General

  • Target

    f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118

  • Size

    14.9MB

  • Sample

    240416-s5escsfd9v

  • MD5

    f3cc40d0eeb5bc12926970e04a727ee5

  • SHA1

    00a858fd157c5a5d663ab170bdfabb99088b0568

  • SHA256

    e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63

  • SHA512

    78d2876fa7ccf822ac4cfdb8e42e0c6b4b5e4b3a344c1337d05d0e86d849a9392e541bc45aa95fcae0d6fd84383460efbcd60612a5a4e87748aecd0e0b5d8840

  • SSDEEP

    49152:r8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGy:r8

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118

    • Size

      14.9MB

    • MD5

      f3cc40d0eeb5bc12926970e04a727ee5

    • SHA1

      00a858fd157c5a5d663ab170bdfabb99088b0568

    • SHA256

      e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63

    • SHA512

      78d2876fa7ccf822ac4cfdb8e42e0c6b4b5e4b3a344c1337d05d0e86d849a9392e541bc45aa95fcae0d6fd84383460efbcd60612a5a4e87748aecd0e0b5d8840

    • SSDEEP

      49152:r8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGy:r8

    • 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