General

  • Target

    05a2ffa77432d48e8dffb43a9e201c28

  • Size

    10.0MB

  • Sample

    231229-2er5fahaa6

  • MD5

    05a2ffa77432d48e8dffb43a9e201c28

  • SHA1

    63cf6faadb2815d4eaaa6fa82f8e561d92dfa487

  • SHA256

    9c04dffcd40004b5474f4827f6eac7537f8a049eee351a6866206943c55e7513

  • SHA512

    c15e73e89f936f0d28b0ed32a0a09cab11f6957d566da281cd903f80db94200e713ea09373bb1204d20396e1679a1ea6adf7a238d9ad925806ee01f0a70706d4

  • SSDEEP

    49152:UQsPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:UQ

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      05a2ffa77432d48e8dffb43a9e201c28

    • Size

      10.0MB

    • MD5

      05a2ffa77432d48e8dffb43a9e201c28

    • SHA1

      63cf6faadb2815d4eaaa6fa82f8e561d92dfa487

    • SHA256

      9c04dffcd40004b5474f4827f6eac7537f8a049eee351a6866206943c55e7513

    • SHA512

      c15e73e89f936f0d28b0ed32a0a09cab11f6957d566da281cd903f80db94200e713ea09373bb1204d20396e1679a1ea6adf7a238d9ad925806ee01f0a70706d4

    • SSDEEP

      49152:UQsPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:UQ

    • Tofsee

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

    • 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