HUI Loader
HUI Loader is a custom DLL loader that has been used since at least 2015 by China-based threat groups including Cinnamon Tempest and menuPass to deploy malware on compromised hosts. HUI Loader has been observed in campaigns loading SodaMaster, PlugX, Cobalt Strike, Komplex, and several strains of ransomware.[1]
ID: S1097
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Type: MALWARE
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Platforms: Windows
Version: 1.0
Created: 22 December 2023
Last Modified: 02 January 2024
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1140 | Deobfuscate/Decode Files or Information |
HUI Loader can decrypt and load files containing malicious payloads.[1] |
|
| Enterprise | T1685 | Disable or Modify Tools |
HUI Loader has the ability to disable Windows Event Tracing for Windows (ETW) and Antimalware Scan Interface (AMSI) functions.[1] |
|
| Enterprise | T1574 | .001 | Hijack Execution Flow: DLL |
HUI Loader can be deployed to targeted systems via legitimate programs that are vulnerable to DLL search order hijacking.[1] |