Detectionhighexperimental
Suspicious Loading of Dbgcore/Dbghelp DLLs from Uncommon Location
Detects loading of dbgcore.dll or dbghelp.dll from uncommon locations such as user directories. These DLLs contain the MiniDumpWriteDump function, which can be abused for credential dumping purposes or in some cases for evading EDR/AV detection by suspending processes.
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Launch
Swachchhanda Shrawan Poudel (Nextron Systems)Created Thu Nov 27Updated Fri Jan 09416bc4a2-7217-4519-8dc7-c3271817f1d5windows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic2 selectors
detection:
selection_img:
Image|contains:
- ':\Perflogs\'
- ':\Temp\'
- ':\Users\Public\'
- '\$Recycle.Bin\'
- '\Contacts\'
# - '\Desktop\'
- '\Documents\'
# - '\Downloads\'
- '\Favorites\'
- '\Favourites\'
- '\inetpub\wwwroot\'
- '\Music\'
- '\Pictures\'
- '\Start Menu\Programs\Startup\'
- '\Users\Default\'
- '\Videos\'
# - '\AppData\Local\Temp\' some installers may load from here
selection_dll:
ImageLoaded|endswith:
- '\dbgcore.dll'
- '\dbghelp.dll'
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Techniques
Sub-techniques
Rule Metadata
Rule ID
416bc4a2-7217-4519-8dc7-c3271817f1d5
Status
experimental
Level
high
Type
Detection
Created
Thu Nov 27
Modified
Fri Jan 09
Path
rules/windows/image_load/image_load_win_susp_dbgcore_dbghelp_load.yml
Raw Tags
attack.credential-accessattack.t1003attack.defense-evasionattack.t1562.001