Was the Hebrew Bible modified and rewritten from Aramaic to Hebrew after the death of Jesus?

Yes. What most would consider the ‘Hebrew bible’ seems in the context of this question come to mean a Jewish bible, TNK, or from a Christian view, the closely related but not identical ‘the Old Testament’. The text of this compilation is written mostly in Hebrew with a few parts in Aramaic.

When did the Jews switch from Hebrew to Aramaic?

6th century bce

Aramaic had replaced Hebrew as the language of the Jews as early as the 6th century bce.

What is the original Bible version?

The Geneva Bible is one of the most historically significant translations of the Bible into English, preceding the King James Version by 51 years.

Geneva Bible
Full name Geneva Bible
Abbreviation GEN
NT published 1557
Complete Bible published 1560

Which version of the Bible is closest to Aramaic?

the Peshitta

In the Syriac (Eastern Aramaic) language the Peshitta (Syriac: “common version”) is the standard version of the Christian Bible.