General

  • Target

    620a6aa248abe66526d392b56d679d58_JaffaCakes118

  • Size

    13.0MB

  • Sample

    241020-nr36ksyajl

  • MD5

    620a6aa248abe66526d392b56d679d58

  • SHA1

    c3954ad0f42747c38404871941b5633373e0c55f

  • SHA256

    f49eff0c9a64e982b1eac981a010b608ca2ca902d5555206fe53b259c5979d33

  • SHA512

    b58aa0d57c417d7365abfa91935ff7a15d25e0b0f973c6f90e24f67067dfd94b1dfad0fea2cc8118223e2c8df1cb88eed479e273fcaa7ab8527bf283cc495471

  • SSDEEP

    24576:AW/EClxN7llllllllllllllllllllllllllllllllllllllllllllllllllllll9:A4HN

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      620a6aa248abe66526d392b56d679d58_JaffaCakes118

    • Size

      13.0MB

    • MD5

      620a6aa248abe66526d392b56d679d58

    • SHA1

      c3954ad0f42747c38404871941b5633373e0c55f

    • SHA256

      f49eff0c9a64e982b1eac981a010b608ca2ca902d5555206fe53b259c5979d33

    • SHA512

      b58aa0d57c417d7365abfa91935ff7a15d25e0b0f973c6f90e24f67067dfd94b1dfad0fea2cc8118223e2c8df1cb88eed479e273fcaa7ab8527bf283cc495471

    • SSDEEP

      24576:AW/EClxN7llllllllllllllllllllllllllllllllllllllllllllllllllllll9:A4HN

    • 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