Analysis

  • user interaction
    yes
  • max time kernel
    598s
  • max time network
    385s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/04/2026, 16:06

General

  • Target
    Celestial.exe
  • Size 19.1MB
  • Sample260425-tkd6rsfv2r
  • SHA256 d1727d7f05c28a2ba1b978f421f9020031e9a2eee2bdcd9ee9a56228e7e4a988
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Celestial.exe
    "C:\Users\Admin\AppData\Local\Temp\Celestial.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:4684
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3816
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3312
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -C "Add-MpPreference -ExclusionExtension '.exe' -EA 0"
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:320
        • C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe
          "C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe"
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3684
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command " $action = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe' $trigger = New-ScheduledTaskTrigger -AtLogOn Register-ScheduledTask -Action $action -Trigger $trigger -TaskName 'CoreWorker_UjiTYhaLKpjIiWL-458' -RunLevel Highest "
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2064
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1272
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MpDefenderCoreFolder'"
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious use of AdjustPrivilegeToken
              PID:4204
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C timeout /t 4 /nobreak >nul & Del "C:\Users\Admin\AppData\Local\Temp\Celestial.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Windows\system32\timeout.exe
            timeout /t 4 /nobreak
            3⤵
            • Delays execution with timeout.exe
            PID:4316
      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
        1⤵
          PID:3924
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:3928
          • C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe
            C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe
            1⤵
            • Executes dropped EXE
            PID:4252

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 2KB
                • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                • MD5 SHA1 SHA512 TLSH

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 948B
                • SHA256 b62bfbcf935d19079f0ed75da01f4acf5faa124a44580c74e18623c183668499
                • MD5 SHA1 SHA512 TLSH

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 f1320df712bf0d218f62a481ea318abfaba12a6465f9d2e07a6ead9d9bd28d9f
                • MD5 SHA1 SHA512 TLSH

                CoreWorker_UjiTYhaLKpjIiWL.exe

                • Path C:\Users\Admin\AppData\Local\MpDefenderCoreFolder\CoreWorker_UjiTYhaLKpjIiWL.exe
                • Size 13KB
                • SHA256 bc6511281d835b9f71cc393e7cd0e280eaeaf20fb8fbbba309d0857db7d307fd
                • MD5 SHA1 SHA512 SSDEEP TLSH

                __PSScriptPolicyTest_idr3vgwm.rn4.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_idr3vgwm.rn4.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512 TLSH

                memory/320-34-0x00000264391C0000-0x00000264391E2000-memory.dmp

                memory/2944-16-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-26-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-9-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-10-0x000001F02D4A0000-0x000001F02D9C8000-memory.dmp

                memory/2944-11-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-12-0x000001F02CF70000-0x000001F02D161000-memory.dmp

                memory/2944-13-0x000001F02DBD0000-0x000001F02DDC0000-memory.dmp

                memory/2944-15-0x000001F02C8A0000-0x000001F02C8B2000-memory.dmp

                memory/2944-0-0x000001F012490000-0x000001F0125B3000-memory.dmp

                memory/2944-2-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-3-0x000001F02C8D0000-0x000001F02C9F2000-memory.dmp

                memory/2944-4-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-21-0x000001F02CB40000-0x000001F02CB90000-memory.dmp

                memory/2944-23-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-24-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-25-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-8-0x000001F02C7A0000-0x000001F02C7B0000-memory.dmp

                memory/2944-7-0x000001F02C7B0000-0x000001F02C826000-memory.dmp

                memory/2944-6-0x000001F02CBC0000-0x000001F02CD82000-memory.dmp

                memory/2944-5-0x000001F013E60000-0x000001F013E61000-memory.dmp

                memory/3684-52-0x000001EEE2730000-0x000001EEE273A000-memory.dmp

                memory/3816-19-0x000001F7A3190000-0x000001F7A31AE000-memory.dmp

                memory/3816-17-0x000001F7A3120000-0x000001F7A3130000-memory.dmp

                memory/4684-18-0x000001C052440000-0x000001C052450000-memory.dmp