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

• 482e74f62a1616999277f9ac563d7f12
• ebfea4fcfbde3e89449e2aa9b9312391
• 8989b94b62c9e4b9bdf05d416988e4f5
• cf4e26388ca3d6ec0882a21f3bc51ea1
• f56a6b0c5dece27be9c0dfcd5ba3dd05

SHA-256

• b1e0c1ae7f014788aeef8950fce728521bdb2d7871f8bedcc79670c358847828
• c9bd207d0234dd0fd531e640e2386fc86c35d71f900d045fca53d5d0a1102a54
• 7e5006d509630d610db58ca5f415f07c68c947fc3a4151f0b6118d9e7429c19e
• fd130ecbe464863cada50c28b15154718b14093b64ca0c0008db30e98c5fb5d7
• 8c9143ae4670b98579f711c960206fe0e20386e87340188c1c37673545ea3d9e

SHA-1

• ae21cf7aebf51e56aca0c44277fa948c7224b890
• 6c58d23d476c820a83c52db5ccb581738e185ae3
• 27e830f8354016dace379595511fa323e0aab7d4
• ae416d7233fa5703bd518db30e761796f92afe90
• 1f44751fe41663d9b3f5a0fec658321ec962acc5

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.