(APIScan is a simple tool to gather a list of APIs that a target process uses.
You can use this list in an initial analysis to help determine a target's
general operating nature. Also can be used to help determine patch/update changes by doing a WinDiff on a "before" and "after" dump.
There are similar tools, often more robust (like "Dependency Walker"), but
most of these just parse the target IAT ("Import Address Table") alone.
APIScan catches dynamically/delayed loaded modules too; and dumps them as a simple list.)