General

  • Target

    JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf

  • Size

    234KB

  • Sample

    241222-jc11fszkfr

  • MD5

    2379565f7037e1f0c790f1fbd5382e4d

  • SHA1

    3e74b492092848defe3efce4aaade6060c6e65bf

  • SHA256

    a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf

  • SHA512

    07919ec516c8ca931f4d5c574bce930146d871f643815f56bdae4ec75109ce49a4f9bc7ccfd98ba761eee21ac1747d578cc3da44e4eab62801be435a09b517c0

  • SSDEEP

    3072:o17AsVmUoKJ7lQHbmyVvVGE4dG+0VXN7yADUsHwNoQ4Lps4DE+u/4:o175UgJ7lQHbLvz4dGgoHHuA

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf

    • Size

      234KB

    • MD5

      2379565f7037e1f0c790f1fbd5382e4d

    • SHA1

      3e74b492092848defe3efce4aaade6060c6e65bf

    • SHA256

      a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf

    • SHA512

      07919ec516c8ca931f4d5c574bce930146d871f643815f56bdae4ec75109ce49a4f9bc7ccfd98ba761eee21ac1747d578cc3da44e4eab62801be435a09b517c0

    • SSDEEP

      3072:o17AsVmUoKJ7lQHbmyVvVGE4dG+0VXN7yADUsHwNoQ4Lps4DE+u/4:o175UgJ7lQHbLvz4dGgoHHuA

    • 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