The intrusion took place in May 2024, when a user executed a malicious JavaScript file. This JavaScript file has been previously reported as associated with the Lunar Spider initial access group by EclecticIQ. The heavily obfuscated file, masquerading as a legitimate tax form, contained only a small amount of executable code dispersed among extensive filler content used for evasion. The JavaScript payload triggered the download of a MSI package, which deployed a Brute Ratel DLL file using rundll32.