General

  • Target

    JaffaCakes118_9f542dda8238a115cff9cf890c0f330f82d9f7431a4e1efc3836923cba8c9d39

  • Size

    282KB

  • Sample

    241230-bw7y4stkfs

  • MD5

    b702acbfb022d6d3eb92dc6ffa938123

  • SHA1

    15e926de4225ea7d6996867807d9f2fc4e61428c

  • SHA256

    9f542dda8238a115cff9cf890c0f330f82d9f7431a4e1efc3836923cba8c9d39

  • SHA512

    2067c8fb81095d2edeb357f70ccabc94f666c2c76b1ac9723e34ae0ffc857b9d91ee88af0a853f7054104eb21e1e0a6681e6192e2b8cff1419b4d5c9eb926cd4

  • SSDEEP

    6144:WMnhpeoqjbg3lNpcdjewKBh0+DjQPjG6Bhrc:WMnhpeoUbANpg4rga6Bh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_9f542dda8238a115cff9cf890c0f330f82d9f7431a4e1efc3836923cba8c9d39

    • Size

      282KB

    • MD5

      b702acbfb022d6d3eb92dc6ffa938123

    • SHA1

      15e926de4225ea7d6996867807d9f2fc4e61428c

    • SHA256

      9f542dda8238a115cff9cf890c0f330f82d9f7431a4e1efc3836923cba8c9d39

    • SHA512

      2067c8fb81095d2edeb357f70ccabc94f666c2c76b1ac9723e34ae0ffc857b9d91ee88af0a853f7054104eb21e1e0a6681e6192e2b8cff1419b4d5c9eb926cd4

    • SSDEEP

      6144:WMnhpeoqjbg3lNpcdjewKBh0+DjQPjG6Bhrc:WMnhpeoUbANpg4rga6Bh

    • 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