Obviously at the time, Moses and other Jews had no clue who the Son was. They were not Christians.
Moses was not a Jew, he was a Levite.
...esteeming the reproach of Christ greater riches than the treasures in Egypt, for he looked to the reward. (Hebrews 11:26)
He regarded disgrace for the sake of Christ as of greater value than the treasures of Egypt, because he was looking ahead to his reward. (NIV)
He regarded disgrace for the sake of Christ as of greater value than the treasures of Egypt, because he was looking ahead to his reward. (NIV)