General

  • Target

    511fa335e111d3cee40cb12f7a9746ab

  • Size

    13.0MB

  • Sample

    231219-s2ps6ahcc4

  • MD5

    511fa335e111d3cee40cb12f7a9746ab

  • SHA1

    75a5b2a0fc672d4d20e9db3d61d4790fb8cfd643

  • SHA256

    2c2f2fcc1e60c02335872cf79d5f172a9dfa49a8dfc95255c69af8bb418364e6

  • SHA512

    47921214a1d972b1010381c345d1ab6f13a5f5c74d0f15ec2397df866c22352871bf57fdfccc0d0af577ac6c136e4b0dd38fa994844dd1b71c3b2250abee9082

  • SSDEEP

    49152:uVwj1RzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzX:2M1

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      511fa335e111d3cee40cb12f7a9746ab

    • Size

      13.0MB

    • MD5

      511fa335e111d3cee40cb12f7a9746ab

    • SHA1

      75a5b2a0fc672d4d20e9db3d61d4790fb8cfd643

    • SHA256

      2c2f2fcc1e60c02335872cf79d5f172a9dfa49a8dfc95255c69af8bb418364e6

    • SHA512

      47921214a1d972b1010381c345d1ab6f13a5f5c74d0f15ec2397df866c22352871bf57fdfccc0d0af577ac6c136e4b0dd38fa994844dd1b71c3b2250abee9082

    • SSDEEP

      49152:uVwj1RzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzX:2M1

    • Tofsee

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

    • 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