General

  • Target

    4d83294566e99f0fe97b104ecf6f7acc1db4ef3b354d71d28f098cbaae919606.exe

  • Size

    11.6MB

  • Sample

    241120-24q9fawdqq

  • MD5

    855fb8e778ba661c134f1978e5585f9b

  • SHA1

    861477ea63f73f1031c4580b1a181c67b6222726

  • SHA256

    4d83294566e99f0fe97b104ecf6f7acc1db4ef3b354d71d28f098cbaae919606

  • SHA512

    d1780f4524fce67bdcf795d4c1a359480ff18eb3bedb17d8cca69ef0092a6a70e9206632471e14839842ec79c7c5cff0da3d594e94d5a8981cfcf4d863992670

  • SSDEEP

    196608:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQ:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQ

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      4d83294566e99f0fe97b104ecf6f7acc1db4ef3b354d71d28f098cbaae919606.exe

    • Size

      11.6MB

    • MD5

      855fb8e778ba661c134f1978e5585f9b

    • SHA1

      861477ea63f73f1031c4580b1a181c67b6222726

    • SHA256

      4d83294566e99f0fe97b104ecf6f7acc1db4ef3b354d71d28f098cbaae919606

    • SHA512

      d1780f4524fce67bdcf795d4c1a359480ff18eb3bedb17d8cca69ef0092a6a70e9206632471e14839842ec79c7c5cff0da3d594e94d5a8981cfcf4d863992670

    • SSDEEP

      196608:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQ:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQ

    • 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