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

• f0c75a772c1884fe9233fb10548c661d
• e4a8e86c7388b57a56f62b2252f47467
• 3aab899ce2702c8f4057f920171f6adf
• c18d59fdb3b06ff3991c8d6facd43f0f
• 620b2fee3655789f0e63c8d4c9a74e93
• dc2ef5f7acdf5b36e41662fbe7938a41

SHA-256

• 9536b80dd15ff131ff94c1220c7564fe7d0d5b84b561811680969c5f66b5bf4b
• 8d2c2458212ca783194753cf1a7742ab0b033ae0de90c75457b159dca67a8a91
• fcb069b3a3c6fd79421a9d6908e2b4abec3791fd29f1baf059559a9270e7de83
• 8dc6c70cae63a6bf99892199580815070c50f77c92c130e2e63b815ffe8f89aa
• 88753a319b4d6f9536c2d9308d99ad4960d1a62255a0947ad3f1c8a47594832d
• 9719eafffc6196213b30ef0c0d74001bb42478c8969ba27d3a1d80358c37fefa

SHA-1

• aea2f992740d5d9634d5c8a2dd1cf9cc8aa832e3
• f45f96badecdec56bb468ca156462b99c93032be
• 898d97e11167dd5a4ac72561cca679b7ef4b1f67
• 55c777d926b4279d0b05314a400fb925efbd6eb4
• ce644140e27f8f8862ce65e2a07952ac5032f405
• fffcd09750e9363921a3a8b19831619a4121a7f5

Remediation

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