Analysis

  • max time kernel
    12s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 22:08

General

  • Target
    SentinelClient434.exe
  • Size 80KB
  • Sample260804-12qpfs1fmb
  • SHA256 fc7ddf6fbf5a81760f22d07ffcf7879177d8da8a8a42b4a9763f3c893f1276d6
  • MD5 SHA1 SHA512 SSDEEP TLSH

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 1 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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\SentinelClient434.exe
    "C:\Users\Admin\AppData\Local\Temp\SentinelClient434.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3148
    • 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
      PID:4508
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /Delete /TN "Sentinel" /F
      2⤵
        PID:2396
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks.exe" /Create /SC ONLOGON /TN "Sentinel" /TR "C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe" /RL HIGHEST /F
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5676
      • C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe
        "C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe"
        2⤵
        • Executes dropped EXE
        PID:4276
        • 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
          PID:4408
        • 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.
          PID:3960
    • C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe
      C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe
      1⤵
        PID:4144

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 df5de984121ab9eb702c2ef1c0716750e770551b5a5551fee347941d5bdfab01
            • MD5 SHA1 SHA512 TLSH

            Steam.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\Steam.vbs
            • Size 2KB
            • SHA256 349226b5cc3de1466c23ce38b82d5d8b339993c137ca673d7ba200e43de2c053
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_ilpw54a1.lrp.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilpw54a1.lrp.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            EpicWebHelper.exe

            • Path C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe
            • Size 80KB
            • SHA256 fc7ddf6fbf5a81760f22d07ffcf7879177d8da8a8a42b4a9763f3c893f1276d6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/3148-5-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-11-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-6-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-7-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-8-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-9-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-10-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-4-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-12-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-13-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-14-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-3-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-2-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/3148-1-0x00000242E24A0000-0x00000242E24BA000-memory.dmp

            memory/3148-0-0x00007FFE66FBF000-0x00007FFE66FC0000-memory.dmp

            memory/3148-30-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-20-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-23-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-24-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-25-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-26-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-28-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-22-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-27-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-21-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-34-0x0000025D55E50000-0x0000025D55E6E000-memory.dmp

            memory/4508-35-0x0000025D56120000-0x0000025D561D2000-memory.dmp

            memory/4508-36-0x0000025D55E70000-0x0000025D55E7A000-memory.dmp

            memory/4508-18-0x0000025D55DB0000-0x0000025D55DD2000-memory.dmp

            memory/4508-19-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-52-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp

            memory/4508-15-0x00007FFE66E30000-0x00007FFE677D4000-memory.dmp