General

  • Target

    2025-03-30_1c526771bead2c837c2e2b3245404b92_black-basta_luca-stealer_smoke-loader

  • Size

    10.4MB

  • Sample

    250330-k613zsvxfx

  • MD5

    1c526771bead2c837c2e2b3245404b92

  • SHA1

    0975ea6c1d375b7442c1e3ac8471437e29bb68a7

  • SHA256

    d788c1e407850e1e7cbc1f8778e1d7c185befbecb489e106e4f878f5cdade172

  • SHA512

    e76528ba555fea7a39d93fca6ff17c80576f0c4abb205c4c55b2ff04221e126fa5c0540d5f8af9ce96b6b48158391b2d23249bcee769ff25751ab2b7181fed0c

  • SSDEEP

    12288:Hr7yOp3qzyEw777777777777777777777777777777777777777777777777777k:XyOp3XEL

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-03-30_1c526771bead2c837c2e2b3245404b92_black-basta_luca-stealer_smoke-loader

    • Size

      10.4MB

    • MD5

      1c526771bead2c837c2e2b3245404b92

    • SHA1

      0975ea6c1d375b7442c1e3ac8471437e29bb68a7

    • SHA256

      d788c1e407850e1e7cbc1f8778e1d7c185befbecb489e106e4f878f5cdade172

    • SHA512

      e76528ba555fea7a39d93fca6ff17c80576f0c4abb205c4c55b2ff04221e126fa5c0540d5f8af9ce96b6b48158391b2d23249bcee769ff25751ab2b7181fed0c

    • SSDEEP

      12288:Hr7yOp3qzyEw777777777777777777777777777777777777777777777777777k:XyOp3XEL

    • 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