The file appears to be a standard Android screen recording file, likely captured while using the Google Chrome browser. File Metadata Analysis
Users sometimes report these files when they notice "Chrome is capturing your screen" alerts, which can occur during video meetings or due to active browser extensions. Technical Management Screen_Recording_20220918-154845_Chrome.mp4
If the file was originally in a different format (like MKV), it might have been remuxed to MP4 using software like OBS Studio to ensure it can be played on any device. The file appears to be a standard Android