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Recorded Future

GrayCharlie Hijacks Law Firm Sites in Suspected Supply-Chain Attack

By Insikt Group®

Excerpt

Executive Summary

Insikt Group has been monitoring GrayCharlie, a threat actor overlapping with SmartApeSG and active since mid-2023, for some time, and is now publishing its first report on the group. GrayCharlie compromises WordPress sites and injects them with links to externally hosted JavaScript that redirects visitors to NetSupport RAT payloads

delivered via fake browser update pages or ClickFix mechanisms. These infections often progress to the

deployment of Stealc and SectopRAT. Insikt Group identified a large amount of infrastructure linked to

GrayCharlie, primarily tied to MivoCloud and HZ Hosting Ltd. This includes NetSupport RAT command-and-control (C2…

The opening of the report, shown for reference. The full report, with its figures and indicators, is published by Recorded Future on recordedfuture.com.

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