General

  • Target

    JaffaCakes118_3c25bc661050f4351c5d5c213a8811c3f09471cf27eeb90014a84ec332b3fce9

  • Size

    237KB

  • Sample

    241230-cs9tzavkgs

  • MD5

    42b410532b41241c0ea3bab2a448ba26

  • SHA1

    2b7258ab8a0decda5cbf7d92d7506089df88c739

  • SHA256

    3c25bc661050f4351c5d5c213a8811c3f09471cf27eeb90014a84ec332b3fce9

  • SHA512

    a211e69bc11dfff8e9f226eeba322c6719e76533adfc3274902b7d14cf3589b7b2074c697fecabb66e803a2d7b2f2d88a5f5e49c1d857abbacec888afe3f4231

  • SSDEEP

    3072:i7Ms8zFqBRFmDU/YxGdypOiOCW7Qse0XkMT39UYpWrxpzbgqru2sxkgaBChApZaf:V1JqBRFmDU/cNEzHpuzbgwujigaLwVf

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_3c25bc661050f4351c5d5c213a8811c3f09471cf27eeb90014a84ec332b3fce9

    • Size

      237KB

    • MD5

      42b410532b41241c0ea3bab2a448ba26

    • SHA1

      2b7258ab8a0decda5cbf7d92d7506089df88c739

    • SHA256

      3c25bc661050f4351c5d5c213a8811c3f09471cf27eeb90014a84ec332b3fce9

    • SHA512

      a211e69bc11dfff8e9f226eeba322c6719e76533adfc3274902b7d14cf3589b7b2074c697fecabb66e803a2d7b2f2d88a5f5e49c1d857abbacec888afe3f4231

    • SSDEEP

      3072:i7Ms8zFqBRFmDU/YxGdypOiOCW7Qse0XkMT39UYpWrxpzbgqru2sxkgaBChApZaf:V1JqBRFmDU/cNEzHpuzbgwujigaLwVf

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks