General

  • Target

    JaffaCakes118_36da92091674ea2f46532a6cc29c86e5

  • Size

    11.0MB

  • Sample

    250106-ye2r4awjdt

  • MD5

    36da92091674ea2f46532a6cc29c86e5

  • SHA1

    db5804956ba8e333b975c1294bf953a9a0c692a4

  • SHA256

    8acfd8a5a4901ca5bf938fe131c5088aff69f00b9b2e2daeefdec896a9c95763

  • SHA512

    c5e00c3a48844a73e49201a52973cfb98e11d45aee4132225872519e2842e4b6bf3b662a7fad2b89adc1c784405a88e9986a8578764f85b3399e2ab699a2a6bc

  • SSDEEP

    3072:qrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:sNWktyH9V

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_36da92091674ea2f46532a6cc29c86e5

    • Size

      11.0MB

    • MD5

      36da92091674ea2f46532a6cc29c86e5

    • SHA1

      db5804956ba8e333b975c1294bf953a9a0c692a4

    • SHA256

      8acfd8a5a4901ca5bf938fe131c5088aff69f00b9b2e2daeefdec896a9c95763

    • SHA512

      c5e00c3a48844a73e49201a52973cfb98e11d45aee4132225872519e2842e4b6bf3b662a7fad2b89adc1c784405a88e9986a8578764f85b3399e2ab699a2a6bc

    • SSDEEP

      3072:qrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:sNWktyH9V

    • 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