Overview

overview

8

Static

static

3

SysHealthStrayX64.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 10:18

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General

  • Target
    SysHealthStrayX64.exe
  • Size 76.1MB
  • Sample260623-mccjmscs2x
  • SHA256 0d3c47a7a9c55e6848570e58e2478d07983fc557ccf729d9e9df788584ff5b4f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespywarestealer

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Drops file in Drivers directory 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 52 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\SysHealthStrayX64.exe
    "C:\Users\Admin\AppData\Local\Temp\SysHealthStrayX64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5676
    • C:\Users\Admin\AppData\Local\Temp\SysHealthStrayX64.exe
      "C:\Users\Admin\AppData\Local\Temp\SysHealthStrayX64.exe"
      2⤵
      • Adds policy Run key to start application
      • Drops file in Drivers directory
      • Drops startup file
      • Loads dropped DLL
      • Registers new Windows logon scripts automatically executed at logon.
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5924
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:52
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "ver"
          3⤵
            PID:4384
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:5584
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2844
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4408

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Persistence

            Boot or Logon Autostart Execution

            3
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Boot or Logon Initialization Scripts

            1
            T1037

            Logon Script (Windows)

            1
            T1037.001

            Privilege Escalation

            Boot or Logon Autostart Execution

            3
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            2
            T1547.001

            Boot or Logon Initialization Scripts

            1
            T1037

            Logon Script (Windows)

            1
            T1037.001

            Defense Evasion

            Modify Registry

            4
            T1112

            Credential Access

            Credentials from Password Stores

            1
            T1555

            Credentials from Web Browsers

            1
            T1555.003

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Peripheral Device Discovery

            2
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            2
            T1082

            Lateral Movement

            Collection

            Data from Local System

            1
            T1005

            Command and Control

            Web Service

            1
            T1102

            Exfiltration

            Impact

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
            • Size 211KB
            • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _raw_aes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\Crypto\Cipher\_raw_aes.pyd
            • Size 34KB
            • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _cpuid_c.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\Crypto\Util\_cpuid_c.pyd
            • Size 10KB
            • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\VCRUNTIME140.dll
            • Size 117KB
            • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            VCRUNTIME140_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _asyncio.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_asyncio.pyd
            • Size 76KB
            • SHA256 48fdd95938c43b8b3e1f6312de651a53d459e8e2c754fbbdf48e99f5caa1f55b
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_bz2.pyd
            • Size 85KB
            • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_ctypes.pyd
            • Size 139KB
            • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _hashlib.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_hashlib.pyd
            • Size 67KB
            • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_lzma.pyd
            • Size 157KB
            • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _overlapped.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_overlapped.pyd
            • Size 56KB
            • SHA256 80a2f8feda9255ef611af0a28fd4df311e3cd59c3dc4eaba9a2e97bd42ddbf54
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _queue.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_queue.pyd
            • Size 35KB
            • SHA256 cb529f77bc4665dfa3b66fae3d00ab84de1e9618d0cb94900efbf28527623c0f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_socket.pyd
            • Size 85KB
            • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _sqlite3.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_sqlite3.pyd
            • Size 129KB
            • SHA256 c6d7bcea0084bcfa3c487bd7040350ee7c77f4108ce74b964f760133b2a7a6b2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ssl.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_ssl.pyd
            • Size 180KB
            • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _uuid.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_uuid.pyd
            • Size 27KB
            • SHA256 fc7406772b43caa3b6f41c690753792188b1c14c36a723d49e9276b7457696ce
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _wmi.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_wmi.pyd
            • Size 39KB
            • SHA256 5a7f3444f1c2f85fb5573bc330c1aea2c583912bb6f948ff81f8fd89a30e67be
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _zstd.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_zstd.pyd
            • Size 491KB
            • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\base_library.zip
            • Size 1.3MB
            • SHA256 ba0c6570a9956f7f15d7ed9b299e9dd857a124bfa2fcff679b37091193267525
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            cd.cp314-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\charset_normalizer\cd.cp314-win_amd64.pyd
            • Size 10KB
            • SHA256 da3ce780d6d58ae8c6920b99f806f64d58a1b33f4a01382861b01b50549199f8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libcrypto-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libffi-8.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libssl-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\libssl-3.dll
            • Size 776KB
            • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            pyexpat.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\pyexpat.pyd
            • Size 213KB
            • SHA256 b6d5142424d161039c25bea00e6acd8f7b1a5331d3994d9f3c28bd083ede159f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python3.DLL
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\python3.DLL
            • Size 72KB
            • SHA256 be1017ca4ca8ff837efbb343d5c8f739bd67bd1c43fb41068a539b19357c0213
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python314.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\python314.dll
            • Size 6.4MB
            • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            pywintypes314.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\pywin32_system32\pywintypes314.dll
            • Size 133KB
            • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\select.pyd
            • Size 32KB
            • SHA256 05734bd352ce60c944d474aa62468cc5eebf400097f1d9d0c453d37aed26fcca
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            sqlite3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\sqlite3.dll
            • Size 1.5MB
            • SHA256 bf85c9ae8a9eda75ce45dee2d325aabc4426557c5223b38cb4271f860cc808c2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ucrtbase.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\ucrtbase.dll
            • Size 1.3MB
            • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            unicodedata.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\unicodedata.pyd
            • Size 740KB
            • SHA256 4445b894f836e89a8b9fdcc88b5e59fbc76aca805baaf40aeb69e869978d4e6d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            win32crypt.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\win32\win32crypt.pyd
            • Size 123KB
            • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4408-273-0x000001E483A00000-0x000001E483A20000-memory.dmp
            Download

            memory/4408-313-0x000001E494200000-0x000001E494220000-memory.dmp
            Download

            memory/4408-287-0x000001E483C60000-0x000001E483C80000-memory.dmp
            Download

            memory/4408-269-0x000001E4801E0000-0x000001E4802E0000-memory.dmp
            Download

            memory/4408-268-0x000001E4801E0000-0x000001E4802E0000-memory.dmp
            Download

            memory/4408-267-0x000001E4801E0000-0x000001E4802E0000-memory.dmp
            Download

            memory/4408-274-0x000001E483E60000-0x000001E483F60000-memory.dmp
            Download

            memory/5584-435-0x000000000A830000-0x000000000AA8F000-memory.dmp
            Download

            memory/5924-265-0x0000000070D40000-0x00000000730BE000-memory.dmp
            Download