Rewterz Threat Alert – SmokeLoader Malware – Active IOCs

Severity

High

Analysis Summary

Smoke Loader – a malicious bot application – can be used to load additional malware. Smoke Loader has been spotted in the wild since 2011, carrying a variety of payloads. This malware is mostly used to load additional malicious software, which is often obtained from a third-party source. Smoke Loader can load its modules allowing it to do several activities without the use of additional components. To date, the supplier of Smokeloader, who goes by the alias SmokeLdr, is still active in delivering this malware as a service. It is well-known for using deception and self-defense. This malware can be spread in several ways and is widely linked to criminal activity. To hide its C2 activity, this malware sends queries to popular websites like microsoft.com, bing.com, adobe.com, and others.

Impact

• Information Theft
• Unauthorized Access

Indicators of Compromise

MD5

• cbe4329ac835d571cf71add90df141df
• b4a91fc10d6783d9182738627ed5329a
• ef34b51ad43f82175fd285ec712b6ef6
• 9d388c582710b08133e6d37a77a8ce90

SHA-256

• c2c188e1268c54261a51deaee8c99af06ec604bf7e873c88e01e3b3d95e0d028
• 0203385de54173044b6c3d6fd96a810e9aaefab3ae1f8420ca1da8244fd77d28
• 00415d3dbe1002e36e94d9e11459872b7fd485ffc59a4d96a7c8e7e5df80186b
• ec49ea3da7d627ad17042d48b66b1c8fbfd840e3e2b5920ea0509a735d9175d2

SHA-1

• 09f34b4135cdf60037831d75439f51f2d13430be
• a465148874f315f9b75c82876bcc5bc9f196fa2b
• 0e31b26d117ba88e87b611991603cf3ffed95b78
• 0ba1fac8bf12d9095c64cc3c5f787ca2da17a49e

URL

• http://185.172.128.79/3886d2276f6914c4.php
• http://5.42.64.35/syncUpd.exe

Remediation

• Exercise caution when receiving messages from unknown senders.
• Block all threat indicators at your respective controls.
• Keep your software updated to the latest patches.
• Search for IOCs in your environment.