Moha (in the expression of raga-dosa-moha ‘desire-hatred-delusion’) is about not knowing and not seeing things as they really are.
What are the things that one has to know (janati) and see (passati) as they really are (yathabhutam) for the ending of dukkha ‘suffering’? The following SN/SA suttas may provide the answer:
What does it mean "to see things as they really are"? - #14 by thomaslaw