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General

  • Target

    2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia

  • Size

    12.9MB

  • Sample

    250212-1nyg5syrcz

  • MD5

    f55badc54efeb617557e9c7e1e94ebdc

  • SHA1

    5dbce8d054b7d75738b50b2c41efc1a02df90142

  • SHA256

    0d48a3872b6a054023dd23d1d7927f8861c67620422fa3ba0f5e58f006d8b428

  • SHA512

    b00d4363f88222bc0dbd0dc3ab06288486f3c974688b88f1d60604f383574cf1aae6e72bf0e8c3d045fce593dbd1f3647d671f7f5d195f6fcabf24e2b86edbe8

  • SSDEEP

    3072:6LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:jOMdRQr7OB0ypmMXnl8XEPM3noSWOCR

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-02-12_f55badc54efeb617557e9c7e1e94ebdc_mafia

    • Size

      12.9MB

    • MD5

      f55badc54efeb617557e9c7e1e94ebdc

    • SHA1

      5dbce8d054b7d75738b50b2c41efc1a02df90142

    • SHA256

      0d48a3872b6a054023dd23d1d7927f8861c67620422fa3ba0f5e58f006d8b428

    • SHA512

      b00d4363f88222bc0dbd0dc3ab06288486f3c974688b88f1d60604f383574cf1aae6e72bf0e8c3d045fce593dbd1f3647d671f7f5d195f6fcabf24e2b86edbe8

    • SSDEEP

      3072:6LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:jOMdRQr7OB0ypmMXnl8XEPM3noSWOCR

    • 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