General

  • Target

    3edff9e579c6eae2369399704d30bd0b67fc8dee8400c1a64c48bd0561864d6c.exe

  • Size

    10.4MB

  • Sample

    241122-lj1dlsykbs

  • MD5

    e710572b1e69a2bc8b423bf5f30a091a

  • SHA1

    f424c5674d79282be1e26e317a2e5e3dc6073723

  • SHA256

    3edff9e579c6eae2369399704d30bd0b67fc8dee8400c1a64c48bd0561864d6c

  • SHA512

    c1a40ce3c71d54543b0606033e495fa1fd012da923d9ffd954eda2361998c0955246ebea80cac202e73b303fc0d370216aed33a2531469d9d659fdf3829cbe59

  • SSDEEP

    196608:Exxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx7:K

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      3edff9e579c6eae2369399704d30bd0b67fc8dee8400c1a64c48bd0561864d6c.exe

    • Size

      10.4MB

    • MD5

      e710572b1e69a2bc8b423bf5f30a091a

    • SHA1

      f424c5674d79282be1e26e317a2e5e3dc6073723

    • SHA256

      3edff9e579c6eae2369399704d30bd0b67fc8dee8400c1a64c48bd0561864d6c

    • SHA512

      c1a40ce3c71d54543b0606033e495fa1fd012da923d9ffd954eda2361998c0955246ebea80cac202e73b303fc0d370216aed33a2531469d9d659fdf3829cbe59

    • SSDEEP

      196608:Exxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx7:K

    • 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