General

  • Target

    a3c194b99325a6f9c69c4000d6bbd63d_JaffaCakes118

  • Size

    110KB

  • Sample

    241126-ycql2swmaz

  • MD5

    a3c194b99325a6f9c69c4000d6bbd63d

  • SHA1

    06cbdd6ce8b759f5cc2bca41ef8afdf9130c9116

  • SHA256

    b156f43683084b18e719dc72bdc0daead155fb3502eaeca19ed39f51bd8d00c4

  • SHA512

    08612b95baa0eb7ab2e18c071856bd77fa8f93e7b92a72c0097d5d6fbaa39326a4917a663d7d771640ff29b2b247b3512df96fd868223ff87427323da7b89905

  • SSDEEP

    1536:uwGVxjjSw7LhpTkVC7Jw5PfN68Dl6tp8BLFRfcvsNlJc35C:zeVpmC7Jw5w8DM8pFSglJ2C

Malware Config

Extracted

Family

tofsee

C2

94.75.255.140

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      a3c194b99325a6f9c69c4000d6bbd63d_JaffaCakes118

    • Size

      110KB

    • MD5

      a3c194b99325a6f9c69c4000d6bbd63d

    • SHA1

      06cbdd6ce8b759f5cc2bca41ef8afdf9130c9116

    • SHA256

      b156f43683084b18e719dc72bdc0daead155fb3502eaeca19ed39f51bd8d00c4

    • SHA512

      08612b95baa0eb7ab2e18c071856bd77fa8f93e7b92a72c0097d5d6fbaa39326a4917a663d7d771640ff29b2b247b3512df96fd868223ff87427323da7b89905

    • SSDEEP

      1536:uwGVxjjSw7LhpTkVC7Jw5PfN68Dl6tp8BLFRfcvsNlJc35C:zeVpmC7Jw5w8DM8pFSglJ2C

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks