General

  • Target

    4619f8087a6b93ce3fc91172087e11ea

  • Size

    10.8MB

  • Sample

    240106-nfrneagce4

  • MD5

    4619f8087a6b93ce3fc91172087e11ea

  • SHA1

    dead83e20ad97809af81b8601a6506a8b8728e0c

  • SHA256

    a0c8849a62a00e7d0af6f1c7aa6220f624a48fc91ba21e3cd5aa50125e601c49

  • SHA512

    b70be781639a52d86a039f883d4e602d3f7c624380e3518d76b46c14256901add71ecf91a074329b134a85b633f828e60562e01bd3d8d5108c99d109da8b68e0

  • SSDEEP

    24576:2M76pqj0eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeb:2i66

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      4619f8087a6b93ce3fc91172087e11ea

    • Size

      10.8MB

    • MD5

      4619f8087a6b93ce3fc91172087e11ea

    • SHA1

      dead83e20ad97809af81b8601a6506a8b8728e0c

    • SHA256

      a0c8849a62a00e7d0af6f1c7aa6220f624a48fc91ba21e3cd5aa50125e601c49

    • SHA512

      b70be781639a52d86a039f883d4e602d3f7c624380e3518d76b46c14256901add71ecf91a074329b134a85b633f828e60562e01bd3d8d5108c99d109da8b68e0

    • SSDEEP

      24576:2M76pqj0eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeb:2i66

    • 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