Cursed dagger, rope and candle only work at the start of the hunt when ghost is not moving. Once it began moving they will not affect her. You will need to know her spawn point so you can attack her as soon as she is visible. Mirror works differently. You will need to be in front of regular mirror and press 'Use Key(F)' to activate the red rays.
As you can see in the video below. I attacked Countlanak before she began moving. (7:33)