General

  • Target

    JaffaCakes118_13ff4676c5a7e487edda736c39cc17cef014686f02b0109a06b5471f5e46f2c2

  • Size

    138KB

  • Sample

    241229-kc797sxmet

  • MD5

    b6486108ef7350618488a8ecee3d9782

  • SHA1

    09a6f333cf62f3c754e1317abdfa0d1146a30652

  • SHA256

    13ff4676c5a7e487edda736c39cc17cef014686f02b0109a06b5471f5e46f2c2

  • SHA512

    949f233b393ee14886e022cc959457f64b84f0367b2a7a2263634a71c31e7cc6b2c347d2010a3d1376dd53dc17c52aa9b0a1a2706eeaebac5926d574325699ca

  • SSDEEP

    3072:zPlxLfHhPIJbhanKUqs+r55shCxiSdzZj4:zvDBIJbh/dPM6JL

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_13ff4676c5a7e487edda736c39cc17cef014686f02b0109a06b5471f5e46f2c2

    • Size

      138KB

    • MD5

      b6486108ef7350618488a8ecee3d9782

    • SHA1

      09a6f333cf62f3c754e1317abdfa0d1146a30652

    • SHA256

      13ff4676c5a7e487edda736c39cc17cef014686f02b0109a06b5471f5e46f2c2

    • SHA512

      949f233b393ee14886e022cc959457f64b84f0367b2a7a2263634a71c31e7cc6b2c347d2010a3d1376dd53dc17c52aa9b0a1a2706eeaebac5926d574325699ca

    • SSDEEP

      3072:zPlxLfHhPIJbhanKUqs+r55shCxiSdzZj4:zvDBIJbh/dPM6JL

    • 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