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 has the capacity to load its own modules, allowing it to do several tasks without the need for other 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. It also includes a number of plug-ins. This malware can be spread in several ways and is widely linked to criminal activity. The malware routinely makes requests to reputable websites such as microsoft.com, bing.com, adobe.com, and others to mask its C2 activity.

Impact

• Information Theft
• Exposure of Sensitive Data

Indicators of Compromise

MD5

• 2c3adc697be9b34ce79cc4779ada8df8
• a0350d213ef2af972033e8c963f230ed
• 29d5f479d71190d3270009f27ddaf29d
• efe5918fa8bd24bdfb7bb1dcc581c7b8

SHA-256

• 7616d28ae0259737b65234b689f0ed88875aaede87f2408068ad41144dd489d0
• f80be7705daaced45f4fdd7c1b612dc249d5edd442927c116c4cf39d33728065
• d56e5fd63229d155f3490e40ed3b77a5c5b7ede955ed8af77c0434056bb5087c
• ede12e010ddaffd96dbc21854ff8a5f24d75cd9766d6eb41fce18824c5c18889

SHA-1

• 8d981520e24d3b0b89c1ea41481446131044cf5d
• e283aff1af319b405606522e8b61d2a395021ddf
• e431b9fad56aca566b6add74a4c5377a25866319
• 00cf4d6741a628f200914d191ae5cdadf03b3d60

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.