General

  • Target

    15c6baeffcaf713f893bde05acc50d3e

  • Size

    13.9MB

  • Sample

    231230-mendxsbaa3

  • MD5

    15c6baeffcaf713f893bde05acc50d3e

  • SHA1

    89515a974db16b6f4fe0d24989c0cc128c534163

  • SHA256

    8a6320644407262f3cabe048c266256c85f90abc320a72b6fed07bea485a7637

  • SHA512

    30b49a09ef5f77c6b7d9618c9c3fc23f533284ecf3c4c3806df978e3bea7060b7580d1718d95e011cae3680692c0299bd82d264408091ef5d87372b06df85cb6

  • SSDEEP

    393216:UkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkH:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      15c6baeffcaf713f893bde05acc50d3e

    • Size

      13.9MB

    • MD5

      15c6baeffcaf713f893bde05acc50d3e

    • SHA1

      89515a974db16b6f4fe0d24989c0cc128c534163

    • SHA256

      8a6320644407262f3cabe048c266256c85f90abc320a72b6fed07bea485a7637

    • SHA512

      30b49a09ef5f77c6b7d9618c9c3fc23f533284ecf3c4c3806df978e3bea7060b7580d1718d95e011cae3680692c0299bd82d264408091ef5d87372b06df85cb6

    • SSDEEP

      393216:UkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkH:

    • Tofsee

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

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks