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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
- a36b584de10085f700f75c6f21620bd2
- 0188b2bb7e59afd6100b75775561f073
- 292c2041324167f161a057a980b1e6d0
SHA-256
- 1dcac16611e547a747856ffac0689b88aaab13e5d9742458cb5084da8c428f5b
- b3321a802ee20a1db93cb940563c216de92ba88496fffbc7b1ddca6aee0333f3
- 4bfb5dd76f4e1623261839c62c056fa1d91f7d2f7a8426100c661718d655abb4
SHA-1
- 8c8006245b3be3a36dfebeab999d8d01826cbe1c
- c29f3865c7e5dcbc53535eec9906f992153c7227
- 78fb694be9dc448909344f6aebd0e2f69b95b920
Remediation
- Block all threat indicators at your respective controls.
- Search for Indicators of compromise (IOCs) in your environment utilizing your respective security controls
- Do not download documents attached in emails from unknown sources and strictly refrain from enabling macros when the source isn’t reliable.
- Enable antivirus and anti-malware software and update signature definitions in a timely manner. Using multi-layered protection is necessary to secure vulnerable assets
- Patch and upgrade any platforms and software timely and make it into a standard security policy.