The 2023 3CXDesktopApp compromise is presented as a software supply-chain intrusion that Mandiant, Kaspersky, and other researchers later linked to North Korea’s Lazarus Group. The breach followed an earlier compromise of the X_Trader financial trading application, and the attackers used the 3CX incident to reach selected customers in the cryptocurrency sector. ReversingLabs found tampering in the application build, including RC4-encrypted shellcode appended to d3dcompiler.dll, modified ffmpeg execution, and use of tools such as SigFlip and SigLoader. The case matters because it shows how a compromised development pipeline can turn trusted enterprise software into a delivery path for targeted cryptocurrency-sector access.