fix: Avoid issues when some config fields are not set
fix: Avoid issues when some config fields are not set

VirusTotal/misp-modules,MISP/misp-modules,MISP/misp-modules,amuehlem/misp-modules,amuehlem/misp-modules,amuehlem/misp-modules,VirusTotal/misp-modules,VirusTotal/misp-modules,MISP/misp-modules