Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 22:47:31 UTC Home > List all groups > List all tools > List all groups using tool WannaCry Tool: WannaCry Names WannaCry WannaCrypt WannaCryptor Wcry WanaCry WanaCrypt WanaCrypt0r Wana Decrypt0r Category Malware Type Ransomware, Worm, Remote command Description WannaCry is ransomware that was first seen in a global attack during May 2017, which affected more than 150 countries. It contains worm-like features to spread itself across a computer network using the SMBv1 exploit EternalBlue. Information https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=611f8147-2bcf-40aa-97ee-e4ac5d958f8c Page 1 of 2 MITRE ATT&CK Malpedia Last change to this tool card: 30 December 2022 Download this tool card in JSON format All groups using tool WannaCry Changed Name Country Observed APT groups Lazarus Group, Hidden Cobra, Labyrinth Chollima 2007-May 2025 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=611f8147-2bcf-40aa-97ee-e4ac5d958f8c https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=611f8147-2bcf-40aa-97ee-e4ac5d958f8c Page 2 of 2