General

  • Target

    JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412

  • Size

    286KB

  • Sample

    241223-27wnbsvlfk

  • MD5

    92082f3ee0d8768ec943b5d97e35a24d

  • SHA1

    131eab6d807db91b27baff834254fc5c8d6fc184

  • SHA256

    be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412

  • SHA512

    497f0722881b28324ff211808b332ba92717635dc26b7cde8f1c12e01253819cb13219f16517d8161e6d07800bb3345cd505482a201283ea360cc1d73530ae59

  • SSDEEP

    6144:C2ngr+QI7fbVAHpwWM6iujFfov3bMXLoy:C2ngr+QI7fbIwgiuAbe

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412

    • Size

      286KB

    • MD5

      92082f3ee0d8768ec943b5d97e35a24d

    • SHA1

      131eab6d807db91b27baff834254fc5c8d6fc184

    • SHA256

      be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412

    • SHA512

      497f0722881b28324ff211808b332ba92717635dc26b7cde8f1c12e01253819cb13219f16517d8161e6d07800bb3345cd505482a201283ea360cc1d73530ae59

    • SSDEEP

      6144:C2ngr+QI7fbVAHpwWM6iujFfov3bMXLoy:C2ngr+QI7fbIwgiuAbe

    • 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