Extracted

• • Target
    http://j

  Score

  10^/10

  adwarebootkitdefense_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

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Manipulates Digital Signatures

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Checks computer location settings

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

  • 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

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    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

  • Checks installed software on the system

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

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

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

    defense_evasion

  • Network Share Discovery

    Attempt to gather information on host network.

    discovery

  • 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

  • Executes a VBScript file via the Windows Script Host.

    execution

  • Probable phishing domain

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1