General

  • Target

    3c77933f76d009d8d87b6a029c201f24

  • Size

    10.4MB

  • Sample

    231225-zrbl4sdcd5

  • MD5

    3c77933f76d009d8d87b6a029c201f24

  • SHA1

    164ed8e356a26a4790a453b3867808ccb2362b21

  • SHA256

    4a52a76a61e432707da8c37f1cafa6ea664e4f2750b6ad604b0343c68f0542a7

  • SHA512

    76cd7454cc9d46f8ff562b88b71df1591dd88f4683ed1db5973261a00c18f2f59535965454c784db7982e1ad8db867b4799079a5637c44e6d66d555c9c3bf79f

  • SSDEEP

    98304:xNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllj:HW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      3c77933f76d009d8d87b6a029c201f24

    • Size

      10.4MB

    • MD5

      3c77933f76d009d8d87b6a029c201f24

    • SHA1

      164ed8e356a26a4790a453b3867808ccb2362b21

    • SHA256

      4a52a76a61e432707da8c37f1cafa6ea664e4f2750b6ad604b0343c68f0542a7

    • SHA512

      76cd7454cc9d46f8ff562b88b71df1591dd88f4683ed1db5973261a00c18f2f59535965454c784db7982e1ad8db867b4799079a5637c44e6d66d555c9c3bf79f

    • SSDEEP

      98304:xNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllj:HW

    • Tofsee

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

    • Creates new service(s)

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

MITRE ATT&CK Enterprise v15

Tasks