I am guessing, but the issue is likely to be related to https://docs.moodle.org/33/en/Password_salting
MoodleCloud
MoodleCloud Full Site Export - Passwords
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་
I am guessing, but the issue is likely to be related to https://docs.moodle.org/33/en/Password_salting