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General

  • Target

    106162a9e72052611f27b255db7a5d53

  • Size

    10.7MB

  • Sample

    231225-jsfdpagfc5

  • MD5

    106162a9e72052611f27b255db7a5d53

  • SHA1

    b2c8f9a1c6cd769bdad4d45b3e340b28e0bb2092

  • SHA256

    0bd0d596230aa3958d9f54bd43d3de94685dd9f7ed3e8bd0b5c1a01d48d7e34e

  • SHA512

    0b5966e406ba6c3d861e5b982a539a51c836a8fb08fd1c9295f17c108d29ae72ad687689eadb9fe3540924afab949598dd6f2108f7498d79edffa2a93a7b9ec9

  • SSDEEP

    49152:3nHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:3

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      106162a9e72052611f27b255db7a5d53

    • Size

      10.7MB

    • MD5

      106162a9e72052611f27b255db7a5d53

    • SHA1

      b2c8f9a1c6cd769bdad4d45b3e340b28e0bb2092

    • SHA256

      0bd0d596230aa3958d9f54bd43d3de94685dd9f7ed3e8bd0b5c1a01d48d7e34e

    • SHA512

      0b5966e406ba6c3d861e5b982a539a51c836a8fb08fd1c9295f17c108d29ae72ad687689eadb9fe3540924afab949598dd6f2108f7498d79edffa2a93a7b9ec9

    • SSDEEP

      49152:3nHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:3

    • 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