General

  • Target

    c3f74d95eff83e8816bc524fa5241d02

  • Size

    13.0MB

  • Sample

    240312-v9zpfafa3v

  • MD5

    c3f74d95eff83e8816bc524fa5241d02

  • SHA1

    598e7db3c491be0e54f1d5751f38b086aa260063

  • SHA256

    1c0eedabe046ba980b976207bcb574798d4ab18cd04e17ab5fef4badc26b613d

  • SHA512

    134c6af0a7422f7fee1a9729f19db2ac1202da1aa22c54b90414b9b712a640e12dd49353aca2188fb4eb12d80fcc36272d3cc22fb9666e061e70eb49eb37840a

  • SSDEEP

    49152:FmqCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCX:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      c3f74d95eff83e8816bc524fa5241d02

    • Size

      13.0MB

    • MD5

      c3f74d95eff83e8816bc524fa5241d02

    • SHA1

      598e7db3c491be0e54f1d5751f38b086aa260063

    • SHA256

      1c0eedabe046ba980b976207bcb574798d4ab18cd04e17ab5fef4badc26b613d

    • SHA512

      134c6af0a7422f7fee1a9729f19db2ac1202da1aa22c54b90414b9b712a640e12dd49353aca2188fb4eb12d80fcc36272d3cc22fb9666e061e70eb49eb37840a

    • SSDEEP

      49152:FmqCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCX:

    • 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