General

  • Target

    JaffaCakes118_acc65b903f1813a624aec1b51366375e0996d32dfd200074e1f87c175f5ff507

  • Size

    316KB

  • Sample

    241225-y6b1rawmcz

  • MD5

    fb84a1e83259f25496b4a5eae9ffca35

  • SHA1

    3eeb9d179e6c6a5d9c3b98a894d4afd1111a93a2

  • SHA256

    acc65b903f1813a624aec1b51366375e0996d32dfd200074e1f87c175f5ff507

  • SHA512

    79af94756301cc4d0067f05cfc64dc19abe84b5f76057edcf210a85dfb4ee23533e243eb34ed9ae9c3353855c44b92a6fe2e0e53a4f149cf9b4a5adcc5b4dac3

  • SSDEEP

    6144:rjho0K+fMn1AFSK2/7u0reiZ0cGBjDTrV+Mlyv:fhIn1AV2/7u0reiZ0cGBjZ+M

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_acc65b903f1813a624aec1b51366375e0996d32dfd200074e1f87c175f5ff507

    • Size

      316KB

    • MD5

      fb84a1e83259f25496b4a5eae9ffca35

    • SHA1

      3eeb9d179e6c6a5d9c3b98a894d4afd1111a93a2

    • SHA256

      acc65b903f1813a624aec1b51366375e0996d32dfd200074e1f87c175f5ff507

    • SHA512

      79af94756301cc4d0067f05cfc64dc19abe84b5f76057edcf210a85dfb4ee23533e243eb34ed9ae9c3353855c44b92a6fe2e0e53a4f149cf9b4a5adcc5b4dac3

    • SSDEEP

      6144:rjho0K+fMn1AFSK2/7u0reiZ0cGBjDTrV+Mlyv:fhIn1AV2/7u0reiZ0cGBjZ+M

    • 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