Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 01:47

General

  • Target
    2026-08-06_26d62c1cedba3cb556d90458c0defbf5_amadey_coinminer_dosia_frostygoop_glassworm_hive_knight_.exe
  • Size 14.4MB
  • Sample260806-b72aps1dmb
  • SHA256 4d6b422963811adb65620efe279c5293df40aad0ba517dd4e5c50c2d37aebd57
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Detects videocard installed 1 TTPs 5 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 27 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

  • C:\Users\Admin\AppData\Local\Temp\2026-08-06_26d62c1cedba3cb556d90458c0defbf5_amadey_coinminer_dosia_frostygoop_glassworm_hive_knight_.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_26d62c1cedba3cb556d90458c0defbf5_amadey_coinminer_dosia_frostygoop_glassworm_hive_knight_.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Modifies Windows Defender Real-time Protection settings
    • Windows security bypass
    • Creates a file in the Startup directory
    • Windows security modification
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\memreduct-3.5.2-setup.exe
      C:\Users\Admin\AppData\Local\Temp\memreduct-3.5.2-setup.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe
        "C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe" /SkipSelfUpdate /SunValley
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:5888
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "exit 0"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Windows\system32\schtasks.exe
      schtasks /Create /TN WinHostSvcLogon /TR \"C:\ProgramData\WinHostSvc\winhostsvc.exe\" /SC ONLOGON /RL HIGHEST /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1672
    • C:\Windows\system32\schtasks.exe
      schtasks /Create /TN WinHostSvcBoot /TR \"C:\ProgramData\WinHostSvc\winhostsvc.exe\" /SC ONSTART /RU SYSTEM /RL HIGHEST /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3240
    • C:\ProgramData\WinHostSvc\winhostsvc.exe
      C:\ProgramData\WinHostSvc\winhostsvc.exe -cleanup-source C:\Users\Admin\AppData\Local\Temp\2026-08-06_26d62c1cedba3cb556d90458c0defbf5_amadey_coinminer_dosia_frostygoop_glassworm_hive_knight_.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5232
      • C:\ProgramData\WinHostSvc\winhostsvc.exe
        C:\ProgramData\WinHostSvc\winhostsvc.exe -watchdog 5232
        3⤵
        • Executes dropped EXE
        PID:3380
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name,LoadPercentage /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
      • C:\Windows\System32\Wbem\wmic.exe
        wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4872
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path Win32_VideoController get Name,AdapterRAM /value
        3⤵
        • Detects videocard installed
        • Suspicious behavior: EnumeratesProcesses
        PID:5660
      • C:\Windows\System32\Wbem\wmic.exe
        wmic diskdrive get Model,InterfaceType,MediaType,Size /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:480
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name,LoadPercentage /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2704
      • C:\Windows\System32\Wbem\wmic.exe
        wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2980
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path Win32_VideoController get Name,AdapterRAM /value
        3⤵
        • Detects videocard installed
        • Suspicious behavior: EnumeratesProcesses
        PID:3376
      • C:\Windows\System32\Wbem\wmic.exe
        wmic diskdrive get Model,InterfaceType,MediaType,Size /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4444
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name,LoadPercentage /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4140
      • C:\Windows\System32\Wbem\wmic.exe
        wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:6084
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path Win32_VideoController get Name,AdapterRAM /value
        3⤵
        • Detects videocard installed
        • Suspicious behavior: EnumeratesProcesses
        PID:6052
      • C:\Windows\System32\Wbem\wmic.exe
        wmic diskdrive get Model,InterfaceType,MediaType,Size /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2336
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name,LoadPercentage /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3056
      • C:\Windows\System32\Wbem\wmic.exe
        wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /value
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5740
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path Win32_VideoController get Name,AdapterRAM /value
        3⤵
        • Detects videocard installed
        • Suspicious behavior: EnumeratesProcesses
        PID:4936
      • C:\Windows\System32\Wbem\wmic.exe
        wmic diskdrive get Model,InterfaceType,MediaType,Size /value
        3⤵
          PID:5380
        • C:\Windows\System32\Wbem\wmic.exe
          wmic cpu get Name,LoadPercentage /value
          3⤵
            PID:5920
          • C:\Windows\System32\Wbem\wmic.exe
            wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /value
            3⤵
              PID:4860
            • C:\Windows\System32\Wbem\wmic.exe
              wmic path Win32_VideoController get Name,AdapterRAM /value
              3⤵
              • Detects videocard installed
              PID:4328
            • C:\Windows\System32\Wbem\wmic.exe
              wmic diskdrive get Model,InterfaceType,MediaType,Size /value
              3⤵
                PID:624
          • C:\ProgramData\WinHostSvc\winhostsvc.exe
            "C:\ProgramData\WinHostSvc\winhostsvc.exe"
            1⤵
            • Executes dropped EXE
            PID:3580
          • C:\ProgramData\WinHostSvc\winhostsvc.exe
            C:\ProgramData\WinHostSvc\winhostsvc.exe
            1⤵
            • Executes dropped EXE
            PID:3172

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                Windows10UpgraderApp.exe

                • Path C:\Program Files (x86)\WindowsInstallationAssistant\Windows10UpgraderApp.exe
                • Size 3.5MB
                • SHA256 3d6675649b66674a9488f399898df788e7693f7a622ba66db3ef9296c23c1953
                • MD5 SHA1 SHA512 SSDEEP TLSH

                appraiserxp.dll

                • Path C:\Program Files (x86)\WindowsInstallationAssistant\appraiserxp.dll
                • Size 364KB
                • SHA256 68c5094087050d61a4c882fae31baa7af896b82bb9c32baffa331bb6f684466b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                downloader.dll

                • Path C:\Program Files (x86)\WindowsInstallationAssistant\downloader.dll
                • Size 199KB
                • SHA256 a08c6fe5feddbb534659baf002c244c173e03aa947bc30dba1f698ff841b21a9
                • MD5 SHA1 SHA512 SSDEEP TLSH

                .defender_state

                • Path C:\ProgramData\WinHostSvc\.defender_state
                • Size 402B
                • SHA256 b70a61855df355d3c89bc48e94f685a21d2fb21833c4a36e83250926fcffb749
                • MD5 SHA1 SHA512 TLSH

                winhostsvc.exe

                • Path C:\ProgramData\WinHostSvc\winhostsvc.exe
                • Size 14.4MB
                • SHA256 4d6b422963811adb65620efe279c5293df40aad0ba517dd4e5c50c2d37aebd57
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc_errors.txt

                • Path C:\ProgramData\WinHostSvc\winhostsvc_errors.txt
                • Size 1KB
                • SHA256 ce43a6dd6ccc71aebb4a97af75ff1cccf6dcfddbab74d9ce3bf14e396e8c3629
                • MD5 SHA1 SHA512 TLSH

                winhostsvc_errors.txt

                • Path C:\ProgramData\WinHostSvc\winhostsvc_errors.txt
                • Size 2KB
                • SHA256 a61e8f22d61ced875e14f3207c5367bfcdc4d4e8a83f016253194f34da21190a
                • MD5 SHA1 SHA512 TLSH

                winhostsvc_errors.txt

                • Path C:\ProgramData\WinHostSvc\winhostsvc_errors.txt
                • Size 3KB
                • SHA256 2411ec8bf4eff8857bf2774066adec984adf7092196caf918e68de2b23be7e2f
                • MD5 SHA1 SHA512 TLSH

                winhostsvc_errors.txt

                • Path C:\ProgramData\WinHostSvc\winhostsvc_errors.txt
                • Size 5KB
                • SHA256 d10138f6304a74ef37d09627a53aeeb74c6189a98adfb4336df43359433b7e0c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc_errors.txt

                • Path C:\ProgramData\WinHostSvc\winhostsvc_errors.txt
                • Size 5KB
                • SHA256 d5e8e391e762214eb2b65341d40a35be045f6c292ec0478a60b76f0f5a1778be
                • MD5 SHA1 SHA512 SSDEEP TLSH

                EULA_en-us.htm

                • Path C:\Users\Admin\AppData\Local\Temp\WXU4397.tmp\resources\ux\EULA\EULA_en-us.htm
                • Size 68KB
                • SHA256 49aa5fe536281681d0bf933c59622910753c0ee4eb26d96f548cf4b2d752129f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                EULA_es-mx.htm

                • Path C:\Users\Admin\AppData\Local\Temp\WXU4397.tmp\resources\ux\EULA\EULA_es-mx.htm
                • Size 78KB
                • SHA256 2cd165a4c0828c814c27b1ce07c3e4d8f254cda4eb2e91cf87b242c53002f312
                • MD5 SHA1 SHA512 SSDEEP TLSH

                EULA_fr-fr.htm

                • Path C:\Users\Admin\AppData\Local\Temp\WXU4397.tmp\resources\ux\EULA\EULA_fr-fr.htm
                • Size 82KB
                • SHA256 531ae3e6ae92c7d173415fb7a3a95fdf61fb3e3fcb703a4606c9590225f03aca
                • MD5 SHA1 SHA512 SSDEEP TLSH

                oobe-desktopRS2.css

                • Path C:\Users\Admin\AppData\Local\Temp\WXU4397.tmp\resources\ux\Microsoft.WinJS\css\oobe-desktopRS2.css
                • Size 40KB
                • SHA256 c6dd0940a263382fb735f1cdc8550234f9c081625bfe2e5363cb8bb65cc06440
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memreduct-3.5.2-setup.exe

                • Path C:\Users\Admin\AppData\Local\Temp\memreduct-3.5.2-setup.exe
                • Size 4.0MB
                • SHA256 837f97852c2e8f4242cde4dbf863ed0db117082d2eebfb7c3f1f37f9b6e89758
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc-history-1772543155.sqlite

                • Path C:\Users\Admin\AppData\Local\Temp\winhostsvc-history-1772543155.sqlite
                • Size 160KB
                • SHA256 9091ac11406f559b228639a023f638aa4461083cf4151878f781b85acde0e2ba
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc-history-2652566792.sqlite

                • Path C:\Users\Admin\AppData\Local\Temp\winhostsvc-history-2652566792.sqlite
                • Size 5.0MB
                • SHA256 419ccaaa8dfff9f7d7e4116b450a2aa99977364519cc28798644017f6af93f12
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc-history-3788391261.sqlite

                • Path C:\Users\Admin\AppData\Local\Temp\winhostsvc-history-3788391261.sqlite
                • Size 224KB
                • SHA256 53989f3e363c23980ab2a8571ba0b43ca8e63679215dd29c12daf46e9db15128
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc_errors.txt

                • Path C:\Users\Admin\AppData\Local\Temp\winhostsvc_errors.txt
                • Size 6KB
                • SHA256 b6aead577d9fcec1e91f78fa65fe70f3d06a670c79e35cfc674c8505f834b93e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                winhostsvc_errors.txt

                • Path C:\Users\Admin\AppData\Local\Temp\winhostsvc_errors.txt
                • Size 6KB
                • SHA256 284fb2362fdac4c6c490a1346ce2c1809ae9eb60e0071f892f345143b8eee71d
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/1204-234-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-158-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-224-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-43-0x00007FFFAF95F000-0x00007FFFAF960000-memory.dmp

                memory/1204-229-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-233-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-228-0x00007FFFAF7D0000-0x00007FFFB0174000-memory.dmp

                memory/1204-226-0x00000203B6250000-0x00000203B6272000-memory.dmp

                memory/5888-344-0x0000000008AB0000-0x0000000008AB1000-memory.dmp