General

  • Target

    JaffaCakes118_6cf2fd59eac608a1f22414a2c20a21c5564c7b829375b5cab3944bb9374e8f0b

  • Size

    292KB

  • Sample

    241226-3s4wtsvrak

  • MD5

    67d7083f1734915ca4ef5a14820eed9e

  • SHA1

    cf2436918acea33f6e66731e30dfcb4c21e6d423

  • SHA256

    6cf2fd59eac608a1f22414a2c20a21c5564c7b829375b5cab3944bb9374e8f0b

  • SHA512

    34ec6dcf5fdd43ec0fd3302f61bd34067fb4f343cee245d708fc1739f845bdff4a238a4ba4a8510a23579c72192d6706a0a537bdc41c955b19129ccbe657d252

  • SSDEEP

    6144:V2UaFUQRExHq9JEABei1SXuZet0ySbTHe7d1pMNA:IrExHcyABR1SXuZet0ySbTc1pMy

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_6cf2fd59eac608a1f22414a2c20a21c5564c7b829375b5cab3944bb9374e8f0b

    • Size

      292KB

    • MD5

      67d7083f1734915ca4ef5a14820eed9e

    • SHA1

      cf2436918acea33f6e66731e30dfcb4c21e6d423

    • SHA256

      6cf2fd59eac608a1f22414a2c20a21c5564c7b829375b5cab3944bb9374e8f0b

    • SHA512

      34ec6dcf5fdd43ec0fd3302f61bd34067fb4f343cee245d708fc1739f845bdff4a238a4ba4a8510a23579c72192d6706a0a537bdc41c955b19129ccbe657d252

    • SSDEEP

      6144:V2UaFUQRExHq9JEABei1SXuZet0ySbTHe7d1pMNA:IrExHcyABR1SXuZet0ySbTc1pMy

    • 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