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General

  • Target

    2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia

  • Size

    12.5MB

  • Sample

    250203-dl92tsxqfx

  • MD5

    f4e76a3fa0d0bb36820e6a52941850c4

  • SHA1

    e11791cbb12933f5581084f9c770fe457c1e866f

  • SHA256

    26fa74148d0fa19e70e4b5d7bc7e49f1807e90314372dec26e280c0be5b10186

  • SHA512

    c4591495b387bb8a344e9abe7d7a6c81c0efae54b6bf4e510c7ccc7829c96af61116b39ffa804c3011af9a9345d08ca3e8c0b53a243335e4d355077f61db5934

  • SSDEEP

    24576:dpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttZ:3ooT

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-03_f4e76a3fa0d0bb36820e6a52941850c4_mafia

    • Size

      12.5MB

    • MD5

      f4e76a3fa0d0bb36820e6a52941850c4

    • SHA1

      e11791cbb12933f5581084f9c770fe457c1e866f

    • SHA256

      26fa74148d0fa19e70e4b5d7bc7e49f1807e90314372dec26e280c0be5b10186

    • SHA512

      c4591495b387bb8a344e9abe7d7a6c81c0efae54b6bf4e510c7ccc7829c96af61116b39ffa804c3011af9a9345d08ca3e8c0b53a243335e4d355077f61db5934

    • SSDEEP

      24576:dpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttZ:3ooT

    • 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