Malware
OYSTERFRESH
- First Reported
- May 22, 2026
- Latest Reported
- May 22, 2026
Reported Context (1)
- emails that use Prometheus-themed lures, leading to a multi-stage infection chain that deploys OYSTERFRESH, OYSTERBLUES, and OYSTERSHUCK before loading Cobalt Strike. Ghostwriter Uses Prometheus-Themed Phishing to Target Ukrainian Government
Malware (2)
Threat Actors (2)
MITRE ATT&CK (9)
Products (3)
Tools (3)
Industries (1)
Countries (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.