Extracted

• • Target

    https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqbEdvM2JacWNycElueGhMazlTei16UW9PYmlJQXxBQ3Jtc0treDgtLVJhNUdxbDlBXzVkdEh6a3ZNYkFKMURVVWFha3c3LUhZZk84dUg4Q1VRNFBGOHE4TUJpckxHeHRSN2xaQWhVSU5OQlNMSmNaUHBWbjU1VzBtRi1FdGdEMmZDZFAwQ2NFM0xqYWVPUVZXOHA5RQ&q=https%3A%2F%2Fbit.ly%2F3Trfb6a&stzid=UgzgSIxotTTHMiWttmF4AaABAg

  Score

  10^/10

  wannacrybootkitdiscoveryevasionpersistenceransomwarespywarestealertrojanupxworm

  • Modifies WinLogon for persistence

    persistence

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Windows security bypass

    evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomware

  • Blocklisted process makes network request

  • Disables RegEdit via registry modification

    evasion

  • 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

  • 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.

  • 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

  • UPX packed file

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

    upx

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • 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

  • Maps connected drives based on registry

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

  • 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

  • Suspicious use of SetThreadContext

  behavioral1behavioral2