GrayCharlie is a threat actor that compromises WordPress sites to inject malicious JavaScript, redirecting visitors to NetSupport RAT payloads via fake browser update pages or ClickFix mechanisms. Insikt Group has identified extensive infrastructure linked to GrayCharlie, primarily associated with MivoCloud and HZ Hosting Ltd., including command-and-control servers and staging infrastructure. The group employs two primary attack chains to deliver the NetSupport RAT, utilizing both fake updates and ClickFix techniques. GrayCharlie targets organizations worldwide, with a particular focus on the US, and has shown persistent behavior in its operations since its emergence in 2023.
The same group is tracked under different names by different vendors.
| Vendor | Name |
|---|---|
| Various | GrayCharlie |
No techniques mapped yet.
No IOCs extracted yet from reports naming this actor.
Every report in the Global Intel Library that names GrayCharlie, newest first. Open any report to see the full analysis with provenance.
No reports in the Lore library name this actor yet.
Indicators from free threat feeds (abuse.ch ThreatFox, AlienVault OTX) attributed to GrayCharlie. Each row shows why it was linked and where it came from.
No feed indicators linked to this actor yet. Feeds are checked every hour.
Open-source reports about this actor collected from MISP Galaxy.