General

  • Target

    2025-03-30_49fd5c071e54639f9f2aa0215218a542_black-basta_luca-stealer

  • Size

    12.0MB

  • Sample

    250330-zt1n1sw1cx

  • MD5

    49fd5c071e54639f9f2aa0215218a542

  • SHA1

    30c64c379a44fef501309c2ee948374cf68863e6

  • SHA256

    c0919826b38eb237c7bd2bd2c99a56131c143186aea9f3809dbbdc1eb222077b

  • SHA512

    3c6c25b1a57cb74fa0ea9fd11c7df699866a23215938d37ff1eff7d5cdb67fe9cccba6d0bcbfd9064acf51702566fbe09f52cead7e0c94d4eb13d45c86aec874

  • SSDEEP

    3072:z5nbTHQC2mC+vdVWQhHPGyCsPiHMhPxO7rFI7NP6BfGrIHmll9uX4YRrVOVOVOVn:NnJjWIvGyCYq/H2Ak5uX

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-03-30_49fd5c071e54639f9f2aa0215218a542_black-basta_luca-stealer

    • Size

      12.0MB

    • MD5

      49fd5c071e54639f9f2aa0215218a542

    • SHA1

      30c64c379a44fef501309c2ee948374cf68863e6

    • SHA256

      c0919826b38eb237c7bd2bd2c99a56131c143186aea9f3809dbbdc1eb222077b

    • SHA512

      3c6c25b1a57cb74fa0ea9fd11c7df699866a23215938d37ff1eff7d5cdb67fe9cccba6d0bcbfd9064acf51702566fbe09f52cead7e0c94d4eb13d45c86aec874

    • SSDEEP

      3072:z5nbTHQC2mC+vdVWQhHPGyCsPiHMhPxO7rFI7NP6BfGrIHmll9uX4YRrVOVOVOVn:NnJjWIvGyCYq/H2Ak5uX

    • 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