Analysis

  • user interaction
    yes
  • max time kernel
    599s
  • max time network
    596s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 09:13

General

  • Target
    stager.exe
  • Size 9.1MB
  • Sample260624-k6tznsbs8n
  • SHA256 b6b485fec670694af2ef67d3663fe8afca9638d631090cf620b1e1fb2ae4cf40
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Downloads MZ/PE file 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 54 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 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\stager.exe
    "C:\Users\Admin\AppData\Local\Temp\stager.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6272
    • C:\Users\Admin\AppData\Local\Temp\stager.exe
      "C:\Users\Admin\AppData\Local\Temp\stager.exe"
      2⤵
      • Downloads MZ/PE file
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:6048
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /create /tn "WindowsHealthService" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe" /sc onlogon /ru SYSTEM /f"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "WindowsHealthService" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe" /sc onlogon /ru SYSTEM /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4248
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "$action = New-ScheduledTaskAction -Execute \"C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe\"\n$trigger = New-ScheduledTaskTrigger -Daily -At \"03:00AM\"\n$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries\nRegister-ScheduledTask -TaskName \"WindowsHealthWatchdog\" -Action $action -Trigger $trigger -Settings $settings -Force\n"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5124
      • C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5072
        • C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:6308
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4796
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:720
          • C:\Windows\explorer.exe
            explorer.exe
            5⤵
            • Modifies registry class
            PID:2264
          • C:\Windows\explorer.exe
            explorer.exe
            5⤵
            • Modifies registry class
            PID:3504
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4448
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2436
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -WindowStyle Hidden -Command "Start-Sleep -Seconds 2; Remove-Item -Path \"C:\Users\Admin\AppData\Local\Temp\stager.exe\" -Force -ErrorAction SilentlyContinue; while (Test-Path \"C:\Users\Admin\AppData\Local\Temp\stager.exe\") { Start-Sleep -Seconds 1; Remove-Item \"C:\Users\Admin\AppData\Local\Temp\stager.exe\" -Force -ErrorAction SilentlyContinue }"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Deletes itself
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4560
  • C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:6744
    • C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\SysHealth\svchost.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:6840
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2944
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5736

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 4e9379ae885c9cc347a5e74d86d24bbab2a8922017ebf83e3258af2688d2831c
          • MD5 SHA1 SHA512 TLSH

          qt_help_en.qm

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI50722\PyQt5\Qt5\translations\qt_help_en.qm
          • Size 16B
          • SHA256 9959b510b15d18937848ad13007e30459d2e993c67e564badbfc18f935695c85
          • MD5 SHA1 SHA512

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_bz2.pyd
          • Size 85KB
          • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_ctypes.pyd
          • Size 139KB
          • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_hashlib.pyd
          • Size 67KB
          • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_lzma.pyd
          • Size 157KB
          • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_socket.pyd
          • Size 85KB
          • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_ssl.pyd
          • Size 180KB
          • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _zstd.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\_zstd.pyd
          • Size 491KB
          • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\base_library.zip
          • Size 1.3MB
          • SHA256 554be58ce748695655ab80d201ec4a5443d6b37b588d0a9b05d06c3fd2b2c56d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\libssl-3.dll
          • Size 776KB
          • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\python314.dll
          • Size 6.4MB
          • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\ucrtbase.dll
          • Size 1.3MB
          • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI62722\unicodedata.pyd
          • Size 740KB
          • SHA256 4445b894f836e89a8b9fdcc88b5e59fbc76aca805baaf40aeb69e869978d4e6d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSVCP140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\PyQt5\Qt5\bin\MSVCP140.dll
          • Size 576KB
          • SHA256 88f55d86b50b0a7e55e71ad2d8f7552146ba26e927230daf2e26ad3a971973c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSVCP140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\PyQt5\Qt5\bin\MSVCP140_1.dll
          • Size 30KB
          • SHA256 446c48c1224c289bd3080087fe15d6759416d64f4136addf30086abd5415d83f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Qt5Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\PyQt5\Qt5\bin\Qt5Core.dll
          • Size 5.7MB
          • SHA256 8d2ff4ce9096ddccc4f4cd62c2e41fc854cfd1b0d6e8d296645a7f5fd4ae565a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\PyQt5\Qt5\bin\VCRUNTIME140_1.dll
          • Size 43KB
          • SHA256 1f0f5f2ce671e0f68cf96176721df0e5e6f527c8ca9cfa98aa875b5a3816d460
          • MD5 SHA1 SHA512 SSDEEP TLSH

          QtCore.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\PyQt5\QtCore.pyd
          • Size 2.4MB
          • SHA256 d6e45fd8c3b3f93f52c4d1b6f9e3ee220454a73f80f65f3d70504bd55415ea37
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\base_library.zip
          • Size 1.3MB
          • SHA256 8b30dec23faa57bfc7d0b5898b0a81df3695a970ebf2a78e374f14db4d28dc38
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI67442\python3.DLL
          • Size 72KB
          • SHA256 be1017ca4ca8ff837efbb343d5c8f739bd67bd1c43fb41068a539b19357c0213
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_rthdxkls.p2l.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rthdxkls.p2l.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          payload_debug.txt

          • Path C:\Users\Admin\AppData\Local\Temp\payload_debug.txt
          • Size 2KB
          • SHA256 c192e571b09e8d9a622dd4930599345709b0578eff6c5ac42c8bdc1380922234
          • MD5 SHA1 SHA512 TLSH

          payload_debug.txt

          • Path C:\Users\Admin\AppData\Local\Temp\payload_debug.txt
          • Size 3KB
          • SHA256 e76f8d60bb15df906f66ccc875418a42d171a6d2a951ad21ef50aed7c6fbcfb5
          • MD5 SHA1 SHA512 TLSH

          payload_debug.txt

          • Path C:\Users\Admin\AppData\Local\Temp\payload_debug.txt
          • Size 6KB
          • SHA256 910a8c6742a856a1fdf835a4ebfddebf11d76ce45640b117867308d83e1ae634
          • MD5 SHA1 SHA512 SSDEEP TLSH

          stager_debug.txt

          • Path C:\Users\Admin\AppData\Local\Temp\stager_debug.txt
          • Size 1KB
          • SHA256 811e58f76b83ae6c8b4d613c45f0b3faf2e4a13292e1a2062fff1172a0958c0e
          • MD5 SHA1 SHA512 TLSH

          stager_debug.txt

          • Path C:\Users\Admin\AppData\Local\Temp\stager_debug.txt
          • Size 372B
          • SHA256 1647852c1e77c94e7a758bb295bc065e7927958c35adf852b868822f3e5c3d29
          • MD5 SHA1 SHA512 TLSH

          memory/3092-2511-0x00007FF893C00000-0x00007FF893E63000-memory.dmp

          memory/5124-125-0x000001DC58B30000-0x000001DC58B4E000-memory.dmp

          memory/5124-113-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-128-0x000001DC58E80000-0x000001DC58E9E000-memory.dmp

          memory/5124-130-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-118-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-117-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-116-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-115-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-114-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-127-0x000001DC58910000-0x000001DC5891A000-memory.dmp

          memory/5124-112-0x000001DC58850000-0x000001DC58872000-memory.dmp

          memory/5124-109-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-126-0x000001DC58B50000-0x000001DC58C02000-memory.dmp

          memory/5124-108-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-107-0x00007FF89AFBF000-0x00007FF89AFC0000-memory.dmp

          memory/5124-122-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-119-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-121-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/5124-120-0x00007FF89AE30000-0x00007FF89B7D4000-memory.dmp

          memory/6308-2552-0x00007FF89C810000-0x00007FF89CA73000-memory.dmp