Extracted

• • Target

    http://zxc

  Score

  10^/10

  wannacrybootkitdiscoveryevasionpersistenceransomwarespywarestealertrojanupxworm

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Disables Task Manager via registry modification

    evasion

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies Installed Components in the registry

    persistence

  • Modifies Windows Firewall

    evasion

  • Sets service image path in registry

    persistence

  • Uses Session Manager for persistence

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

    persistence

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Registers COM server for autorun

    persistence

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Unexpected DNS network traffic destination

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application

    persistence

  • Checks for any installed AV software in registry

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Checks system information in the registry

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

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1