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Threat Group Cards: A Threat Actor Encyclopedia

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://www.us-cert.gov/ncas/alerts/TA17-132A> <https://blog.avast.com/ransomware-that-infected-telefonica-and-nhs-hospitals-is-spreading-aggressively-with-over-50000-attacks-so-far-today> <https://baesystemsai.blogspot.de/2017/05/wanacrypt0r-ransomworm.html> <http://www.independent.co.uk/news/uk/home-news/wannacry-malware-hack-nhs-report-cybercrime-north-korea-uk-ben-wallace-a8022491.html> <https://gist.github.com/rain-1/989428fa5504f378b993ee6efbc0b168> <https://blog.comae.io/wannacry-new-variants-detected-b8908fefea7e> <https://blog.comae.io/wannacry-the-largest-ransom-ware-infection-in-history-f37da8e30a58> <https://blog.comae.io/wannacry-decrypting-files-with-wanakiwi-demo-86bafb81112d> <https://themoscowtimes.com/news/wcry-virus-reportedly-infects-russian-interior-ministrys-computer-network-57984> <https://krebsonsecurity.com/2017/05/u-k-hospitals-hit-in-widespread-ransomware-attack/> <https://securelist.com/blog/incidents/78351/wannacry-ransomware-used-in-widespread-attacks-all-over-the-world/> <https://www.malwaretech.com/2017/05/how-to-accidentally-stop-a-global-cyber-attacks.html> <https://www.symantec.com/connect/blogs/wannacry-ransomware-attacks-show-strong-links-lazarus-group> <https://blog.gdatasoftware.com/2017/05/29751-wannacry-ransomware-campaign> <https://blog.malwarebytes.com/cybercrime/2017/05/how-did-wannacry-ransomworm-spread/> <https://www.flashpoint-intel.com/blog/linguistic-analysis-wannacry-ransomware/> <http://blog.emsisoft.com/2017/05/12/wcry-ransomware-outbreak/> <https://www.dropbox.com/s/hpr9fas9xbzo2uz/Whitepaper%20WannaCry%20Ransomware.pdf?dl=0>
MITRE ATT&CK	<https://attack.mitre.org/software/S0366/>
Malpedia	<https://malpedia.caad.fkie.fraunhofer.de/details/win.wannacryptor>

Last change to this tool card: 30 December 2022

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All groups using tool WannaCry

Changed	Name	Country	Observed
APT groups
	Lazarus Group, Hidden Cobra, Labyrinth Chollima		2007-Sep 2024

1 group listed (1 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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