General

  • Target

    JaffaCakes118_5dd36b82638e15936007cf495f55d620

  • Size

    13.0MB

  • Sample

    250107-mkswlayqen

  • MD5

    5dd36b82638e15936007cf495f55d620

  • SHA1

    3ba72b0f6aeee447d6eda839b20bc30c0dd80f33

  • SHA256

    2896824b730913854e31b41bc3a6df606d85792c03d6b435e73ed8022a7887e7

  • SHA512

    038823445ccc70984e921647ce555a3bc9521aefc4aceae5425a5dff96b780079a74055011f3261d45fbfe22159366c88c4309c2f515beba6866bbadb51ba397

  • SSDEEP

    3072:LwGatcHwtl+h5fYdC7azLpUb2Y5G3wtl+h5fYdC7HIQDrwtR:kGUcHwtls5KCu49I3wtls5KCUQDrwt

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_5dd36b82638e15936007cf495f55d620

    • Size

      13.0MB

    • MD5

      5dd36b82638e15936007cf495f55d620

    • SHA1

      3ba72b0f6aeee447d6eda839b20bc30c0dd80f33

    • SHA256

      2896824b730913854e31b41bc3a6df606d85792c03d6b435e73ed8022a7887e7

    • SHA512

      038823445ccc70984e921647ce555a3bc9521aefc4aceae5425a5dff96b780079a74055011f3261d45fbfe22159366c88c4309c2f515beba6866bbadb51ba397

    • SSDEEP

      3072:LwGatcHwtl+h5fYdC7azLpUb2Y5G3wtl+h5fYdC7HIQDrwtR:kGUcHwtls5KCu49I3wtls5KCUQDrwt

    • 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