General

  • Target

    2025-01-31_e8749f4125656b64d35444950d07b83e_mafia

  • Size

    10.2MB

  • Sample

    250131-1ahjrsxmes

  • MD5

    e8749f4125656b64d35444950d07b83e

  • SHA1

    b6b4996217f862d3945cf72c036884dc3cd77d39

  • SHA256

    67354b31b1847a125b832183dd256f7b66ad4879a328bdccdc920d0fba5b8839

  • SHA512

    5af6ad357b0e46811822aff5690418b71ff8cecc00da9e63f872396a4754099f809f23cf412cea04ba305a87bc1484baf45b3d557326d94b663d85177cc38c6a

  • SSDEEP

    24576:BpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttX:boo

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-01-31_e8749f4125656b64d35444950d07b83e_mafia

    • Size

      10.2MB

    • MD5

      e8749f4125656b64d35444950d07b83e

    • SHA1

      b6b4996217f862d3945cf72c036884dc3cd77d39

    • SHA256

      67354b31b1847a125b832183dd256f7b66ad4879a328bdccdc920d0fba5b8839

    • SHA512

      5af6ad357b0e46811822aff5690418b71ff8cecc00da9e63f872396a4754099f809f23cf412cea04ba305a87bc1484baf45b3d557326d94b663d85177cc38c6a

    • SSDEEP

      24576:BpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttX:boo

    • 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