Ransomexx analysis. 1 day ago · We examine the evolution of the PipeMagic backdoor and the TTPs of its operators – from the RansomExx incident in 2022 to attacks in Brazil and Saudi Arabia, and the exploitation of CVE-2025-29824 in 2025. Investigations on RansomExx focus on the Windows variant which can be classified as ‘files malware’ because it is reflectively loaded and executed in memory without touching the disk. exx” string that can be seen hard coded in the binary. Mar 23, 2022 · RansomExx, sometimes referred to as Defray777 and Ransom X, is a ransomware variant that encrypts files and demands a large sum of cryptocurrency for their decryption. In September 2024, we Nov 22, 2022 · A variant of the RansomExx ransomware has been rewritten in the Rust programming language, joining a growing trend of ransomware developers switching to the language. Aug 7, 2025 · RansomEXX campaigns have used Vatet Loader, PyXie RAT, Cobalt Strike, TrickBot, IcedID, Mimikatz, and LaZagne to carry out the infection process. The ransomware avoids infecting files with specific extensions and names or those located in certain file paths. The exploit for this vulnerability was executed by the PipeMagic malware, which Kaspersky researchers first discovered in December 2022 in a RansomExx ransomware campaign. Once the malware is executed, RansomExx will decrypt necessary string 1 day ago · In April 2025, Microsoft patched 121 vulnerabilities in its products. Analysis shows the malware reveals indicative information such as the “ransome. RansomExx is a ransomware family that targeted multiple companies starting in mid-2020. Each file is appended with a header containing information encrypted with an RSA public key — such as the AES key and IV values — so that they can be decrypted. Read more on this discovery from IBM Security X-Force researchers. As with many other contemporary ransomware families, RansomExx incidents typically involve a data theft component. com Jan 20, 2021 · This article delivers specific details on RansomExx and how this piece of malware works, and provides some lines of how to prevent ransomware attacks in general. This analysis focuses on the Windows variant of RansomEXX, which can be classified as fileless malware because it is reflectively loaded and executed in memory without touching the disk. See full list on sentinelone. It shares commonalities with Defray777. Ransomexx Parsing : Enabled Description RansomExx is a ransomware family that targeted multiple companies starting in mid-2020. . According to the company, only one of them was being used in real-world attacks at the time the patch was released: CVE-2025-29824. Sep 30, 2021 · Ransomware Analysis Summary RansomEXX has the ability to recursively encrypt files in a list of provided directories using symmetric encryption (AES-CBC). mdi gugaj oshub fxajrtkp ekleghw qhomkl ujmyid krndz uznme bqgmnuui