General

  • Target

    2025-04-04_a8433ed2dce68af46d91394a9f3cda7e_black-basta_luca-stealer

  • Size

    12.3MB

  • Sample

    250404-dgklda1lw7

  • MD5

    a8433ed2dce68af46d91394a9f3cda7e

  • SHA1

    7cf1a08230c80f3490b35442b02a19bdbc5ba411

  • SHA256

    750e0e46119245d6c6086debf721e333ecf27061bc22a57b3979bf345f57462c

  • SHA512

    184cb61f981338c70aaee3b50370ce65d050f0a260a30f5af74ee5d108a4afa1ef9467a164f7e9e0b57ca3ccd03ca50ced12ef5c0015cca76bff2ceb9cb2c162

  • SSDEEP

    49152:HiSUBoooooooooooooooooooooooooooooooooooooooooooooooooooooooooon:HbU

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-04-04_a8433ed2dce68af46d91394a9f3cda7e_black-basta_luca-stealer

    • Size

      12.3MB

    • MD5

      a8433ed2dce68af46d91394a9f3cda7e

    • SHA1

      7cf1a08230c80f3490b35442b02a19bdbc5ba411

    • SHA256

      750e0e46119245d6c6086debf721e333ecf27061bc22a57b3979bf345f57462c

    • SHA512

      184cb61f981338c70aaee3b50370ce65d050f0a260a30f5af74ee5d108a4afa1ef9467a164f7e9e0b57ca3ccd03ca50ced12ef5c0015cca76bff2ceb9cb2c162

    • SSDEEP

      49152:HiSUBoooooooooooooooooooooooooooooooooooooooooooooooooooooooooon:HbU

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • 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