General

  • Target

    JaffaCakes118_a3bb0d7755666457b022955aa09ee635265af13206520a4b3bbf447cdc61a398

  • Size

    167KB

  • Sample

    241230-hc9f6a1khn

  • MD5

    8febb6205b517d7e07c7158dc6c90674

  • SHA1

    26a9a0f0b9b362e97872a88eb66ff455792d7a21

  • SHA256

    a3bb0d7755666457b022955aa09ee635265af13206520a4b3bbf447cdc61a398

  • SHA512

    110904a7aca8fb540f0b2b5d3af670df874d5123ef965818e497868b3d958ec30d30786c86d0d9353e500b894ae48801819b7f3a7fab8175ff5ff11fb583ac06

  • SSDEEP

    1536:MBOUmWGCZfdtPLMyjDoI3AuVytQxku7y68Nud2cEq1k/2lnUGV25PICecrDBdJgz:lcxjDCmmMMcjUFGV25gYJVS9H6dYs

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a3bb0d7755666457b022955aa09ee635265af13206520a4b3bbf447cdc61a398

    • Size

      167KB

    • MD5

      8febb6205b517d7e07c7158dc6c90674

    • SHA1

      26a9a0f0b9b362e97872a88eb66ff455792d7a21

    • SHA256

      a3bb0d7755666457b022955aa09ee635265af13206520a4b3bbf447cdc61a398

    • SHA512

      110904a7aca8fb540f0b2b5d3af670df874d5123ef965818e497868b3d958ec30d30786c86d0d9353e500b894ae48801819b7f3a7fab8175ff5ff11fb583ac06

    • SSDEEP

      1536:MBOUmWGCZfdtPLMyjDoI3AuVytQxku7y68Nud2cEq1k/2lnUGV25PICecrDBdJgz:lcxjDCmmMMcjUFGV25gYJVS9H6dYs

    • 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