General

  • Target

    46ef9327547c02f18b3aacd05b5cf2c1

  • Size

    12.3MB

  • Sample

    231226-ayyyjsgba7

  • MD5

    46ef9327547c02f18b3aacd05b5cf2c1

  • SHA1

    826d12c54a75c5c8166e8ead2407e372ca3992ca

  • SHA256

    edb58c2175190df64d2d3bd6ddd3b59970dc443da2819dfee0805af801100a0f

  • SHA512

    4a5f08d223cbd12e741360bf0bebbf685d9276592dc8baa9be81da8bf932bf2fa23f9fbb15128797abfb765648a01bc837c9e2e6f750254a630657d393473210

  • SSDEEP

    6144:xvk9RADRUv1CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCa:aRAD

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      46ef9327547c02f18b3aacd05b5cf2c1

    • Size

      12.3MB

    • MD5

      46ef9327547c02f18b3aacd05b5cf2c1

    • SHA1

      826d12c54a75c5c8166e8ead2407e372ca3992ca

    • SHA256

      edb58c2175190df64d2d3bd6ddd3b59970dc443da2819dfee0805af801100a0f

    • SHA512

      4a5f08d223cbd12e741360bf0bebbf685d9276592dc8baa9be81da8bf932bf2fa23f9fbb15128797abfb765648a01bc837c9e2e6f750254a630657d393473210

    • SSDEEP

      6144:xvk9RADRUv1CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCa:aRAD

    • 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