Severity

High

Analysis Summary

WannaCry – aka WCry or WanaCrptor – is one of the most dangerous ransomware infections that initially surfaced in a worldwide strike in May 2017, affecting over 150 nations. This ransomware outbreak in 2017 wreaked havoc on hospitals, banks, and telecommunication firms all around the world. It has worm-like qualities and uses the SMBv1 vulnerability EternalBlue to propagate through a computer network. WannaCry encrypts user data and demands a Bitcoin payment in order to unlock them.

Impact

• File Encryption

Indicators of Compromise

MD5

• 4d9c771619255c9b937c34b4c50cec7e

SHA-256

• adb41a37499a6f0f5b1e58b1973367dd34a695293dc1fed601c79d21fd0754c1

SHA-1

• 55177cd9cefc6369db31b23e324d3263b4d4e6a6

Remediation

• Block all threat indicators at your respective controls
• Search for IOCs in your environment.