HUI Loader can decrypt and load files containing malicious payloads.2
tool
HUI Loader S1097
- Type
- malware
- Platform
- Windows
- Created
- 22 December 2023
- Last modified
- 2 January 2024
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]
3
TechniquesBottom 12%
3
TacticsBottom 21%
2
Threat groupsunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1097
HUI Loader can be deployed to targeted systems via legitimate programs that are vulnerable to DLL search order hijacking.3
HUI Loader has the ability to disable Windows Event Tracing for Windows (ETW) and Antimalware Scan Interface (AMSI) functions.4
Standing S1097
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques3Bottom 12%
12th percentile · 88% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics3Bottom 21%
21st percentile · 79% of 825 ATT&CK software entries have more tactics spanned.
Threat groups261% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique110medTop 1%
100th percentile · None of the 825 ATT&CK software entries has more detection rules per technique — the highest in the population.
Tests / technique11med
Detection coverage S1097
418 distinct rules cover the 3 techniques recorded for this tool. 276 Sigma · 142 Splunk.
3 covered by at least one rule418 distinct rules in total
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