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.

Disables automatic submission of suspicious files to Microsoft by Windows Defender

Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

Disables service(s)

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

Stops running service(s)

Adds Run key to start application

Contacts third-party web service commonly abused for C2

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

Looks up external IP address via web service

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

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