General

  • Target

    24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118

  • Size

    756KB

  • Sample

    241008-ysxqasvdjb

  • MD5

    24b43f22c10554fb53c649e0dd8b1fd9

  • SHA1

    1e0412a9ce9f4b08cda04c14a278839dfdfeb693

  • SHA256

    b61b142137ce43d4061ff841f090158a742d31bfcafb2dffa40eae56fd991926

  • SHA512

    0c0db7bfb2074a5544033d03904bbfc2347c31cb0de6743aa281b7b946df804852640ba55bc374dc4f284b59eeec83f99a37765d79ce3eb25fdb023b8865ce47

  • SSDEEP

    12288:whuRH8dwXnls/WsbPPUzbDzfE6U7TKKuSBsBPj2urayrHt+VXVonKgjkw:whuF82Xls/WiH4D7gqTSB8C14+XU

Malware Config

Targets

    • Target

      24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118

    • Size

      756KB

    • MD5

      24b43f22c10554fb53c649e0dd8b1fd9

    • SHA1

      1e0412a9ce9f4b08cda04c14a278839dfdfeb693

    • SHA256

      b61b142137ce43d4061ff841f090158a742d31bfcafb2dffa40eae56fd991926

    • SHA512

      0c0db7bfb2074a5544033d03904bbfc2347c31cb0de6743aa281b7b946df804852640ba55bc374dc4f284b59eeec83f99a37765d79ce3eb25fdb023b8865ce47

    • SSDEEP

      12288:whuRH8dwXnls/WsbPPUzbDzfE6U7TKKuSBsBPj2urayrHt+VXVonKgjkw:whuF82Xls/WiH4D7gqTSB8C14+XU

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks