General

  • Target
    d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416.exe
  • Size 12.8MB
  • Sample241123-ynvedazmar
  • SHA256 d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Targets

    • Target
      d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416.exe
    • Size 12.8MB
    • SHA256 d92e9ff83aa1bea9d8934580419e139de0eb37cb6eb9c90b804f70b9b501d416
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

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

    • Tofsee family

    • 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