Rewterz Threat Alert – REvil Ransomware Supply Chain Attack – Active IOCs

Severity

High

Analysis Summary

On the Fourth of July weekend, around 200 organizations all over the world were hit with a ransomware attack. Investigators are calling this the “largest ransomware attack in history.” The REvil ransomware group exploited the Kaseya VSA tool used to perform client monitoring and patch management by MSPs. The gang initially compromised the VSA software, and then deployed their ransomware on the on-premise servers of enterprise networks. 

This is an ongoing attack and more than 20 MSPs have been compromised as of yet. FBI is helping the company investigate this incident and organizations and vendors affected by the attack have also released advisories on patches and remediations for the attack. The initial ransomware demand was $44,999

Impact

• Data Encryption

Indicators of Compromise

MD5

• 5de6ec9265f79a31a9845c8a504d28f0

SHA-256

• 32fc03caa22bc3bbf778b04da675e528dd7125a61da6f9fc5e532230745bcd8c

SHA1

• 7b6621202ac7795e89891b7bd65e769ba6c267c5

URL

• http[:]//31[.]42[.]177[.]52/dpixel
• http[:]//31[.]42[.]177[.]52/submit[.]php
• http[:]//45[.]153[.]241[.]113/download/pload[.]exe

Remediation

Block all threat indicators at your respective controls.
This tool analyzes a system (either VSA server or managed endpoint) and discovers whether any (IoC) are present. Download the Kaseya VSA Detection Tool.
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