General

  • Target

    JaffaCakes118_5bca9de0eabcbd74c4f04427a643fa084671b8260b90e7309f41a30c5f145b95

  • Size

    254KB

  • Sample

    241224-2qy25azkbs

  • MD5

    9d849c8ca21b5adea5bcf3f673b74517

  • SHA1

    728ddd3fad37b744a26621e3bcae9f65cc743c9d

  • SHA256

    5bca9de0eabcbd74c4f04427a643fa084671b8260b90e7309f41a30c5f145b95

  • SHA512

    453761d3d8486e1f406db3700f60a469b8b5855b16cc52923bb59f22901a414b305a6cfacfd5abcba802e53376c63f568cbf61f364ff7c4d05ba17184f04e674

  • SSDEEP

    6144:XvcjRGQr7zfreXSM7h0V9beG5k+zbZ0rpPRxN+JxU:XUVPr7zfCXfe9bOQbZspPRPq

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_5bca9de0eabcbd74c4f04427a643fa084671b8260b90e7309f41a30c5f145b95

    • Size

      254KB

    • MD5

      9d849c8ca21b5adea5bcf3f673b74517

    • SHA1

      728ddd3fad37b744a26621e3bcae9f65cc743c9d

    • SHA256

      5bca9de0eabcbd74c4f04427a643fa084671b8260b90e7309f41a30c5f145b95

    • SHA512

      453761d3d8486e1f406db3700f60a469b8b5855b16cc52923bb59f22901a414b305a6cfacfd5abcba802e53376c63f568cbf61f364ff7c4d05ba17184f04e674

    • SSDEEP

      6144:XvcjRGQr7zfreXSM7h0V9beG5k+zbZ0rpPRxN+JxU:XUVPr7zfCXfe9bOQbZspPRPq

    • 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