General

  • Target

    a696a05e6c1632ede1c088bc58246036_JaffaCakes118

  • Size

    11.6MB

  • Sample

    240818-ng7e9a1fkh

  • MD5

    a696a05e6c1632ede1c088bc58246036

  • SHA1

    7decb949c9d6bb81d5a9fb961111c1ddc9c1d658

  • SHA256

    f6b4b4a24b69fc750012d93068cfe4ac74b720bcb010d4df213b9e953890380d

  • SHA512

    1b21477b67e42bdfe40a8a2b6df83764ba1643f745b58f02c6d417e7e91c117afe9cbbb98c6551ac2508d20080712c101ed7efd54e8bb2ab647d128b35704be8

  • SSDEEP

    3072:nHZQIswULGiBqwZyNvXT/u22H/PaAf209fB7epgDnESzN57I6ZibkFah/NleJm/F:nHZQItUDBJiPT/u22H3s0DhcHU4l

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      a696a05e6c1632ede1c088bc58246036_JaffaCakes118

    • Size

      11.6MB

    • MD5

      a696a05e6c1632ede1c088bc58246036

    • SHA1

      7decb949c9d6bb81d5a9fb961111c1ddc9c1d658

    • SHA256

      f6b4b4a24b69fc750012d93068cfe4ac74b720bcb010d4df213b9e953890380d

    • SHA512

      1b21477b67e42bdfe40a8a2b6df83764ba1643f745b58f02c6d417e7e91c117afe9cbbb98c6551ac2508d20080712c101ed7efd54e8bb2ab647d128b35704be8

    • SSDEEP

      3072:nHZQIswULGiBqwZyNvXT/u22H/PaAf209fB7epgDnESzN57I6ZibkFah/NleJm/F:nHZQItUDBJiPT/u22H3s0DhcHU4l

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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