Analysis
- max time kernel
150s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 22:12
General
- Target SentinelClient222.exe
- Size 80KB
- Sample260804-14s8cs1fqc
- SHA256 b4528c243c555e8f67e1ceafb0ea79cabf8b536a6cd65feb74f0f30b63b7f56c
Malware Config
Signatures
- Family: SentinelRAT
SentinelRAT is a Windows remote access tool written in C#.
- Detects SentinelRAT payload 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 33 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\SentinelClient222.exe"C:\Users\Admin\AppData\Local\Temp\SentinelClient222.exe"1⤵
- Adds Run key to start application
- 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\schtasks.exe"schtasks.exe" /Delete /TN "Sentinel" /F2⤵
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /Create /SC ONLOGON /TN "Sentinel" /TR "C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe" /RL HIGHEST /F2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe"C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe"2⤵
- Executes dropped EXE
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive/3⤵
- Command and Scripting Interpreter: PowerShell
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Steam.vbs"3⤵
- Executes a VBScript file via the Windows Script Host.
-
-
-
C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exeC:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Visual Basic
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
Steam.vbs
__PSScriptPolicyTest_2qmofpmv.1mz.ps1
EpicWebHelper.exe
memory/4232-5-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-11-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-6-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-7-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-8-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-9-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-10-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-4-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-12-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-13-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-14-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-3-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-2-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4232-1-0x00007FFBD6F7F000-0x00007FFBD6F80000-memory.dmp
memory/4232-0-0x0000023770490000-0x00000237704AA000-memory.dmp
memory/4232-39-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-20-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-25-0x00000150356B0000-0x0000015035762000-memory.dmp
memory/4792-26-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-27-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-28-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-29-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-30-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-31-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-32-0x0000015035670000-0x000001503567A000-memory.dmp
memory/4792-33-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-34-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-35-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-24-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-38-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-23-0x0000015035690000-0x00000150356AE000-memory.dmp
memory/4792-19-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-18-0x00007FFBD6DF0000-0x00007FFBD7794000-memory.dmp
memory/4792-17-0x0000015035560000-0x0000015035582000-memory.dmp