General

  • Target

    4718067e3e7b2de52dcdb60475f4f800

  • Size

    12.5MB

  • Sample

    240106-y3r8kaehbn

  • MD5

    4718067e3e7b2de52dcdb60475f4f800

  • SHA1

    e8dc7059536917d1e9bd7d0aff721f945785db1d

  • SHA256

    b2b52413eb8374756d3fff43e2f16d6229dc1327edd1f5fb225bd3c0fecad4f8

  • SHA512

    3f5866d8bf4ea81143be22e032643677d01d7fa8e2cc77d5a5c68c03c2c8697b8241ebe6c60f96bc7b36651d26073f568a9204158523ab48962c1e337eb55561

  • SSDEEP

    49152:CWqmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm7:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      4718067e3e7b2de52dcdb60475f4f800

    • Size

      12.5MB

    • MD5

      4718067e3e7b2de52dcdb60475f4f800

    • SHA1

      e8dc7059536917d1e9bd7d0aff721f945785db1d

    • SHA256

      b2b52413eb8374756d3fff43e2f16d6229dc1327edd1f5fb225bd3c0fecad4f8

    • SHA512

      3f5866d8bf4ea81143be22e032643677d01d7fa8e2cc77d5a5c68c03c2c8697b8241ebe6c60f96bc7b36651d26073f568a9204158523ab48962c1e337eb55561

    • SSDEEP

      49152:CWqmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm7:

    • 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