General

  • Target

    2025-03-30_e262ec8e9baff3b366098f7f157e2d34_black-basta_luca-stealer_smoke-loader

  • Size

    14.2MB

  • Sample

    250330-k5fqnaxnx4

  • MD5

    e262ec8e9baff3b366098f7f157e2d34

  • SHA1

    4eafb2817a5f837e6cdbf86e9b09d27965f965a1

  • SHA256

    1003769505d0335f9b2a2a45944946d4cb0396cef7c5021328f7deb5ae4ec35c

  • SHA512

    1a9ed6bb9c16666a8063146c9bd750e60b49547df91cdcb40ce265818dc2c50c0f444b3e61e3c8dc6ec8604b1286bba726746793f544d0557796d851ca2ddaa6

  • SSDEEP

    49152:Cf5UwzWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWG:Cf

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-03-30_e262ec8e9baff3b366098f7f157e2d34_black-basta_luca-stealer_smoke-loader

    • Size

      14.2MB

    • MD5

      e262ec8e9baff3b366098f7f157e2d34

    • SHA1

      4eafb2817a5f837e6cdbf86e9b09d27965f965a1

    • SHA256

      1003769505d0335f9b2a2a45944946d4cb0396cef7c5021328f7deb5ae4ec35c

    • SHA512

      1a9ed6bb9c16666a8063146c9bd750e60b49547df91cdcb40ce265818dc2c50c0f444b3e61e3c8dc6ec8604b1286bba726746793f544d0557796d851ca2ddaa6

    • SSDEEP

      49152:Cf5UwzWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWG:Cf

    • 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