General

  • Target

    JaffaCakes118_e3692685f9a728e0daeea23f159484fd1009bf615126d51a29440dcf53ab0d42

  • Size

    184KB

  • Sample

    241225-qyhjkatra1

  • MD5

    31fc0122636001e76cca65cd85d28a7f

  • SHA1

    9e42a8fb0214134f7312068cbfa4a1f663b629c2

  • SHA256

    e3692685f9a728e0daeea23f159484fd1009bf615126d51a29440dcf53ab0d42

  • SHA512

    5e0527691f54fc26e683fcf692d637678bc57aece088502ce24d2f3430eb908c50f36c99f8f423eaadbbd574ee1a4b6e7e157ebe346160adba6c2237094e9314

  • SSDEEP

    3072:nkmEokfyW/Sshyd6OCbefqGKIti4KrTWssUPZPwTns9MUjYAYeL9hgC:n8okaW/SshhQijKiZrT3jPCUjmev

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_e3692685f9a728e0daeea23f159484fd1009bf615126d51a29440dcf53ab0d42

    • Size

      184KB

    • MD5

      31fc0122636001e76cca65cd85d28a7f

    • SHA1

      9e42a8fb0214134f7312068cbfa4a1f663b629c2

    • SHA256

      e3692685f9a728e0daeea23f159484fd1009bf615126d51a29440dcf53ab0d42

    • SHA512

      5e0527691f54fc26e683fcf692d637678bc57aece088502ce24d2f3430eb908c50f36c99f8f423eaadbbd574ee1a4b6e7e157ebe346160adba6c2237094e9314

    • SSDEEP

      3072:nkmEokfyW/Sshyd6OCbefqGKIti4KrTWssUPZPwTns9MUjYAYeL9hgC:n8okaW/SshhQijKiZrT3jPCUjmev

    • 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