General

  • Target

    cfb9acf2a95d4de2a30f5fddf46b0bbc_JaffaCakes118

  • Size

    240KB

  • Sample

    241207-af279a1naj

  • MD5

    cfb9acf2a95d4de2a30f5fddf46b0bbc

  • SHA1

    7bf7ea5d368628e6dbc9f3ac625ae7495fb9f1cc

  • SHA256

    4866418a9a7b1240087f97ee281d4f7dc408f611864e05cf95a6fc03ab3ad91d

  • SHA512

    fbf3d40e0d8ae9491e54a6ad973c895f8f5bff9b1b7f07d70460dc5f1df522bfb1fcf8bbca97cdfb68d94fbddb306347f42889949fe2fc28b4040b2f401dbc0f

  • SSDEEP

    3072:IhTQIPXZIPfCCP7nHY90irjQ5h/prcPI1Ze8jOVqIe5RHZFS4sz:IhMIPJIDL490irk/1cPI1lOJe5R+

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      cfb9acf2a95d4de2a30f5fddf46b0bbc_JaffaCakes118

    • Size

      240KB

    • MD5

      cfb9acf2a95d4de2a30f5fddf46b0bbc

    • SHA1

      7bf7ea5d368628e6dbc9f3ac625ae7495fb9f1cc

    • SHA256

      4866418a9a7b1240087f97ee281d4f7dc408f611864e05cf95a6fc03ab3ad91d

    • SHA512

      fbf3d40e0d8ae9491e54a6ad973c895f8f5bff9b1b7f07d70460dc5f1df522bfb1fcf8bbca97cdfb68d94fbddb306347f42889949fe2fc28b4040b2f401dbc0f

    • SSDEEP

      3072:IhTQIPXZIPfCCP7nHY90irjQ5h/prcPI1Ze8jOVqIe5RHZFS4sz:IhMIPJIDL490irk/1cPI1lOJe5R+

    • 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