General

  • Target

    2025-04-04_3c6b7f9e39a3b566d35f65967f7c76a0_black-basta_luca-stealer

  • Size

    14.5MB

  • Sample

    250404-enav7ay1hy

  • MD5

    3c6b7f9e39a3b566d35f65967f7c76a0

  • SHA1

    afc942d25e9e50b659c09acb2e44791b1b7a326c

  • SHA256

    1f599c7159a4c57afcc1e115852376aea64faf946cda5bd7580dd0e54517286b

  • SHA512

    5ea654503fd93cc90454fadf8334bd6bd5efbc0b98135e533472df678059becde64ac2c6327d16a61f358615d9a8e4188bec8debb83b9f6fdc2898dacd34fabe

  • SSDEEP

    49152:t/LuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuO:t

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2025-04-04_3c6b7f9e39a3b566d35f65967f7c76a0_black-basta_luca-stealer

    • Size

      14.5MB

    • MD5

      3c6b7f9e39a3b566d35f65967f7c76a0

    • SHA1

      afc942d25e9e50b659c09acb2e44791b1b7a326c

    • SHA256

      1f599c7159a4c57afcc1e115852376aea64faf946cda5bd7580dd0e54517286b

    • SHA512

      5ea654503fd93cc90454fadf8334bd6bd5efbc0b98135e533472df678059becde64ac2c6327d16a61f358615d9a8e4188bec8debb83b9f6fdc2898dacd34fabe

    • SSDEEP

      49152:t/LuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuO:t

    • 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