General

  • Target

    2025-01-27_3b1c42b9fc861bf99b8982db9801462d_mafia

  • Size

    10.7MB

  • Sample

    250127-xeq5xs1mg1

  • MD5

    3b1c42b9fc861bf99b8982db9801462d

  • SHA1

    c5aad6d3a1a04f4dfffa0bf8ab5c64d5161d3797

  • SHA256

    e8407556a5ed4ef7b4dc4a2454b1ba82e9016d96b71e598b8c70981c4860ca76

  • SHA512

    4f55812888670754a2cff405cc9a9d9231a55f5db1825502a5e71066763d08f25ed93aa5dc5467bf8edc9eea41c0f65578eb0793b139d0db58702941bd3724f0

  • SSDEEP

    3072:nLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:+OMdRQr7OB0ypmMXnl8XEPM3noSWOC

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-01-27_3b1c42b9fc861bf99b8982db9801462d_mafia

    • Size

      10.7MB

    • MD5

      3b1c42b9fc861bf99b8982db9801462d

    • SHA1

      c5aad6d3a1a04f4dfffa0bf8ab5c64d5161d3797

    • SHA256

      e8407556a5ed4ef7b4dc4a2454b1ba82e9016d96b71e598b8c70981c4860ca76

    • SHA512

      4f55812888670754a2cff405cc9a9d9231a55f5db1825502a5e71066763d08f25ed93aa5dc5467bf8edc9eea41c0f65578eb0793b139d0db58702941bd3724f0

    • SSDEEP

      3072:nLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:+OMdRQr7OB0ypmMXnl8XEPM3noSWOC

    • 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