WannaCry

Malware
21 incidents First seen 2025-07-10 Last seen 2026-09-16
Also known as
WanaCryWanaCryptWanaCrypt0rWCry
Overview

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.

Threat ecosystem
Actors Malware Campaigns CVEs
Tap a node for a quick look · double-tap to open its profile
At a glance
peak priority 190 17 techniques 1 groups use it Windows in ATT&CK since 2019-03-25 updated 2024-12-09 · v1.1
Activity by month (incidents)
2025-072026-09
Sectors targeted
health · 9government · 3technology · 3defense · 2finance · 2manufacturing · 2pharmaceutical · 2education · 1logistics · 1
Countries targeted
CA · 13US · 13RU · 7AU · 6CN · 5GB · 5NZ · 5UA · 4AT · 3CH · 3DE · 3AE · 2
Origin
CN · 4KP · 4PK · 2RU · 2US · 2AF · 1
Kinds of incident
Industry & Policy · 5Ransomware & Extortion · 4Cyberattack (general) · 3Data Breach · 3Malware & Botnets · 2Phishing & Social Engineering · 2
Techniques seen in incidents
Ransomware · 18Espionage · 5Exfiltration · 4Extortion · 4Reconnaissance · 4Lateral Movement · 3Phishing · 3T1584.004 - Server · 3Botnet · 2Data Leak · 2Privilege Escalation · 2Social Engineering · 2T1059.006 - Python · 2T1059.007 - JavaScript · 2
Related actors
Lazarus Group · 3Andariel · 1BlackByte · 1INC Ransom · 1Moonstone Sleet · 1Scattered Spider · 1
Related CVEs
CVE-2017-0144 · 1CVE-2026-20131 · 1CVE-2026-33825 · 1CVE-2026-39987 · 1CVE-2026-50751 · 1CVE-2026-50752 · 1
ATT&CK techniques by tactic (17)
execution T1047 Windows Management Instrumentation
persistence T1543.003 Windows Service
privilege escalation T1543.003 Windows Service
discovery T1016 System Network Configuration Discovery T1018 Remote System Discovery T1083 File and Directory Discovery T1120 Peripheral Device Discovery
lateral movement T1210 Exploitation of Remote Services T1563.002 RDP Hijacking T1570 Lateral Tool Transfer
command and control T1090.003 Multi-hop Proxy T1573.002 Asymmetric Cryptography
impact T1486 Data Encrypted for Impact T1489 Service Stop T1490 Inhibit System Recovery
stealth T1564.001 Hidden Files and Directories
defense impairment T1222.001 Windows Permissions
Groups that use it
Lazarus Group
Incident timeline
2026-09-16
Securing the unpatchable in an age of AI-driven vulnerabilities
2026-08-25
Arrested man allegedly impersonated NSA elite hacking unit, Supreme Court chief justice
2026-08-10
IT threat evolution in Q2 2026. Non-mobile statistics
2026-07-09
NSA revives 'Tailored Access Operations' name for elite hacking unit
2026-06-10
“AI Worms”, researchers demonstrate autonomous malware capable of adapting to any online device
2026-05-28
Focus on Cyber Insurance: How Quantifying Risk Is Reshaping Security
2026-05-19
WantToCry ransomware remotely encrypts files
2026-05-12
WannaCry, the ransomware attack that changed the history of cybersecurity
2026-04-28
Alguien conectó un PC con Windows XP sin protección a Internet para ver qué pasaba. El resultado no sorprende
2026-04-20
NCSC Outlines Coordinated Plan to Boost NHS Cyber Resilience
2026-04-20
NCSC Outlines Coordinated Plan to Boost NHS Cyber Resilience
2026-03-03
Possible U.S.-developed exploits linked to first known ‘mass’ iOS attack
2026-01-30
Labyrinth Chollima Evolves into Three North Korean Hacking Groups
2026-01-27
Eeny, meeny, miny, moe? How ransomware operators choose victims
2026-01-17
Anatomy of an Attack: The Payroll Pirates and the Power of Social Engineering
2025-07-26
Clinical Trials: How Personal Information for Thousands of Australians was Exposed | UpGuard
2025-07-26
Clinical Trials: How Personal Information for Thousands of Australians was Exposed | UpGuard
2025-07-10
Oklahoma Department of Securities Leaked Millions of Sensitive Financial Files