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Rewterz Threat Alert – WannaCry Ransomware – Active IOCs

Severity

High

Analysis Summary

WannaCry is also called WCry or WanaCrptor ransomware malware, this ransomware can encrypt all your data files and demands a payment to restore the stolen information, usually in bitcoin with a ransom amount. WannaCry is one of the most dangerous malware ever used for cyberattacks. The attackers behind WannaCry ransomware uses a tool called Eternal Blue to exploit a vulnerability in the Windows Server Message Block, or SMB Protocol. WannaCry ransomware have caused serious disruptions in healthcare sector and financial sector and locked out users from their data.

Impact

  • File encryption

Indicators of Compromise

MD5

  • e58fdd8b0ce47bcb8ffd89f4499d186d
  • d69dc6569b385c0467185d002e252d89
  • cb3e056e3862858c4a922ed2fc701cff
  • 2aedfa0dfb06ef02b268ec62486e6f80

SHA-256

  • 283f40e9d550833bec101a24fd6fd6fbd9937ed32a51392e818ffff662a1d30a
  • 80239619c4ca44380c6269873a5b6b695585ccfcf278e0f2c72698658a3a6fd8
  • 5397907c46d3341eb1fb0a9d164253f553ed9938451e9b2ba5698519e2d60af1
  • bd175fda8c98a44237f8da7e02e48f6aaf00365bec2e7e38b7b42414bd888d95

SHA-1

  • b7e2334ac6e1ad75e3744661bb590a2d1da98b03
  • 25938a66cce0078c76a15f351cbd19c8fcc2b081
  • c9f1949a2559ebea8e8c85c345eb3393f4642519
  • 0e998e4a93dd1fd666aece318b77d9f1756d9c17

Remediation

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