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 bee...

New CherryLoader Malware Mimics CherryTree to Deploy PrivEsc Exploits

A new Go-based malware loader called CherryLoader has been discovered by threat hunters in the wild to deliver additional payloads onto compromised hosts for follow-on exploitation. Arctic Wolf Labs, which discovered the new attack tool in two recent intrusions, said the loader's icon and name...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

Skrull - A Malware DRM, That Prevents Automatic Sample Submission By AV/EDR And Signature Scanning From Kernel

Skrull is a malware DRM, that prevents Automatic Sample Submission by AV/EDR and Signature Scanning from Kernel. It generates launchers that can run malware on the victim using the Process Ghosting technique. Also, launchers are totally anti-copy and naturally broken when got submitted. It's a...

Researchers Uncover 'Process Ghosting' — A New Malware Evasion Technique

Cybersecurity researchers have disclosed a new executable image tampering attack dubbed "Process Ghosting" that could be potentially abused by an attacker to circumvent protections and stealthily run malicious code on a Windows system. "With this technique, an attacker can write a piece of malwar...