Cruciferra Crypter Uses BYOVD and Process Ghosting to Hide Windows Malware
The China-linked cybercrime group behind the use of income tax-related phishing lures targeting Indian taxpayers, tax professionals, and corporate finance teams has been observed using a sophisticated crypter service called Cruciferra . According to a new analysis by Proofpoint, Cruciferra has been utilized by various unrelated cybercriminal threat clusters to deliver a wide array of remote access trojans (RATs) and information stealer malware. "Cruciferra is written in Mono and features numerous techniques designed to evade detection, analysis, and incident response efforts," the enterprise security company said in an analysis published last week. "These include using indirect system calls, API and Import Address Table (IAT) unhooking, bring-your-own-vulnerable-driver ( BYOVD )-based EDR tampering, privilege escalation, persistence mechanisms, and a customized implementation of Process Ghosting used to execute payloads while minimizing forensic artifacts."...
î ‚Jul 27, 2026