6c3614f54e4a84da3217e33cc55f3ffbf8457205462bedefb3fb06dad8a66c07c5a68743fa9d1c7779f79b4cb

  • SSDEEP

    6144:7rUm20bzmwiPsc2DUr7sDDBfdUGhdqdrPwsZbb8RuUrY0NZGne:7rUSePEDU8vUedqdrPwObbiuWDZGn

Malware Config

Extracted

Family

darkcomet

Botnet

seo

C2

hosthttp.servehttp.com:8081

Mutex

DC_MUTEX-4SA6SQC

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    G3lEbDgJCT78

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_237fc7e2d37a8a0ab7ae29d82e9a7abf

    • Size

      272KB

    • MD5

      237fc7e2d37a8a0ab7ae29d82e9a7abf

    • SHA1

      89ec17eda819190be424c88834cd58cffbecbfd7

    • SHA256

      0644db6c71d1fed4dbeff9bd2fd0bfbc00ec3e2e74c98d52719f04585e1f9701

    • SHA512

      c1c543c3def785115acae606dda77455fb88cdb6c3614f54e4a84da3217e33cc55f3ffbf8457205462bedefb3fb06dad8a66c07c5a68743fa9d1c7779f79b4cb

    • SSDEEP

      6144:7rUm20bzmwiPsc2DUr7sDDBfdUGhdqdrPwsZbb8RuUrY0NZGne:7rUSePEDU8vUedqdrPwObbiuWDZGn

    • 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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks