Detection rules › Sigma

Execution DLL of Choice Using WAB.EXE

Severity
high
Author
oscd.community, Natalia Shornikova
Source
upstream

This rule detects that the path to the DLL written in the registry is different from the default one. Launched WAB.exe tries to load the DLL from Registry.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

TargetObject|endswith: '\Software\Microsoft\WAB\DLLPath'

Stage 2: not filter

Details: '%CommonProgramFiles%\System\wab32.dll'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Detailseq
  • %CommonProgramFiles%\System\wab32.dll
TargetObjectends_with
  • \Software\Microsoft\WAB\DLLPath