General

  • Target

    e835f770f41077fca80dd7c2e034723f_JaffaCakes118

  • Size

    14.0MB

  • Sample

    241212-zkyhasxjf1

  • MD5

    e835f770f41077fca80dd7c2e034723f

  • SHA1

    f24bede6167067c352ad09d1f8af24fee488f8f6

  • SHA256

    499e163444d7c335aed5cb174c4aece0b2eaa3b93a86d1623ca419e9b86c8401

  • SHA512

    ae72182bdce167494cf51c198ab391361db3737fbda655c61ded3273b526bddabddc9f9aab4c3b552ee58887552e5e20873dc6bd3791b5238973093b5e83426d

  • SSDEEP

    24576:jgdy5yNM4444444444444444444444444444444444444444444444444444444X:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      e835f770f41077fca80dd7c2e034723f_JaffaCakes118

    • Size

      14.0MB

    • MD5

      e835f770f41077fca80dd7c2e034723f

    • SHA1

      f24bede6167067c352ad09d1f8af24fee488f8f6

    • SHA256

      499e163444d7c335aed5cb174c4aece0b2eaa3b93a86d1623ca419e9b86c8401

    • SHA512

      ae72182bdce167494cf51c198ab391361db3737fbda655c61ded3273b526bddabddc9f9aab4c3b552ee58887552e5e20873dc6bd3791b5238973093b5e83426d

    • SSDEEP

      24576:jgdy5yNM4444444444444444444444444444444444444444444444444444444X:

    • 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