General

  • Target

    2025-02-07_a3c3550f5d89e66114c04f43882ca686_mafia

  • Size

    13.8MB

  • Sample

    250207-z662kazkdl

  • MD5

    a3c3550f5d89e66114c04f43882ca686

  • SHA1

    549573355f81b7870285291d13361a565fcc84ef

  • SHA256

    48a17405b353c1b95fdc67f6d4861249097d68f696ad22c9c4e37f88f024f221

  • SHA512

    f973f91cc808aa9be0ec5dac306a40b4696d40072007a2d4099519ad13c033c2cd5d536635633ba1a054f5f4fe4dbe439288ba0a42a429213cad3b1137352cd2

  • SSDEEP

    24576:VEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZb:efot

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-07_a3c3550f5d89e66114c04f43882ca686_mafia

    • Size

      13.8MB

    • MD5

      a3c3550f5d89e66114c04f43882ca686

    • SHA1

      549573355f81b7870285291d13361a565fcc84ef

    • SHA256

      48a17405b353c1b95fdc67f6d4861249097d68f696ad22c9c4e37f88f024f221

    • SHA512

      f973f91cc808aa9be0ec5dac306a40b4696d40072007a2d4099519ad13c033c2cd5d536635633ba1a054f5f4fe4dbe439288ba0a42a429213cad3b1137352cd2

    • SSDEEP

      24576:VEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZb:efot

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Downloads MZ/PE file

    • 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