Extracted

• • Target
    https://github.com/Endermanch/MalwareDatabase/blob/master/ransomwares/WannaCrypt0r.zip

  Score

  10^/10

  meduzawannacrybootkitdiscoverypersistenceransomwarespywarestealerworm

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

    stealermeduza

  • Meduza Stealer payload

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomware

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies Installed Components in the registry

    persistence

  • Modifies RDP port number used by Windows

  • 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 BIOS information in registry

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • 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

  • 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

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Writes to the Master Boot Record (MBR)

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

    bootkitpersistence

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1