General

  • Target

    89a45f8035160a57e7fa0d21064397ea

  • Size

    12.8MB

  • Sample

    240202-qva1bahedr

  • MD5

    89a45f8035160a57e7fa0d21064397ea

  • SHA1

    e4e0e7a4846dd31e2cf98e3cec749dc19379a313

  • SHA256

    1a20ab1e6aa6499051de55ac6c91a9349c4cfec24797cbffcde3b431e84887c6

  • SHA512

    ac28d998b51a8e646444d4d52b275e0252032f14b9b3e35e1f98debe2eb8b40c129163820874349d6c4d87c15c0cc7ed8ab9bf75fdf97dcaaddfb3ab97218e4e

  • SSDEEP

    49152:LSoyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyO:

Malware Config

Extracted

Family

tofsee

C2

194.61.3.129

defeatwax.ru

Targets

    • Target

      89a45f8035160a57e7fa0d21064397ea

    • Size

      12.8MB

    • MD5

      89a45f8035160a57e7fa0d21064397ea

    • SHA1

      e4e0e7a4846dd31e2cf98e3cec749dc19379a313

    • SHA256

      1a20ab1e6aa6499051de55ac6c91a9349c4cfec24797cbffcde3b431e84887c6

    • SHA512

      ac28d998b51a8e646444d4d52b275e0252032f14b9b3e35e1f98debe2eb8b40c129163820874349d6c4d87c15c0cc7ed8ab9bf75fdf97dcaaddfb3ab97218e4e

    • SSDEEP

      49152:LSoyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyO:

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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