Yes it’s H1-B

It has pathway to green card too

No it’s not lottery, but you’ll need your employer to apply for you in the US. In addition, you also need to attend visa interview at the Embassy in Malaysia

you mean from the time of online application?

cannot leh... because the date of interview appointment itself will already be few weeks later, then you need to wait a week to collect back the passport.
unless you get very lucky and find an interview slot in the same week you apply online