Rewterz Threat Alert – Mirai Botnet – Active IOCs

Severity

High

Analysis Summary

Mirai is one of the first major botnets to target linux based vulnerable networking devices. It was discovered in August 2016 and its name means “future” in Japanese. It targets a broad range of networked embedded devices, including IP cameras, home routers, and other IoT devices. 
Mirai botnet exploits security flaws in IoT devices and has the ability to turn millions of IoT devices into botnets and conduct attacks.
Previously a new Mirai variant was observed making the rounds called mirai_pteamirai. The botnet exploits a vulnerability in KGUARD DVR to spread within an environment. The vulnerability exists in the 2016 firmware version and is fixed in any version after the 2017 release. This botnet is active and used to cause DDoS conditions.

Impact

• Server Outage
• Data Loss
• Website Downtime

Indicators of Compromise

MD5

• 25934a310d7ee48ea230a4d6abf35f28
• 28a2aff8580368afe5f0bd810a5a53e9
• cd2a70229a3da54380d9b4fbcf5199f1

SHA-256

• 32afe7cff4b31bae0cbffff00e2bea682b791c0e428c78b655b8ffdf2c41d7a5
• 078ba165257934927521864f01d0718e78774d3aa12427cdcdcb540a2711dd43
• 6afbf0e637b7d53a898b5b49b4faa42e48042edeeb8bacb775666b97ed3da1a2

SHA-1

• ee52840c843872cfcc48ed9b89c305af9c336be1
• 01cc097cb3d3bc22a74e1888c91827bb6f7f1ab5
• 2eac3311f801286bf745382c4ea37274fc65571c

Remediation

• Upgrade your operating system.
• Don’t open files and links from unknown sources.
• Install and run anti-virus scans