The npm package dolyame-ui-controlgroup version 35.8.1 contains malicious code that downloads and executes a native binary from obfuscated and suspicious external hosts. This binary is written to a temporary file with a hidden name, given executable permissions, and executed detached from the main process. The package uses runtime string assembly and dynamic property access to evade detection. The malicious payload activates even if certain require calls are removed, indicating deliberate evasion techniques.