General

  • Target

    JaffaCakes118_b44a3920729601ec0f77816cf7a82a59

  • Size

    11.5MB

  • Sample

    250109-agzhraskbk

  • MD5

    b44a3920729601ec0f77816cf7a82a59

  • SHA1

    e72af38f7b6f03d9aae89e5f6be27f3fb48d9b7e

  • SHA256

    402a3777f66fdbaeb66e90ed00599e675cafc44c2c078d58fee1f8fcbecc5d18

  • SHA512

    86de0528f5cef140f79e4098739b3d5aae084878db66d39e83100fbcafbf2b9f681f7c9221dcc06152d7db9e00b69daaf5480bd34b85769d14430d6588539a09

  • SSDEEP

    49152:DkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_b44a3920729601ec0f77816cf7a82a59

    • Size

      11.5MB

    • MD5

      b44a3920729601ec0f77816cf7a82a59

    • SHA1

      e72af38f7b6f03d9aae89e5f6be27f3fb48d9b7e

    • SHA256

      402a3777f66fdbaeb66e90ed00599e675cafc44c2c078d58fee1f8fcbecc5d18

    • SHA512

      86de0528f5cef140f79e4098739b3d5aae084878db66d39e83100fbcafbf2b9f681f7c9221dcc06152d7db9e00b69daaf5480bd34b85769d14430d6588539a09

    • SSDEEP

      49152:DkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

    • 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