General

  • Target

    JaffaCakes118_8d929bdd859421d37d3432ef6efb36981c07ccd591a61633e58ec4b4df58e036

  • Size

    160KB

  • Sample

    241225-se4nsswkfz

  • MD5

    ea477d707b195f0b44ccad65d77c5134

  • SHA1

    a941fe2f82ac951a69d86f2214208ae1dd9dcd01

  • SHA256

    8d929bdd859421d37d3432ef6efb36981c07ccd591a61633e58ec4b4df58e036

  • SHA512

    65d4e367ceba707dea1d3572862c35a4371035c3f233041561d0111d3e2fb2ba9ac780a178f0b1135fee9fd2089974f6c6f27cd2439f7722d92911bb44b83a91

  • SSDEEP

    1536:ma2VSyQsJgXWheKALv54FZ9YsnVGMk8L7w8ddqOY9jV2cYdOd/5fOJqrtUrfFhl0:xlNGUja6Md5Jle/5mQrtIFs1h/

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_8d929bdd859421d37d3432ef6efb36981c07ccd591a61633e58ec4b4df58e036

    • Size

      160KB

    • MD5

      ea477d707b195f0b44ccad65d77c5134

    • SHA1

      a941fe2f82ac951a69d86f2214208ae1dd9dcd01

    • SHA256

      8d929bdd859421d37d3432ef6efb36981c07ccd591a61633e58ec4b4df58e036

    • SHA512

      65d4e367ceba707dea1d3572862c35a4371035c3f233041561d0111d3e2fb2ba9ac780a178f0b1135fee9fd2089974f6c6f27cd2439f7722d92911bb44b83a91

    • SSDEEP

      1536:ma2VSyQsJgXWheKALv54FZ9YsnVGMk8L7w8ddqOY9jV2cYdOd/5fOJqrtUrfFhl0:xlNGUja6Md5Jle/5mQrtIFs1h/

    • 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