General

  • Target

    4c4c357d02bffaa62641f0b634afebff

  • Size

    14.8MB

  • Sample

    240108-yf88kagbgj

  • MD5

    4c4c357d02bffaa62641f0b634afebff

  • SHA1

    ea5a5aa03cc225f166a7345693c4332d0e6794ff

  • SHA256

    70744b1608394252692343b9e70caa0e5c62c293d0346be00ca03d4797d7eebd

  • SHA512

    7fd79a34c0733022a8a2acb1f4f4e03267100899dc358755ba175fbded1c9bfbe5682538d681ab795f265778d09ab74d0d62a07d76dced02af8ae9a211977d64

  • SSDEEP

    6144:Tq5GpsuCvQJUYCnXy+QpxxKPQaOaeZ4PybPsFG86f:TqONJUYCnXyJzwEa6LsA8K

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

    • Target

      4c4c357d02bffaa62641f0b634afebff

    • Size

      14.8MB

    • MD5

      4c4c357d02bffaa62641f0b634afebff

    • SHA1

      ea5a5aa03cc225f166a7345693c4332d0e6794ff

    • SHA256

      70744b1608394252692343b9e70caa0e5c62c293d0346be00ca03d4797d7eebd

    • SHA512

      7fd79a34c0733022a8a2acb1f4f4e03267100899dc358755ba175fbded1c9bfbe5682538d681ab795f265778d09ab74d0d62a07d76dced02af8ae9a211977d64

    • SSDEEP

      6144:Tq5GpsuCvQJUYCnXy+QpxxKPQaOaeZ4PybPsFG86f:TqONJUYCnXyJzwEa6LsA8K

    • 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