General

  • Target

    2025-01-22_402ef750eeb6f0bf1cf8c0afa7d5e870_mafia

  • Size

    13.0MB

  • Sample

    250122-xremna1pfm

  • MD5

    402ef750eeb6f0bf1cf8c0afa7d5e870

  • SHA1

    de5899740d65c56dd7306f309fb31d0b32241cdb

  • SHA256

    8d36e7449053f920033f770121952e5c8843c4d84078ac742d3f2017ae428e9a

  • SHA512

    98acfd5bf20729f554cf295a77c6d041ffd2fe2981c7e1f1c3563b1aa546a38de631dd6611f4d3abf8ecdd60a1d12fc73cab005406301343fcfc52f563359917

  • SSDEEP

    6144:aLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:bTYe+D2jFu+iZoUFhAz

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-01-22_402ef750eeb6f0bf1cf8c0afa7d5e870_mafia

    • Size

      13.0MB

    • MD5

      402ef750eeb6f0bf1cf8c0afa7d5e870

    • SHA1

      de5899740d65c56dd7306f309fb31d0b32241cdb

    • SHA256

      8d36e7449053f920033f770121952e5c8843c4d84078ac742d3f2017ae428e9a

    • SHA512

      98acfd5bf20729f554cf295a77c6d041ffd2fe2981c7e1f1c3563b1aa546a38de631dd6611f4d3abf8ecdd60a1d12fc73cab005406301343fcfc52f563359917

    • SSDEEP

      6144:aLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:bTYe+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