General

  • Target

    c6d9d306922fbc5803463c5b5cc0a346

  • Size

    13.4MB

  • Sample

    240313-zvqv7sah46

  • MD5

    c6d9d306922fbc5803463c5b5cc0a346

  • SHA1

    138a92727d3e7205c46ec3424c1cb95dc37050b5

  • SHA256

    678c3474abf593a71fdbc822d90d8e4091a6fb75153278a49b504d7f7bf3c0a4

  • SHA512

    a13690c38a1c88e436f7e5c137f19f6eae86a48d8e930c49291d99e03153cfa486e9796c4c942f3f7e67126416f9af1d8a2b89d65a397379e4b4d08a6189b70a

  • SSDEEP

    49152:Zuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuue:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      c6d9d306922fbc5803463c5b5cc0a346

    • Size

      13.4MB

    • MD5

      c6d9d306922fbc5803463c5b5cc0a346

    • SHA1

      138a92727d3e7205c46ec3424c1cb95dc37050b5

    • SHA256

      678c3474abf593a71fdbc822d90d8e4091a6fb75153278a49b504d7f7bf3c0a4

    • SHA512

      a13690c38a1c88e436f7e5c137f19f6eae86a48d8e930c49291d99e03153cfa486e9796c4c942f3f7e67126416f9af1d8a2b89d65a397379e4b4d08a6189b70a

    • SSDEEP

      49152:Zuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuue:

    • 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

    • 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