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General

  • Target

    2025-02-12_1bbf5e1e29e90ba98f8f2cc1d0b5b853_mafia

  • Size

    12.8MB

  • Sample

    250212-y939eaxncm

  • MD5

    1bbf5e1e29e90ba98f8f2cc1d0b5b853

  • SHA1

    577a625fcf21069ba307e4ba007caa73e724ad77

  • SHA256

    99dae552798758e25e06f45fae3c525e50c77bedd0e67f07d9adbd2dc8d665bd

  • SHA512

    cbab20e4a4550d6f4faa9d9ee989501ebf2d74c1f949f167e1780e0e0c4cf0eca0337fe96963e71c2b3611456c03f852cd1f6d563cf3586e12505696f63d6bd3

  • SSDEEP

    24576:4EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ+:1fots

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-12_1bbf5e1e29e90ba98f8f2cc1d0b5b853_mafia

    • Size

      12.8MB

    • MD5

      1bbf5e1e29e90ba98f8f2cc1d0b5b853

    • SHA1

      577a625fcf21069ba307e4ba007caa73e724ad77

    • SHA256

      99dae552798758e25e06f45fae3c525e50c77bedd0e67f07d9adbd2dc8d665bd

    • SHA512

      cbab20e4a4550d6f4faa9d9ee989501ebf2d74c1f949f167e1780e0e0c4cf0eca0337fe96963e71c2b3611456c03f852cd1f6d563cf3586e12505696f63d6bd3

    • SSDEEP

      24576:4EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ+:1fots

    • 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