To know what is inside, you will need to on your computer or device.
I cannot determine the specific contents of a file named "KA (MB).zip" because it is a generic filename, and I do not have access to your personal files or a specific, publicly indexed zip file with that exact name. KA (MB).zip
If you can tell me , I might be able to help you identify what it likely contains. To know what is inside, you will need