General

  • Target

    JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46

  • Size

    13.5MB

  • Sample

    241231-z9hs5sznaz

  • MD5

    37ce0ec1b25c9f496f74d90e6d548b46

  • SHA1

    1933f0eafa5d0e2f7935d23ae34b33b7a7772c3c

  • SHA256

    43c7f3dcdaa26dd8bbd5da79110c58070386e7a0334fa523765d3122ee92ae31

  • SHA512

    275d3ce3336fe32e291503ae36e8491eb9ddfa0fa5f9e7e6e46188e4b00e68f56ae70670a005fb544920fce3ee6a7771bdf4e9367378295f896ae458754bea6f

  • SSDEEP

    196608:vwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww:

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46

    • Size

      13.5MB

    • MD5

      37ce0ec1b25c9f496f74d90e6d548b46

    • SHA1

      1933f0eafa5d0e2f7935d23ae34b33b7a7772c3c

    • SHA256

      43c7f3dcdaa26dd8bbd5da79110c58070386e7a0334fa523765d3122ee92ae31

    • SHA512

      275d3ce3336fe32e291503ae36e8491eb9ddfa0fa5f9e7e6e46188e4b00e68f56ae70670a005fb544920fce3ee6a7771bdf4e9367378295f896ae458754bea6f

    • SSDEEP

      196608:vwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww:

    • 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