Analysis
- user interaction
yes - max time kernel
193s - max time network
189s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
31/08/2026, 12:19
General
- Target teeezt.exe
- Size 2.0MB
- Sample260831-phkhjs1fmd
- SHA256 89e2e31cd71c6b7d907a95d43c82335be305ce3f9aa753db26e3704b406d0c16
Score
10/10
Malware Config
Signatures
- Family: SiriusRAT
SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.
- Detects SiriusRAT 1 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\teeezt.exe"C:\Users\Admin\AppData\Local\Temp\teeezt.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Microsoft\svchost.exeC:\ProgramData\Microsoft\svchost.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
-
-
C:\ProgramData\Microsoft\svchost.exeC:\ProgramData\Microsoft\svchost.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
svchost.exe