Try setting LD_DEBUG when running ./admin and see if it gives any clues.
- OpenBSD 5.8, -static, and -nopie Kristaps Dzonsons
- Re: OpenBSD 5.8, -static, and -nopie Stuart Henderson
- Re: OpenBSD 5.8, -static, and -nopie Philip Guenther
Try setting LD_DEBUG when running ./admin and see if it gives any clues.