General

  • Target

    JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f

  • Size

    239KB

  • Sample

    241229-qjty2ssmfl

  • MD5

    fd72d95adb8b07cdc8a7dfa8a6b6131a

  • SHA1

    4836083fc513785fb3f1515b6ac9b7a0f8c3a4d0

  • SHA256

    ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f

  • SHA512

    8e9d8c81f3b5a7228512048989509777e3a16f612a7d4f0551d629a8239913577e192037935239888d8c66ae72df13be7947d5e2f4eee7b6b3a82cdcbb82e725

  • SSDEEP

    3072:gNexIXVg04czVH2c7rY/yWA1t6RzQKL00vycfCnMcK6bqBCLfvhv6f4FKPsQ:gNexwy0/zI4E/zA1WzQDMYXFi

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f

    • Size

      239KB

    • MD5

      fd72d95adb8b07cdc8a7dfa8a6b6131a

    • SHA1

      4836083fc513785fb3f1515b6ac9b7a0f8c3a4d0

    • SHA256

      ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f

    • SHA512

      8e9d8c81f3b5a7228512048989509777e3a16f612a7d4f0551d629a8239913577e192037935239888d8c66ae72df13be7947d5e2f4eee7b6b3a82cdcbb82e725

    • SSDEEP

      3072:gNexIXVg04czVH2c7rY/yWA1t6RzQKL00vycfCnMcK6bqBCLfvhv6f4FKPsQ:gNexwy0/zI4E/zA1WzQDMYXFi

    • 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