General

  • Target
    https://shoutout.wix.com/so/32Q2BeNTJ/c?w=jDCxOV0VEm9kICIb77LMlXmSC1eneaC-t2_glGWMblg.eyJ1IjoiaHR0cHM6Ly9zYWludGZpbGVkb3hwYXllc2VuLmFqb2xvYWpvbG9iYW50ZmlsZS50b3AvMzc0NmFkb2JlNDY0ODQiLCJyIjoiN2U4OTI1YmUtYjdjOC00OTM1LWIxZGEtZWQ3YTlhMzhjMjlhIiwibSI6ImxwIn0
  • Sample260910-tw5g4adr7t

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://192.227.128.184:8040/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest

Targets

    • Target
      https://shoutout.wix.com/so/32Q2BeNTJ/c?w=jDCxOV0VEm9kICIb77LMlXmSC1eneaC-t2_glGWMblg.eyJ1IjoiaHR0cHM6Ly9zYWludGZpbGVkb3hwYXllc2VuLmFqb2xvYWpvbG9iYW50ZmlsZS50b3AvMzc0NmFkb2JlNDY0ODQiLCJyIjoiN2U4OTI1YmUtYjdjOC00OTM1LWIxZGEtZWQ3YTlhMzhjMjlhIiwibSI6ImxwIn0
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Modifies Windows Firewall

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

    • ConnectWise ScreenConnect remote access tool

      ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks