Overview

overview

8

Static

static

3

Isla.exe

windows10-2004-x64

7

Isla.exe

windows11-ltsc_2024-x64

8

Resubmissions

07/11/2026, 17:45

261107-wbzgfszt8j7

07/11/2026, 17:43

261107-wan94aew7m8

Analysis

  • user interaction
    yes
  • max time kernel
    601s
  • 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
    07/11/2026, 17:43

Sharing

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General

  • Target
    Isla.exe
  • Size 80.6MB
  • Sample261107-wan94aew7m
  • SHA256 ab1cb0ea0fbc5e75c789791c0b0ad2473b8d0683c78bc4282547c0c5cb14e776
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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 55 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 64 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\Isla.exe
    "C:\Users\Admin\AppData\Local\Temp\Isla.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\Isla.exe
      "C:\Users\Admin\AppData\Local\Temp\Isla.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious use of SetWindowsHookEx
      PID:2624
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3704
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1608
      • 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:4844
    • 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:1204
    • 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:4164
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5540

      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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\VCRUNTIME140.dll
            • Size 117KB
            • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            VCRUNTIME140_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_bz2.pyd
            • Size 83KB
            • SHA256 965f199679afa9b31d537d98c3ca8403afd6b9e58e1a463ae47697ae4bf12771
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_ctypes.pyd
            • Size 129KB
            • SHA256 697d05cac7c167c00ccf22ea4fdbc7a8db93ab9c6421061191558e42478068c5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _hashlib.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_hashlib.pyd
            • Size 68KB
            • SHA256 1430e4a2ed19eda840668a292c39ff44488b598f53e903a61739a86b779ecbfe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_lzma.pyd
            • Size 156KB
            • SHA256 b78f5a8476139ff04731046459efd047bb8f52dc92c5b2082eabf2929c0ca02d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _queue.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_queue.pyd
            • Size 33KB
            • SHA256 08050f94efe7bdd9d7cbe85b1196de391cac1b30f4a4918610cb174ae529a5db
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_socket.pyd
            • Size 84KB
            • SHA256 c63e8e6a369cbe86e57c9823fb48bc5d4e7bb18455b9b001986b4768c49007da
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ssl.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_ssl.pyd
            • Size 177KB
            • SHA256 11572f6eb63e43cdc2908812506ffcdab21be2be5931f1e38d856c15f5a79e6c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _wmi.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\_wmi.pyd
            • Size 39KB
            • SHA256 a7cc096244a497219269a3ee1cf2526a2b613d73fa566749f8f2408f5f4117d4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\base_library.zip
            • Size 1.3MB
            • SHA256 ae49b141bd76b93ed2cab21a3f63e13a31527cc3fd2e49def021fcce24167f0e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libcrypto-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\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\_MEI9642\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libssl-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\libssl-3.dll
            • Size 776KB
            • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            pyexpat.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pyexpat.pyd
            • Size 199KB
            • SHA256 567f19a92479e66b652ffaadbddba26b7c5dda43d5e97c67a4a76a076021b736
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            SDL2.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\SDL2.dll
            • Size 2.4MB
            • SHA256 520d0459b91efa32fbccf9027a9ca1fc5aae657e679ce8e90f179f9cf5afd279
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            base.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\base.cp313-win_amd64.pyd
            • Size 30KB
            • SHA256 66d997da2dd61b2f20cb042bcdf4e50ce9e76af8cfa23ba0130aafe25ac407ca
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            bufferproxy.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\bufferproxy.cp313-win_amd64.pyd
            • Size 18KB
            • SHA256 1dfb23e182b9e115a17e162ac97f29e4b71a04b4291f863db9488bca04aec533
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            color.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\color.cp313-win_amd64.pyd
            • Size 35KB
            • SHA256 293fafd79cc23feac8cfc270df306ad7285d192331b9b9436b6631024cea35d5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            constants.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\constants.cp313-win_amd64.pyd
            • Size 49KB
            • SHA256 c346ee23b6695ed6280f71d13cd4c5ecef569e12f331508008e60371e4350207
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            display.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\display.cp313-win_amd64.pyd
            • Size 44KB
            • SHA256 2b87801d06d55ee5eaf8c87d647a8e95f14e6fcf3b8e1d9a633a50c88b398920
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            draw.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\draw.cp313-win_amd64.pyd
            • Size 49KB
            • SHA256 c8db798417679164d7a447147be1c7370c9cce5323cf9db741fc3ef5e4d42f3f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            event.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\event.cp313-win_amd64.pyd
            • Size 43KB
            • SHA256 494f7d0958ff406d826cc1b5fbd3df954cdf8dabebf30e3be74924c9355b324a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            image.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\image.cp313-win_amd64.pyd
            • Size 29KB
            • SHA256 7382c07d5e416d91cfeff335da831614b7e0fd3fd03f9ecff0e852fc4f164ce4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            imageext.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\imageext.cp313-win_amd64.pyd
            • Size 17KB
            • SHA256 8c83d5ef6cfb06870eb5f1b54a709377b0040c1dd2430a7cbe47595d8b95f163
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            math.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\math.cp313-win_amd64.pyd
            • Size 75KB
            • SHA256 1b217a687d7adf4732abd227b747465f0fc83a6bfb3064e9a4729075ac603159
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            rect.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\rect.cp313-win_amd64.pyd
            • Size 44KB
            • SHA256 19c268113752ec69f0de20d93190fca397bdbdffcca20890ed4f8627e3e3f722
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            rwobject.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\rwobject.cp313-win_amd64.pyd
            • Size 19KB
            • SHA256 8393c52dcb1d0bef5a2712136dd7ff1a7ff3ce91ea72199b74d74e28c82e7093
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            surface.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\surface.cp313-win_amd64.pyd
            • Size 233KB
            • SHA256 358e005063a967b5c876caea1d4e72451fa1018693c140a45afbb1cafc860b4c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            surflock.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\pygame\surflock.cp313-win_amd64.pyd
            • Size 13KB
            • SHA256 2460b9d33675b20596f4a06b0d387fd09a0b0dc37a21a07cee72273e02585b65
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python313.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\python313.dll
            • Size 5.8MB
            • SHA256 0565965617d94274d7f2c2958d0bef33392cd9d2f346f99d8e1bedbdf264ee85
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\select.pyd
            • Size 32KB
            • SHA256 d1e486de9653640be7c3a9bed04aa716b29ea76a69e1de758dd9fa708f2c9d38
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Lorem ipsum.txt
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9642\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
            • Size 1KB
            • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1204-1135-0x000001D4801E0000-0x000001D4802E0000-memory.dmp
            Download

            memory/1204-1155-0x000001D482DA0000-0x000001D482DC0000-memory.dmp
            Download

            memory/1204-1145-0x000001D4829A0000-0x000001D4829C0000-memory.dmp
            Download

            memory/1204-1146-0x000001D482DE0000-0x000001D482EE0000-memory.dmp
            Download

            memory/1204-1181-0x000001D4941A0000-0x000001D4941C0000-memory.dmp
            Download

            memory/2624-1122-0x0000000068B40000-0x0000000068B7C000-memory.dmp
            Download

            memory/2624-1131-0x0000000062E80000-0x0000000062EA4000-memory.dmp
            Download

            memory/2624-1130-0x0000000068B40000-0x0000000068B7C000-memory.dmp
            Download

            memory/2624-1128-0x00007FFB4DD50000-0x00007FFB4DFBC000-memory.dmp
            Download

            memory/2624-1129-0x000000006A880000-0x000000006A8A7000-memory.dmp
            Download

            memory/2624-1124-0x00007FFB4DD50000-0x00007FFB4DFBC000-memory.dmp
            Download

            memory/2624-1121-0x000000006A880000-0x000000006A8A7000-memory.dmp
            Download

            memory/2624-1120-0x00007FFB4DD50000-0x00007FFB4DFBC000-memory.dmp
            Download

            memory/2624-1123-0x0000000062E80000-0x0000000062EA4000-memory.dmp
            Download