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

• Exposure of Sensitive Data
• Information Theft

Indicators of Compromise

MD5

• 39275e74b527e5d264d8865f2d123599
• 86503d3f062f824d54de74302a48afe4
• d8768d38fa11c79a82c2c48046e1a379
• c52bc39684c52886712971a92f339b23

SHA-256

• 831890c5dae911036233eccb29c335cc013affe4bcb77104a7c05374d8fffebb
• 4b8e813e8c8f4ae51792ca085b910f6df345662f40f268928334e0be72d934c7
• 0a1c45d9df0f3e7f4940a7400754d44a86b0b1116fa9dc540220954af62cf648
• f8c17cb375e8ccad5b0e33dae65694a1bd628f91cac6cf65dd11f50e91130c2d

SHA-1

• f7c81c4214d20ac22d943da915a8db07e5cfc769
• d2f84f944ecb16ddc2e4dff9b707a983e13451f6
• 7061e2dbf88b466256ab78a09837fa5886faf19d
• c5cb39850affb7ed322bfb0a4900e17c54f95a11

URL

• https[:]//bit[.]ly/3sy1UMC

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.