General

  • Target

    8a0f2f8546fc4c2c9bb9106cdf420f21

  • Size

    10.9MB

  • Sample

    240202-vl5ksadbfk

  • MD5

    8a0f2f8546fc4c2c9bb9106cdf420f21

  • SHA1

    d55904ac6aa71d9f77f749c092746f0bc4d0bbcc

  • SHA256

    9225eb67f032fe31ed88636aea63e95828d14a74c2f866fa4854bb5541d103c5

  • SHA512

    2f0266c80b90327526658d35de9a8bb2f61564b3b68b43e361753a5453942f2bc47e48947a5e8f6e31abd9c616619607609613897f269d10c919b51bd0196ecc

  • SSDEEP

    196608:lXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      8a0f2f8546fc4c2c9bb9106cdf420f21

    • Size

      10.9MB

    • MD5

      8a0f2f8546fc4c2c9bb9106cdf420f21

    • SHA1

      d55904ac6aa71d9f77f749c092746f0bc4d0bbcc

    • SHA256

      9225eb67f032fe31ed88636aea63e95828d14a74c2f866fa4854bb5541d103c5

    • SHA512

      2f0266c80b90327526658d35de9a8bb2f61564b3b68b43e361753a5453942f2bc47e48947a5e8f6e31abd9c616619607609613897f269d10c919b51bd0196ecc

    • SSDEEP

      196608:lXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

    • 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