7/15/2023 0 Comments Registry key for startup time![]() ![]() HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders.HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders.HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders.Similarly, the registry keys that are used to launch programs or set folder items for persistence are: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce.HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run.HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce.HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run. ![]() While there are several registry keys that can be used, the most commonly abused are the default keys on a Windows system, specifically: Similarly, advanced persistent threats such as APT39, APT41, FIN7, and Gamareddon Group have all been shown to use registry run keys or the startup folder to establish persistence.Īnd even more generic malware, such as Emotet, Hancitor, and IcedID have all used this technique multiple times. For example, the Ryuk ransomware, which has been responsible for some of the most damaging attacks globally, has utilized registry run keys to establish persistence. Persistence using registry run keys, or the startup f older are probably the two most common forms of persistence malware and adversaries use. Persistence, when talking about technique T1547.001, is the modification of specific registry keys and values in order to have a n executable, command, or script run every time the system is rebooted. Similarly, the s tartup f older corresponds to a series of registry keys that will execute files in specific locations on start up. In addition, registry run keys can also point directly at executable files, allowing specific programs (and DLL files) to be executed at start up. These keys allow specific settings or configurations to be loaded automatically. Registry run keys are very specific keys in the Windows registry that are invoked during system start up. What are Registry Run Keys / Startup Folder? However, perhaps the most common forms of persistence an adversary may try to utilize are, Registry Run Keys and the Startup Folder (MITRE ATT
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