Extracted

• • Target
    https://github.com/limiteci/WannaCry

  Score

  10^/10

  defense_evasiondiscoveryexecutionwannacryimpactpersistenceprivilege_escalationransomwarespywarestealersuricataworm

  • Family: Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Downloads MZ/PE file

  • Creates a file in the Startup directory

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation

  • 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

  • Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound

    Network activity triggered a Suricata alert

    suricata

  • Adds Run key to start application

    persistence

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops desktop.ini file(s)

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    defense_evasion

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • Executes a VBScript file via the Windows Script Host.

    execution

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1