Analysis
- user interaction
yes - max time kernel
1799s - max time network
1800s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
13/08/2026, 12:50
General
- Target SentinelClient.exe
- Size 80KB
- Sample260813-p3bfdahn2x
- SHA256 cba6dcd8fb5b21f8c5cfb8ced820678f49c400c94296aa493b8fade7aa774391
Malware Config
Signatures
- Family: SentinelRAT
SentinelRAT is a Windows remote access tool written in C#.
- Detects SentinelRAT payload 2 IoCs
- Modifies firewall policy service 3 TTPs 1 IoCs
- UAC bypass 3 TTPs 1 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.
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 2 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.
- 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).
- Modifies registry class 1 IoCs
- 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 64 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- System policy modification 1 TTPs 1 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
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C:\Users\Admin\AppData\Local\Temp\SentinelClient.exe"C:\Users\Admin\AppData\Local\Temp\SentinelClient.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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C:\Users\Admin\AppData\Roaming\cachetracker\systemCryptsystem.exe"C:\Users\Admin\AppData\Roaming\cachetracker\systemCryptsystem.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Checks whether UAC is enabled
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /delete /tn "SecurityUpdater" /f3⤵
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "SecurityUpdater" /tr "'C:\Users\Admin\AppData\Roaming\cachetracker\systemCryptsystem.exe'" /sc minute /mo 5 /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Security.vbs"3⤵
- Executes a VBScript file via the Windows Script Host.
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C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\LocalBridge.exe"C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe\LocalBridge.exe" /InvokerPRAID: Microsoft.MicrosoftOfficeHub notifications1⤵
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
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
Security.vbs
__PSScriptPolicyTest_nibookf3.ghc.ps1
systemCryptsystem.exe
memory/692-64-0x0000024254940000-0x0000024254954000-memory.dmp
memory/692-63-0x0000024254AA0000-0x0000024254B48000-memory.dmp
memory/692-61-0x0000024251DA0000-0x0000024251DA8000-memory.dmp
memory/692-59-0x0000024237B00000-0x0000024237B2C000-memory.dmp
memory/692-60-0x0000024251D70000-0x0000024251D7A000-memory.dmp
memory/2248-0-0x000001DF66D90000-0x000001DF66DAA000-memory.dmp
memory/2248-1-0x000001DF6A8F0000-0x000001DF6A900000-memory.dmp
memory/3164-27-0x00000218FD9D0000-0x00000218FD9EC000-memory.dmp
memory/3164-26-0x00000218FD760000-0x00000218FD76A000-memory.dmp
memory/3164-29-0x00000218FDA10000-0x00000218FDA2A000-memory.dmp
memory/3164-36-0x00000218FD9C0000-0x00000218FD9C8000-memory.dmp
memory/3164-37-0x00000218FD9F0000-0x00000218FD9F6000-memory.dmp
memory/3164-38-0x00000218FDA00000-0x00000218FDA0A000-memory.dmp
memory/3164-44-0x00000218FD2C0000-0x00000218FD2D0000-memory.dmp
memory/3164-28-0x00000218FD9B0000-0x00000218FD9BA000-memory.dmp
memory/3164-20-0x00000218FD7A0000-0x00000218FD853000-memory.dmp
memory/3164-19-0x00000218FD780000-0x00000218FD79C000-memory.dmp
memory/3164-12-0x00007FF44B200000-0x00007FF44B210000-memory.dmp
memory/3164-11-0x00000218FD2C0000-0x00000218FD2D0000-memory.dmp
memory/3164-10-0x00000218FD4A0000-0x00000218FD4C2000-memory.dmp
memory/3164-3-0x00000218FD2C0000-0x00000218FD2D0000-memory.dmp
memory/3164-2-0x00000218FD2C0000-0x00000218FD2D0000-memory.dmp