I tried to intentionally fake the IP address, for example 172.25.160.66 instead of 172.25.160.65 then the result is "Network error: Connection time out" instead of refused, which means that the IP address exists but just refused.
Username and password:
People say that the default username and password of Ubuntu are nothing, so I just type nothing for them.
WinSCP: Version 5.19.1 (Build 11552)
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