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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
  • Data Exfiltration

Indicators of Compromise

MD5

  • efc84e526a47732a5a0fa7196d31f92c

SHA-256

  • 1f829e33dd839b7f943b3e4878eaf6846968d8b439ffdee31f9c70b9e0953435

SHA-1

  • 348ca3ce26bd0188d6fc5f76ae0e0c459122b6e5

URL

  • http[:]//upfile[.]vn/_qjCKrjCNqIg/wannacry-exe[.]html

Remediation

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