iTunes Connect did not ask for bank or PayPal account when attempting to publish paid app in App Store
Use the Agreements, Tax, and Banking section to manage contracts with Apple, provide required financial information relating to iTunes developer payments and tax withholdings, and track the status of your iTunes agreements. If you plan to charge customers to download your apps, start with this section right away to request a contract for selling paid apps.

Apple publish the following documentation about adding your Banking details, Setting Up Banking Information.