Top 10 Malware Q4 2023

MS-ISAC’s CTI team reports that in Q4 2023, SocGholish dominated Top 10 Malware activity (60%), with malvertisement as the leading initial vector and increased multi-vector use driven by Arechclient2; the quarter also saw ReverseRAT and Pegasus enter the list. The report outlines infection vectors (Dropped, Malspam, Multiple, Malvertisement) and supplies actionable IoCs (hashes, IPs, domains, URLs) for each of the Top 10 families, including SocGholish, Arechclient2, Agent Tesla, CoinMiner, NanoCore, RogueRaticate, ViperSoftX, ReverseRAT, Gh0st, and Pegasus.