Project - is just an XML-file. BAS - is a kind of an engine with lots of libraries and so on. There is no such possibility to create a single EXE-file. But you can buy a premium subscription and compile your project secure from unwanted access.
I think you could use another thread with the browser to accomplish this. And saving the necessary data to a resource / global variable, then using this data in the new thread, whether with the browser or whatever needs to be done.