General

  • Target

    JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f

  • Size

    285KB

  • Sample

    241222-1rzjls1jcn

  • MD5

    6034f6a8acb2a90178de54274fa1544a

  • SHA1

    09328269dfc3b4b2765f1e246505f575693bcb47

  • SHA256

    04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f

  • SHA512

    7ead9d7cbb2358f0bba6f4f1e20da2b3d6199ae73fddf3d9f3a7c1352a4bf4ca268c175e58a7bd1fa938d8b00eef7a492999425cb02219f77e66b0c26e09ea63

  • SSDEEP

    6144:QKFbjnHEkmOZQgxVpuzbgwu6L7ITsqSigaTwVf:DbjkMxVpunnn7s

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f

    • Size

      285KB

    • MD5

      6034f6a8acb2a90178de54274fa1544a

    • SHA1

      09328269dfc3b4b2765f1e246505f575693bcb47

    • SHA256

      04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f

    • SHA512

      7ead9d7cbb2358f0bba6f4f1e20da2b3d6199ae73fddf3d9f3a7c1352a4bf4ca268c175e58a7bd1fa938d8b00eef7a492999425cb02219f77e66b0c26e09ea63

    • SSDEEP

      6144:QKFbjnHEkmOZQgxVpuzbgwu6L7ITsqSigaTwVf:DbjkMxVpunnn7s

    • 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