Rewterz Threat Alert – SmokeLoader Malware – Active IOCs

Severity

Medium

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

• 98b480339c9a8c8316f5255f976fd575
• e5dbf324cdf791b9cd939d3ba89d2970
• 766801c28e2bba5d4587ee22941b6528

SHA-256

• ce2233afbaae3dbd11de511a72182d30cc1f7abffb9f35506954fabdf723c234
• 6a684f04b6dc6ed0ca2bc55dec214e78c664aa18ee412fd290e6d543866115a9
• 4841be428d00d29ab878fda23850d948bc2d12eefb31621c0272e301d95bbc7f

SHA-1

• 306afd77c684c9f20645030cc78ed42d8507ca87
• 7e19c5052f49f32689d22fa77141137b5d55208a
• b718a320f4482e397719552f098a67b883c88b28

URL

• http://kamsmad.com/tmp/index.php
• http://souzhensil.ru/tmp/index.php

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.