Malicious DLL Sideloading via LOLBins from ProgramData by Dohdoor

ATT&CK techniques

Execution → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
- T1574.001DLL
Persistence
- T1574.001DLL
Priv Esc
- T1055.012Process Hollowing
- T1574.001DLL
Defense Evasion
- T1055.012Process Hollowing
- T1574.001DLL
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects trusted Windows utilities loading propsys or batmeter DLLs from ProgramData or the Public directory. The Dohdoor campaign sideloads its payload through living-off-the-land binaries such as OpenWith and mblctr running from unusual paths. A signed utility loading a system-named DLL from a writable directory is a strong sideloading indicator.

Reporting behind it

Related detections9 linkedT1574.001 — drag to rearrange

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Suspicious AtlasRAT Loader Artifacts in Public Documents (via file_event)

Suspicious Commonly-Hijacked DLL Loaded From a User-Writable Path (via image_load)

Malicious DLL Sideloading via LOLBins from ProgramData by Dohdoor

Pivot detection · T1574.001 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

Full detection rule

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