General

  • Target

    JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101

  • Size

    287KB

  • Sample

    241222-dga2ya1jg1

  • MD5

    17bb61202a522c4c39b174e82418be79

  • SHA1

    34b87524492f670c91e7c3a19ae50a13b6a4cf0c

  • SHA256

    60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101

  • SHA512

    62f299953cd4b369d33b24ac0d2118a2827554e21ce5d8ccccacc5263d8335a52ba17ea1fb1502075932333cf503a10ae0fa611c9b9485d98c81316edfbc2372

  • SSDEEP

    3072:6Vy4W05xioLc9s0g2n9ICegMuBOd9KXaP3E+/ngr9+oKBJUIjgmLDJ1u1uakB9Yj:ifQ9hBO6XaP3/Q9+xzUug8/udG

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101

    • Size

      287KB

    • MD5

      17bb61202a522c4c39b174e82418be79

    • SHA1

      34b87524492f670c91e7c3a19ae50a13b6a4cf0c

    • SHA256

      60581f93b3f00098492db1674e3862e8d0557bce69797c68cea7cc80bca39101

    • SHA512

      62f299953cd4b369d33b24ac0d2118a2827554e21ce5d8ccccacc5263d8335a52ba17ea1fb1502075932333cf503a10ae0fa611c9b9485d98c81316edfbc2372

    • SSDEEP

      3072:6Vy4W05xioLc9s0g2n9ICegMuBOd9KXaP3E+/ngr9+oKBJUIjgmLDJ1u1uakB9Yj:ifQ9hBO6XaP3/Q9+xzUug8/udG

    • 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