כד כִּי הָמָן בֶּן–הַמְּדָתָא הָאֲגָגִי צֹרֵר כָּל–הַיְּהוּדִים חָשַׁב עַל–הַיְּהוּדִים לְאַבְּדָם וְהִפִּל פּוּר הוּא הַגּוֹרָל לְהֻמָּם וּלְאַבְּדָם
24. Because Haman son of Hamdasa the Agagite, oppressor of all the Yehudim thought regarding the Yehudim to annihilate them, and threw pur (which is a lot) to terrify and annihilate them.
According to Malbim, the verse repeats Haman’s lineage from Agag that it already mentioned (Esther 3:1) to emphasize that Haman, as a descendant of Amalek, hated all Jews – not just Mordechai.