General

  • Target
    clippy.png
  • Size 12KB
  • Sample240502-vgnfpsda2y
  • SHA256 94108bed7f7a12a203282b5cfd8e1c85127f5888a434d2b8bf2c558ffda032c7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      clippy.png
    • Size 12KB
    • SHA256 94108bed7f7a12a203282b5cfd8e1c85127f5888a434d2b8bf2c558ffda032c7
    • MD5 SHA1 SHA512 SSDEEP
    • Adds autorun key to be loaded by Explorer.exe on startup

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies AppInit DLL entries

    • Modifies Installed Components in the registry

    • Modifies RDP port number used by Windows

    • Registers new Print Monitor

    • Sets DLL path for service in the registry

    • Sets file execution options in registry

    • Sets service image path in registry

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Allows Network login with blank passwords

      Allows local user accounts with blank passwords to access device from the network.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Modifies WinLogon

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks