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S0098 T9000

T9000 is a backdoor that is a newer variant of the T5000 malware family, also known as Plat1. Its primary function is to gather information about the victim. It has been used in multiple targeted attacks against U.S.-based organizations. 1 2

Item Value
ID S0098
Associated Names
Version 1.1
Created 31 May 2017
Last Modified 31 March 2020
Navigation Layer View In ATT&CK® Navigator

Techniques Used

Domain ID Name Use
enterprise T1560 Archive Collected Data -
enterprise T1560.003 Archive via Custom Method T9000 encrypts collected data using a single byte XOR key.2
enterprise T1123 Audio Capture T9000 uses the Skype API to record audio and video calls. It writes encrypted data to %APPDATA%\Intel\Skype.2
enterprise T1119 Automated Collection T9000 searches removable storage devices for files with a pre-defined list of file extensions (e.g. * .doc, .ppt, .xls, .docx, .pptx, *.xlsx). Any matching files are encrypted and written to a local user directory.2
enterprise T1546 Event Triggered Execution -
enterprise T1546.010 AppInit DLLs If a victim meets certain criteria, T9000 uses the AppInit_DLL functionality to achieve persistence by ensuring that every user mode process that is spawned will load its malicious DLL, ResN32.dll. It does this by creating the following Registry keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs – %APPDATA%\Intel\ResN32.dll and HKLM\Software\Microsoft\Windows NT\CurrentVersion\Windows\LoadAppInit_DLLs – 0x1.2
enterprise T1574 Hijack Execution Flow -
enterprise T1574.002 DLL Side-Loading During the T9000 installation process, it drops a copy of the legitimate Microsoft binary igfxtray.exe. The executable contains a side-loading weakness which is used to load a portion of the malware.2
enterprise T1120 Peripheral Device Discovery T9000 searches through connected drives for removable storage devices.2
enterprise T1113 Screen Capture T9000 can take screenshots of the desktop and target application windows, saving them to user directories as one byte XOR encrypted .dat files.2
enterprise T1518 Software Discovery -
enterprise T1518.001 Security Software Discovery T9000 performs checks for various antivirus and security products during installation.2
enterprise T1082 System Information Discovery T9000 gathers and beacons the operating system build number and CPU Architecture (32-bit/64-bit) during installation.2
enterprise T1016 System Network Configuration Discovery T9000 gathers and beacons the MAC and IP addresses during installation.2
enterprise T1033 System Owner/User Discovery T9000 gathers and beacons the username of the logged in account during installation. It will also gather the username of running processes to determine if it is running as SYSTEM.2
enterprise T1124 System Time Discovery T9000 gathers and beacons the system time during installation.2
enterprise T1125 Video Capture T9000 uses the Skype API to record audio and video calls. It writes encrypted data to %APPDATA%\Intel\Skype.2


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