To stay in malaysia, you need a ‘pas lawatan’. Normally those pass is granted due to what the need for you to stay in malaysia. Like my FIL, bcs arwah MIL is msian, he got temporary social pass for staying here. Need to renew every 6m. Try check our immigration portal here https://www.imi.gov.my and check any yang suitable for you. Pas for kerja pun ada juga. Expat pun ada. Boleh cuba ya