Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 13:12:12 UTC Home > List all groups > List all tools > List all groups using tool Owowa Tool: Owowa Names Owowa Category Malware Type Credential stealer Description (Kaspersky) While looking for potentially malicious implants that targeted Microsoft Exchange servers, we identified a suspicious binary that had been submitted to a multiscanner service in late 2020. Analyzing the code, we determined that the previously unknown binary is an IIS module, aimed at stealing credentials and enabling remote command execution from OWA. We named the malicious module ‘Owowa’, and identified several compromised servers located in Asia. Information Malpedia Last change to this tool card: 27 December 2022 Download this tool card in JSON format All groups using tool Owowa Changed Name Country Observed APT groups Gelsemium 2014-2023 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=02cb4fac-80e9-42d0-9722-552fb9a706b2 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=02cb4fac-80e9-42d0-9722-552fb9a706b2 Page 1 of 1