General

  • Target

    072e24f5e23e9e4f9bb798741f1ccc99

  • Size

    14.7MB

  • Sample

    231225-fxa3zseee9

  • MD5

    072e24f5e23e9e4f9bb798741f1ccc99

  • SHA1

    e636dfd63f3f8d37b73f6848a710ad99f66f8c34

  • SHA256

    0a3af55292603f184d5a1a9e9fdc42ac1741f1f996fbac73a8a2da28d7640324

  • SHA512

    a32bccd0865ad55f59d0763753806e0dddfdd8dc6dfe40997cc23888a72c0c53d070ec0765ad99e46bae6706bb11a32974f25a239ba72524273c325d44223871

  • SSDEEP

    98304:pjhd88888888888888888888888888888888888888888888888888888888888:p

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

    • Target

      072e24f5e23e9e4f9bb798741f1ccc99

    • Size

      14.7MB

    • MD5

      072e24f5e23e9e4f9bb798741f1ccc99

    • SHA1

      e636dfd63f3f8d37b73f6848a710ad99f66f8c34

    • SHA256

      0a3af55292603f184d5a1a9e9fdc42ac1741f1f996fbac73a8a2da28d7640324

    • SHA512

      a32bccd0865ad55f59d0763753806e0dddfdd8dc6dfe40997cc23888a72c0c53d070ec0765ad99e46bae6706bb11a32974f25a239ba72524273c325d44223871

    • SSDEEP

      98304:pjhd88888888888888888888888888888888888888888888888888888888888:p

    • 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