General

  • Target

    fad02e51291b3038659473cff47e29d0_JaffaCakes118

  • Size

    13.3MB

  • Sample

    240419-v3r11saf89

  • MD5

    fad02e51291b3038659473cff47e29d0

  • SHA1

    5ab067004bc8296c68fd9371eb5be7a35925b51a

  • SHA256

    93a0cf66597311ab47acf053542131ad5ed2410d1e25c67b1e77e7b324bd9e88

  • SHA512

    dc8203a4281d15e5ffb791a9260917cd92e67db1658948f4da74e61ec0365a40263fe5a98d809ddf97173d243f7289b442041f4ae094a33009b05400169a69aa

  • SSDEEP

    49152:EHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      fad02e51291b3038659473cff47e29d0_JaffaCakes118

    • Size

      13.3MB

    • MD5

      fad02e51291b3038659473cff47e29d0

    • SHA1

      5ab067004bc8296c68fd9371eb5be7a35925b51a

    • SHA256

      93a0cf66597311ab47acf053542131ad5ed2410d1e25c67b1e77e7b324bd9e88

    • SHA512

      dc8203a4281d15e5ffb791a9260917cd92e67db1658948f4da74e61ec0365a40263fe5a98d809ddf97173d243f7289b442041f4ae094a33009b05400169a69aa

    • SSDEEP

      49152:EHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

    • 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