Just open the file in the MS dev environment. Select "all files" for the filter, and open ArchiCAD.exe. You'll (long load time) eventually see a tab like the attached, listing all resources in the exe.
I do believe that this might be considered 'reverse engineering', which is prohibited by the license. Not sure how much useful will show up here (and by opening the various DLLs), since GS uses their own resource format for dialogs, etc. as you know.
As far as the file timestamps go, on Unix you would use "touch"... which presumably must be part of OS X. On XP, it looks like the Posix commands have been moved into the resource kit and are not delivered, as they were with NT. So, you might have to search for a 3rd party touch command, or write your own script. A quick search brought up:
One of the forum moderators
AC 26 USA and earlier • macOS Ventura 13.4, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB