General

  • Target

    2025-01-13_3b455b31246b8a9a6548681d39c5fb5d_mafia

  • Size

    11.2MB

  • Sample

    250113-xsbbmatpdv

  • MD5

    3b455b31246b8a9a6548681d39c5fb5d

  • SHA1

    822afd920a826ff81013822285e6e82fe81bf076

  • SHA256

    c878285d30d32d75b6ed5a17f5ef3ce3fd264ac4ad367264e32b81dab57ee549

  • SHA512

    83290f9a90590015df1f3e0a3643cc98e02998ea38ba2f3dbfd3c9832bbb19465e7503a98cdaab13c1c866796cc2ef5fe870f8961043825194f391bc20750df3

  • SSDEEP

    6144:nLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:MTYe+D2jFu+iZoUFhAz

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-01-13_3b455b31246b8a9a6548681d39c5fb5d_mafia

    • Size

      11.2MB

    • MD5

      3b455b31246b8a9a6548681d39c5fb5d

    • SHA1

      822afd920a826ff81013822285e6e82fe81bf076

    • SHA256

      c878285d30d32d75b6ed5a17f5ef3ce3fd264ac4ad367264e32b81dab57ee549

    • SHA512

      83290f9a90590015df1f3e0a3643cc98e02998ea38ba2f3dbfd3c9832bbb19465e7503a98cdaab13c1c866796cc2ef5fe870f8961043825194f391bc20750df3

    • SSDEEP

      6144:nLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQw:MTYe+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