Rewterz Threat Alert – Sodin Ransomware Exploits Windows Vulnerability and Processor Architecture

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Rewterz Threat Alert – Sodin Ransomware Exploits Windows Vulnerability and Processor Architecture

Severity

High

Analysis Summary

When Sodin (also known as Sodinokibi and REvil) appeared in the first half of 2019, it immediately caught attention for distributing itself through an Oracle Weblogic vulnerability and carrying out attacks on MSP providers. It also exploits the CVE-2018-8453 vulnerability to elevate privileges in Windows (rare among ransomware), and uses legitimate processor functions to circumvent security solutions.

To escalate privileges, Trojan-Ransom.Win32.Sodin uses a vulnerability in win32k.sys; attempts to exploit the vulnerability was assigned the number CVE-2018-8453. After the exploit is executed, the Trojan acquires the highest level of privileges.

Impact

Privilege escalation

Indicators of Compromise

Malware Hash (MD5/SHA1/SH256)

1ce1ca85bff4517a1ef7e8f9a7c22b16

Affected Vendors

Microsoft

Remediation

It is advised to ensure that all software are regularly updated to the most recent versions.

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Rewterz Threat Alert – Sodin Ransomware Exploits Windows Vulnerability and Processor Architecture

Security Operations Centers across the region

Saudi Arabia

UAE

Oman

Pakistan