General

  • Target

    fcd93bb91fe05aa7a08803ef9bcf651a_JaffaCakes118

  • Size

    13.1MB

  • Sample

    240420-qkbh4ahe93

  • MD5

    fcd93bb91fe05aa7a08803ef9bcf651a

  • SHA1

    cf910b3f0e207135296eb5d65e9bf1473581e3db

  • SHA256

    ce1ad5adf634559d6611de722ccc16690c0b1be6d6e05aa73a807dbacae6b15d

  • SHA512

    39cff9d762aef61ffa1486a646ef94132eb6888fc843562e8721c67ec9f720aaa2adc581fad48a95a298b0ba9da3ba61f6e3aed698418595af2b48be39909a3d

  • SSDEEP

    98304:TNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll5:xW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fcd93bb91fe05aa7a08803ef9bcf651a_JaffaCakes118

    • Size

      13.1MB

    • MD5

      fcd93bb91fe05aa7a08803ef9bcf651a

    • SHA1

      cf910b3f0e207135296eb5d65e9bf1473581e3db

    • SHA256

      ce1ad5adf634559d6611de722ccc16690c0b1be6d6e05aa73a807dbacae6b15d

    • SHA512

      39cff9d762aef61ffa1486a646ef94132eb6888fc843562e8721c67ec9f720aaa2adc581fad48a95a298b0ba9da3ba61f6e3aed698418595af2b48be39909a3d

    • SSDEEP

      98304:TNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll5:xW

    • Tofsee

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

    • 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