General

  • Target
    2f0b4b4819d48ff7ba4dbeb258a93189.zip
  • Size 194KB
  • Sample240830-3baxessemp
  • SHA256 e910c690fdd6944df35d0de3cbc5241ac2172dcf02d43b2ccc9f72470e7b37f0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • defeatwax.ru

  • refabyd.info

Targets

    • Target
      3a115fc118d5b0933c8550da6125b78d4956e27f671c00945d0ad04d5839dab4
    • Size 10.9MB
    • SHA256 3a115fc118d5b0933c8550da6125b78d4956e27f671c00945d0ad04d5839dab4
    • MD5 SHA1 SHA512 SSDEEP
    • 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