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Detectioncriticaltest

Potential DCOM InternetExplorer.Application DLL Hijack - Image Load

Detects potential DLL hijack of "iertutil.dll" found in the DCOM InternetExplorer.Application Class

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Launch
Roberto Rodriguez (Cyb3rWard0g), Open Threat Research (OTR), waggaCreated Mon Oct 12Updated Sun Dec 18f354eba5-623b-450f-b073-0b5b2773b6aawindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic1 selector
detection:
    selection:
        Image|endswith: '\Internet Explorer\iexplore.exe'
        ImageLoaded|endswith: '\Internet Explorer\iertutil.dll'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
threathunterplaybook.com
MITRE ATT&CK
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Potential DCOM InternetExplorer.Application DLL Hijack

Detects potential DLL hijack of "iertutil.dll" found in the DCOM InternetExplorer.Application Class over the network

Detects similar activity. Both rules may fire on overlapping events.

Rule Metadata
Rule ID
f354eba5-623b-450f-b073-0b5b2773b6aa
Status
test
Level
critical
Type
Detection
Created
Mon Oct 12
Modified
Sun Dec 18
Author
Roberto Rodriguez (Cyb3rWard0g), Open Threat Research (OTR), wagga
Path
rules/windows/image_load/image_load_iexplore_dcom_iertutil_dll_hijack.yml
Raw Tags
attack.lateral-movementattack.t1021.002attack.t1021.003
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