Extracted

• • Target

    https://github.com/mategol/PySilon-malware/archive/refs/heads/main.zip

  Score

  10^/10

  wannacryadwaredefense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwarespywarestealerworm

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Downloads MZ/PE file

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Checks computer location settings

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

  • Drops startup file

  • 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

  • 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.

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

    defense_evasion

  • Indicator Removal: File Deletion

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion

  • Installs/modifies Browser Helper Object

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware

  • Legitimate hosting services abused for malware hosting/C2

  • 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
  behavioral1behavioral2