There are many options. All basic bank accounts in Guaranies can be opened on-line with cédula within couple of minutes. All you need is Paraguay IP address in majority of cases. You can easily make it happen via Surfshark VPN
Some of options are: UENO bank (fusion with Banco Vision), ITAU, Banco Atlas, Banco Continental
In case of USD accounts it is more complicated and more proofs are needed (often times 6 months tax returns from SET are needed).