Remcos distributes itself through malicious Microsoft Office documents, which are attached to SPAM emails, and is designed to bypass Microsoft Windows UAC security and execute malware with high-level privileges.

Source: https://www.africanews.it/english/rising-cyber-threats-in-october-2023-njrat-and-agenttesla-lead-alarming-surge-in-global-malware-activity-african-government-institutions-targeted/