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
• Exposure of Sensitive Data

Indicators of Compromise

MD5

• 14502c66fa151602bceafb4443949371
• 400a322583ac3f818afa8c9c89c8d168
• 1ccbc0f392d286f0eccba5843b069b54

SHA-256

• 95b1f14cab7a6072c1300e6f39bb8f3b3af0f4bd307db88c8d1f4b3ac560d60d
• b509a02b080e90272285026979bd7e301cfa20f5ecfd79b6ae2d084f526b3506
• 3e82ba7a878de1a9b4be355b6858bb3bf6786245a9085d8b005262712a6fa63d

SHA-1

• ec701a10bcc6ba276b4ae576bfe264c3bffb0317
• 28c85e1774f64a82db91f80a8d02692baf0c24f3
• 8316471a5481d1b1013183165683b0a317059a9b

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.