Internet Explorer 0-day exploited by North Korean actor APT37

On October 31, 2022, multiple submitters from South Korea reported new malware to us by uploading a Microsoft Office document to VirusTotal. The document, titled “221031 Seoul Yongsan Itaewon accident response situation (06:00).docx”, references the tragic incident in the neighborhood of Itaewon, in Seoul, South Korea during Halloween celebrations on October 29, 2022. This incident was widely reported on, and the lure takes advantage of widespread public interest in the accident.