STAC6565 Targets Canada in 80% of Attacks as Gold Blade Deploys QWCrypt Ransomware

STAC6565 Targets Canada in 80% of Attacks as Gold Blade Deploys QWCrypt Ransomware

Canadian organizations are being targeted by the STAC6565 threat cluster, which has evolved from cyber espionage to hybrid operations involving ransomware. The threat group, linked to Gold Blade, uses spear-phishing and sophisticated malware like QWCrypt and RedLoader to conduct cyberattacks, primarily focusing on Canadian firms. #GoldBlade #QWCrypt

Keypoints

  • The STAC6565 threat actor targets Canadian organizations through spear-phishing campaigns using legitimate recruitment platforms.
  • The group is believed to be linked with Gold Blade, known for data theft and ransomware deployment.
  • Recent attacks have involved custom malware such as QWCrypt and tools like RedLoader for reconnaissance and payload delivery.
  • Active since late 2018, the threat actor shifts tactics and uses sophisticated obfuscation methods, including WebDAV servers and signed drivers.
  • Most attacks are mitigated, but successful ransomware deployments have led to data theft and operational disruptions.

Read More: https://thehackernews.com/2025/12/stac6565-targets-canada-in-80-of.html