General

  • Target

    2373cf2175eea94b7822c3c652f2048b

  • Size

    11.1MB

  • Sample

    231231-casgzabfc2

  • MD5

    2373cf2175eea94b7822c3c652f2048b

  • SHA1

    dd7a42832aad6ec1ca7fcf3824f75c44d6d45390

  • SHA256

    ef24e70ab6c6812915759d43c784dd84b27e04959ae248eee52d4968e81b1f28

  • SHA512

    eabd63eba54a22d86eaa317ba68d4bdcc638b0c243c025527f5536727996e623baa11bf12c141c25b9bca916c1f096fac85b76397c4d1b278df9149a7004122a

  • SSDEEP

    49152:Tj5555555555555555555555555555555555555555555555555555555555555j:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2373cf2175eea94b7822c3c652f2048b

    • Size

      11.1MB

    • MD5

      2373cf2175eea94b7822c3c652f2048b

    • SHA1

      dd7a42832aad6ec1ca7fcf3824f75c44d6d45390

    • SHA256

      ef24e70ab6c6812915759d43c784dd84b27e04959ae248eee52d4968e81b1f28

    • SHA512

      eabd63eba54a22d86eaa317ba68d4bdcc638b0c243c025527f5536727996e623baa11bf12c141c25b9bca916c1f096fac85b76397c4d1b278df9149a7004122a

    • SSDEEP

      49152:Tj5555555555555555555555555555555555555555555555555555555555555j:

    • 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