APT / THREAT GROUP
DeliveryCheck
4
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to CERT-UA, this malware makes use of XSLT (Extensible Stylesheet Language Transformations) and COM-hijacking. Its specificity is the presence of a server part, which is usually installed on compromised MS Exchange servers in the form of a MOF (Managed Object Format) file using the Desired State Configuration (DCS) PowerShell tool), effectively turning a legitimate server into a malware control center.
Threat Analysis
DeliveryCheck is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
External References
Quick Facts
TypeAPT / Threat Group
Aliases4
Also Known As
GAMEDAYDeliveryCheckwin.delivery_checkCAPIBAR
External Intelligence
Malpedia: win.delivery_checkResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.