General

  • Target

    JaffaCakes118_7065a2071418085cb5ee25da958c0373

  • Size

    13.6MB

  • Sample

    250107-v7kgqs1mfs

  • MD5

    7065a2071418085cb5ee25da958c0373

  • SHA1

    b1ebe8f969ae2b74c7e4a8f8425b40405aa9fe69

  • SHA256

    caa453134185027742560d6e155b609fda7072e1418dcb815ad3b72e688fd818

  • SHA512

    d2b87b104b020277e1c06cb08323a147b07ba7cc617a9087ac60bd3e0e82f62b6c0dd88876cbde8a11b5a1a83660ddce66daa667c95ccaf0e7f0c63f6082844c

  • SSDEEP

    3072:L0dYxvqagQYPbb1gFlSLMU+++++++++++++++++++++++++++++++++++++++++3:4dYrYP1gjSI

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_7065a2071418085cb5ee25da958c0373

    • Size

      13.6MB

    • MD5

      7065a2071418085cb5ee25da958c0373

    • SHA1

      b1ebe8f969ae2b74c7e4a8f8425b40405aa9fe69

    • SHA256

      caa453134185027742560d6e155b609fda7072e1418dcb815ad3b72e688fd818

    • SHA512

      d2b87b104b020277e1c06cb08323a147b07ba7cc617a9087ac60bd3e0e82f62b6c0dd88876cbde8a11b5a1a83660ddce66daa667c95ccaf0e7f0c63f6082844c

    • SSDEEP

      3072:L0dYxvqagQYPbb1gFlSLMU+++++++++++++++++++++++++++++++++++++++++3:4dYrYP1gjSI

    • Tofsee

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

    • Tofsee family

    • 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