General

  • Target

    JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d

  • Size

    285KB

  • Sample

    241230-133ems1mdn

  • MD5

    c2ce2df162edbe6d16c197dcce8461c1

  • SHA1

    84d5e79aaef19c342d0f7e0f4c91a4c1446c0c55

  • SHA256

    df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d

  • SHA512

    246688b91058703e24bafd27032e87f57041772ac4a44047c7a58be7c69141b1fd4d3eb443b8756c3aecd0a8de75949ec46f603f156a41afc54e5e37ce6e10b0

  • SSDEEP

    6144:KubLIkGEMVyknC38e3qJL6b9OOhxxdeTr/ekI:KWchEMVykSoL61zxd6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d

    • Size

      285KB

    • MD5

      c2ce2df162edbe6d16c197dcce8461c1

    • SHA1

      84d5e79aaef19c342d0f7e0f4c91a4c1446c0c55

    • SHA256

      df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d

    • SHA512

      246688b91058703e24bafd27032e87f57041772ac4a44047c7a58be7c69141b1fd4d3eb443b8756c3aecd0a8de75949ec46f603f156a41afc54e5e37ce6e10b0

    • SSDEEP

      6144:KubLIkGEMVyknC38e3qJL6b9OOhxxdeTr/ekI:KWchEMVykSoL61zxd6L

    • 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