InnaputRAT

InnaputRAT is a remote access tool that can exfiltrate files from a victim’s machine. InnaputRAT has been seen out in the wild since 2016. [1]

ID: S0259
Type: MALWARE
Platforms: Windows
Version: 1.1
Created: 17 October 2018
Last Modified: 20 March 2020

Techniques Used

Domain ID Name Use
Enterprise T1036 .004 伪装: Masquerade Task or Service

InnaputRAT variants have attempted to appear legitimate by adding a new service named OfficeUpdateService.[1]

.005 伪装: Match Legitimate Name or Location

InnaputRAT variants have attempted to appear legitimate by using the file names SafeApp.exe and NeutralApp.exe.[1]

Enterprise T1543 .003 创建或修改系统进程: Windows Service

Some InnaputRAT variants create a new Windows service to establish persistence.[1]

Enterprise T1547 .001 启动或登录自动启动执行: Registry Run Keys / Startup Folder

Some InnaputRAT variants establish persistence by modifying the Registry key HKU\\Software\Microsoft\Windows\CurrentVersion\Run:%appdata%\NeutralApp\NeutralApp.exe.[1]

Enterprise T1059 .003 命令与脚本解释器: Windows Command Shell

InnaputRAT launches a shell to execute commands on the victim’s machine.[1]

Enterprise T1083 文件和目录发现

InnaputRAT enumerates directories and obtains file attributes on a system.[1]

Enterprise T1106 本机API

InnaputRAT uses the API call ShellExecuteW for execution.[1]

Enterprise T1027 混淆文件或信息

InnaputRAT uses an 8-byte XOR key to obfuscate API names and other strings contained in the payload.[1]

Enterprise T1070 .004 移除指标: File Deletion

InnaputRAT has a command to delete files.[1]

Enterprise T1082 系统信息发现

InnaputRAT gathers volume drive information and system information.[1]

References