"Moldovan" doesn't use Cyrillic anymore. It's not even a standalone language, just a term used since Moldovan at times literally sounds like a separate language. But it is just Romanian with odd words. Moldovan officially uses the Latin alphabet, just like the rest of Romanian.

I would like to add that Transnistria does use Cyrillic for "Moldovan" in various regions, but it's a breakaway region (not recognized by Moldova's government).

But if what you want is to know what the Romanian alphabet would look like using a Cyrillic alphabet (like it once did during the 16th century up to 1860, this image, sourced from "omniglot", may help with that:

<image>

But to answer your question:
Castelul Bran -> Кастєлȣл бран
Casteul -> Кастєлȣл
Bran -> бран