Mimikatz

Optionally look in the store

Run "mmc" and add the "certificates" snapin (<ctrl>-m). The network certificates are stored under "Certificates - Current User -> Personal -> Certificates".

Run inside console with admin rights

mimikatz # crypto::capi
Local CryptoAPI patched

mimikatz # privilege::debug Privilege '20' OK

mimikatz # crypto::certificates /systemstore:current_user /store:my /export