General

  • Target

    2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer

  • Size

    14.5MB

  • Sample

    250330-k5jgjsxnx5

  • MD5

    1220665f1aea031000e46b1aec1a5c44

  • SHA1

    77df7ed1471b3845bb5e74a52a416ad058783f7e

  • SHA256

    e13dbafcfd8506784a4d05380e0d5becbfcbd3b0933009d584c9acfe3e1fece1

  • SHA512

    a5f8b5e5543d925c33d2d37334685e620bf75842740384f9e819d159c3a6d31a3df7e66463b8135bbddd88f00dfce2194145fa74d2e3685cd5625454a97fcccd

  • SSDEEP

    3072:x5nbTHQC2mC+vdVWQhHPGyCsPiHMhPxO7rFI7NP6BfGrIHmll9uX4YRrVOVOVOVh:znJjWIvGyCYq/H2Ak5uXa

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-03-30_1220665f1aea031000e46b1aec1a5c44_black-basta_luca-stealer

    • Size

      14.5MB

    • MD5

      1220665f1aea031000e46b1aec1a5c44

    • SHA1

      77df7ed1471b3845bb5e74a52a416ad058783f7e

    • SHA256

      e13dbafcfd8506784a4d05380e0d5becbfcbd3b0933009d584c9acfe3e1fece1

    • SHA512

      a5f8b5e5543d925c33d2d37334685e620bf75842740384f9e819d159c3a6d31a3df7e66463b8135bbddd88f00dfce2194145fa74d2e3685cd5625454a97fcccd

    • SSDEEP

      3072:x5nbTHQC2mC+vdVWQhHPGyCsPiHMhPxO7rFI7NP6BfGrIHmll9uX4YRrVOVOVOVh:znJjWIvGyCYq/H2Ak5uXa

    • 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