MacOS High Sierra - About This Mac Serial Number String

Just a quick question here but basically all i want to do is edit the serial number string that is displayed on the "About This Mac" screen. It must be stored somewhere, i've tried another tutorial but that only worked for old versions of Mac OS X.

P.S. I'm not looking to change the actual serial number, just the string that's displayed on the "ATM" screen. (If it's even do-able.)

submitted by /u/NeSTR-_-CCX
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