noisy and dark crows: sx50 hs: today morning

noisy and dark crows: sx50 hs at 400 iso : today morning. uploaded two photos with before and after pp sample. i used the 2x tc. pp at dxo optic pro with just applying exposure correction to +2. i applied no noice reduction at pp. do you have idea with noise and dark level? is it ok? or should i change settings?

before pp