Overview

overview

8

Static

static

3

SysHelper.exe

windows10-2004-x64

7

SysHelper.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    554s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 17:14

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General

  • Target
    SysHelper.exe
  • Size 80.6MB
  • Sample261002-vr2q3ssw8k
  • SHA256 7a5952d250453a744ad249a549d4fb7a8004931f4a6b582323d0ec4b8ea15d30
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • 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
  • Loads dropped DLL 37 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\SysHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SysHelper.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5892
    • C:\Users\Admin\AppData\Local\Temp\SysHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\SysHelper.exe"
      2⤵
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2184
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3408
    • 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:2032
  • 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:3960
  • 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:5116
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4388
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:4148

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            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

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\VCRUNTIME140.dll
            • Size 117KB
            • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            VCRUNTIME140_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _asyncio.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_asyncio.pyd
            • Size 72KB
            • SHA256 c77de90cad749087a0c5dc5e19d78d24f6ef44e7e5ac19b8420cfc0cea62395d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _brotli.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_brotli.cp312-win_amd64.pyd
            • Size 836KB
            • SHA256 1e4cf067342ee168410560db9bbba370a1b609abc028bff61a3dcc1274dfcd16
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_bz2.pyd
            • Size 84KB
            • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_ctypes.pyd
            • Size 124KB
            • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _hashlib.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_hashlib.pyd
            • Size 67KB
            • SHA256 03d233dbace599168eaffec823de6ed7beec8c2a4ebfe9b8a3d8e042a59af3ba
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_lzma.pyd
            • Size 157KB
            • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _overlapped.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_overlapped.pyd
            • Size 55KB
            • SHA256 662126ff80c3a1b4cedf74074029c12ae4743e6d3b37376e39ac70aacb7d4d3c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _queue.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_queue.pyd
            • Size 32KB
            • SHA256 48e76e0ad63f6932b4a77b5819f41c1e7595636ca8d9e824f0943a14b8bb5035
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_socket.pyd
            • Size 83KB
            • SHA256 3efa4636cf9e350856f6927d67a4c2564bf9bd2758a00bbf17d3aece5b60016d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ssl.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_ssl.pyd
            • Size 175KB
            • SHA256 0bc527d2dbc50009f43b2ed5d5982c4f63f4b647647ffa9eda612dcda80f6040
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _uuid.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_uuid.pyd
            • Size 26KB
            • SHA256 acce4f281d7ffb2dec0997527faf25b1df62ad7bd3032c568ddcf65c90edc867
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _wmi.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\_wmi.pyd
            • Size 39KB
            • SHA256 a980f1e7a29842bd946863fc2693fbeb555a9dc0f9e1630dfed9a2fcdef3ece2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _http_parser.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\aiohttp\_http_parser.cp312-win_amd64.pyd
            • Size 236KB
            • SHA256 f34864861db784eb973edb1b6efb6de2fb3fa1535906dcba51ebae4a9083e1bc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _http_writer.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\aiohttp\_http_writer.cp312-win_amd64.pyd
            • Size 46KB
            • SHA256 e8bcb56d94db9410e40684b1d49b680ba4775829b5cbe236e7a8e273fa2e8318
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            mask.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\aiohttp\_websocket\mask.cp312-win_amd64.pyd
            • Size 35KB
            • SHA256 45b87370300554c47eea31a386581b63b710f96aed0b6029a5731606d003d86d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            reader_c.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\aiohttp\_websocket\reader_c.cp312-win_amd64.pyd
            • Size 143KB
            • SHA256 4486843a4132811af15f6acc6be56da2c4804076fc27c7074b834caaab21c625
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\base_library.zip
            • Size 1.3MB
            • SHA256 c931d84ed25fb2ab1b78f0cb8f569cf4b1031be33d0829a03cd1f8417a1d2be2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            __init__.py
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\cv2\__init__.py
            • Size 6KB
            • SHA256 957a91bfd98ffb07a10cd789b7c5c46806568476b61e34c7ad56a00092b981a5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _frozenlist.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\frozenlist\_frozenlist.cp312-win_amd64.pyd
            • Size 67KB
            • SHA256 766dfe008c7144d779769b6c0f4c4acc6064ff83cf168436fb2cac2d4ac6c1ed
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libcrypto-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libffi-8.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libssl-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\libssl-3.dll
            • Size 776KB
            • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _multidict.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\multidict\_multidict.cp312-win_amd64.pyd
            • Size 78KB
            • SHA256 3ae99d31cdfd24e3399d6bfc612c0b774c38a3d2d6461a1d465912d214bd4c35
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            INSTALLER
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\numpy-2.4.4.dist-info\INSTALLER
            • Size 4B
            • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
            • MD5 SHA1 SHA512
            Submit Download

            _helpers_c.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\propcache\_helpers_c.cp312-win_amd64.pyd
            • Size 64KB
            • SHA256 f6e3495988b8de7dd46321ce924fb9c140463e77eecff5dad080f9db770e8436
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\python3.dll
            • Size 68KB
            • SHA256 fb975a606e7fbf74f64260e3f60c3490b4f74a183c0926fd6ed1ac4c52ac7b1c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python312.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\python312.dll
            • Size 6.6MB
            • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\select.pyd
            • Size 32KB
            • SHA256 d4d7181b11db0bd22a6cd5cda6f8583d1f5c77615fd0a6ca33350619d6e0438a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Lorem ipsum.txt
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
            • Size 1KB
            • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            ucrtbase.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\ucrtbase.dll
            • Size 1.1MB
            • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            unicodedata.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\unicodedata.pyd
            • Size 1.1MB
            • SHA256 208ee1cd3cbad0828433ca7246b05be2b1ff5569983d27d296c0b38888585488
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _quoting_c.cp312-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017042\yarl\_quoting_c.cp312-win_amd64.pyd
            • Size 85KB
            • SHA256 0ae2c629d7568ee78d747477d5aa58a13262fbe9510195708fb77314b31e5483
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2184-233-0x00007FFAEDB70000-0x00007FFAEEEF1000-memory.dmp
            Download

            memory/2184-235-0x00007FFAEDB70000-0x00007FFAEEEF1000-memory.dmp
            Download

            memory/3960-269-0x0000019A83930000-0x0000019A83950000-memory.dmp
            Download

            memory/3960-238-0x0000019A80000000-0x0000019A80100000-memory.dmp
            Download

            memory/3960-237-0x0000019A80000000-0x0000019A80100000-memory.dmp
            Download

            memory/3960-251-0x0000019A83B30000-0x0000019A83C30000-memory.dmp
            Download

            memory/3960-283-0x0000019A83F70000-0x0000019A83F90000-memory.dmp
            Download

            memory/3960-250-0x0000019A80FD0000-0x0000019A80FF0000-memory.dmp
            Download