Analysis
- user interaction
yes - max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
12/10/2026, 08:32
General
- Target MpDefenderCoreService.exe
- Size 81KB
- Sample261012-kfglnaac74
- SHA256 6350a1a55266a59a3b42df55897e7ce3781dc56e89c533ab72bf9f1361ef37a0
Malware Config
Signatures
- Family: SentinelRAT
SentinelRAT is a Windows remote access tool written in C#.
- Detects SentinelRAT payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MpDefenderCoreService.exe"C:\Users\Admin\AppData\Local\Temp\MpDefenderCoreService.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive/2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RtkAudUService64.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RtkAudUService64.vbs
__PSScriptPolicyTest_e21wzpfl.iu5.psm1
memory/1028-8-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-11-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-4-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-5-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-6-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-7-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-0-0x00007FF863C6F000-0x00007FF863C70000-memory.dmp
memory/1028-9-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-10-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-1-0x000002382A2E0000-0x000002382A2FA000-memory.dmp
memory/1028-12-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-13-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-41-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-40-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-3-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-2-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/1028-39-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-34-0x00000228FCBC0000-0x00000228FCC72000-memory.dmp
memory/5516-29-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-30-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-19-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-33-0x00000228FCBA0000-0x00000228FCBBE000-memory.dmp
memory/5516-27-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-28-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-37-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-38-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-35-0x00000228FC970000-0x00000228FC97A000-memory.dmp
memory/5516-20-0x00000228E4360000-0x00000228E4382000-memory.dmp
memory/5516-16-0x00007FF863AE0000-0x00007FF864484000-memory.dmp
memory/5516-42-0x00007FF863AE0000-0x00007FF864484000-memory.dmp