General

  • Target

    2025-01-31_99a86586ce92357554b176ac1613f8d9_mafia

  • Size

    13.6MB

  • Sample

    250131-e3gx2szreq

  • MD5

    99a86586ce92357554b176ac1613f8d9

  • SHA1

    dd45e53e86738f93dd81633d64a47ec513258faf

  • SHA256

    b7926cf92364746b29b6baac37d1c473e3f7166c6c126f0a6dd7fd16e267c0ee

  • SHA512

    cdd656f75e80f41fd4e5075d30a13b92e71786cb2e89065802f2cf37db0c3ac9ce0e9ca2b3ea0d3dbbb783c2821169276d5dfe1f0c2d7880efb90e4c5d86a6f7

  • SSDEEP

    6144:YLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQY:NTYe+D2jFu+iZoUFhAz

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-01-31_99a86586ce92357554b176ac1613f8d9_mafia

    • Size

      13.6MB

    • MD5

      99a86586ce92357554b176ac1613f8d9

    • SHA1

      dd45e53e86738f93dd81633d64a47ec513258faf

    • SHA256

      b7926cf92364746b29b6baac37d1c473e3f7166c6c126f0a6dd7fd16e267c0ee

    • SHA512

      cdd656f75e80f41fd4e5075d30a13b92e71786cb2e89065802f2cf37db0c3ac9ce0e9ca2b3ea0d3dbbb783c2821169276d5dfe1f0c2d7880efb90e4c5d86a6f7

    • SSDEEP

      6144:YLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQY:NTYe+D2jFu+iZoUFhAz

    • 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