Overview

overview

6

Static

static

1

voicewave_...74.exe

windows10-2004-x64

4

voicewave_...74.exe

windows11-ltsc_2024-x64

4

$TEMP/evw_...er.exe

windows10-2004-x64

3

$TEMP/evw_...er.exe

windows11-ltsc_2024-x64

6

$TEMP/evw_...ap.dll

windows10-2004-x64

3

$TEMP/evw_...ap.dll

windows11-ltsc_2024-x64

3

$TEMP/evw_...xe.exe

windows10-2004-x64

3

$TEMP/evw_...xe.exe

windows11-ltsc_2024-x64

3

$TEMP/evw_...up.exe

windows10-2004-x64

3

$TEMP/evw_...up.exe

windows11-ltsc_2024-x64

3

$TEMP/evw_...rl.dll

windows10-2004-x64

3

$TEMP/evw_...rl.dll

windows11-ltsc_2024-x64

3

$TEMP/evw_...40.dll

windows10-2004-x64

3

$TEMP/evw_...40.dll

windows11-ltsc_2024-x64

6

$TEMP/evw_...b1.dll

windows10-2004-x64

3

$TEMP/evw_...b1.dll

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    900s
  • max time network
    551s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 04:23

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General

  • Target
    $TEMP/evw_setup/1.0.0/46free/EDownloader.exe
  • Size 3.4MB
  • Sample260715-e1bm9abw3n
  • SHA256 09fc252661481ea65e23c90babdb7801be6b77dc5db3095cf726372d0d80ff0a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

    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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 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\$TEMP\evw_setup\1.0.0\46free\EDownloader.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\EDownloader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /Uid "S-1-5-21-1738198120-2966725515-3980530802-1000"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5068
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Web_Installer" Activity "Result_Run_Installer" Attribute "{\"Country\":\"United States\",\"Pageid\":\"\",\"Timezone\":\"GMT-00:00\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3340
      • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
        C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3196
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Home_Installer" Activity "Result_Download_Configurefile" Attribute "{\"CDN\":\"http://download.easeus.com/api2/index.php/Apicp/Drwdl202004/index/\",\"Elapsed\":\"…\",\"Errorinfo\":\"4\",\"Result\":\"Failed\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1156
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Home_Installer" Activity "Result_Download_Configurefile" Attribute "{\"CDN\":\"https://d1yqyi2epbbxvx.cloudfront.net/api2/index.php/Apicp/Drwdl202004/index/\",\"Elapsed\":\"…\",\"Errorinfo\":\"4\",\"Result\":\"Failed\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4948
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Home_Installer" Activity "Result_Download_Configurefile" Attribute "{\"CDN\":\"https://d1kp3984eicvmo.cloudfront.net/api2/index.php/Apicp/Drwdl202004/index/\",\"Elapsed\":\"1\",\"Errorinfo\":\"4\",\"Result\":\"Failed\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2172
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Home_Installer" Activity "Result_Download_Configurefile" Attribute "{\"CDN\":\"https://d26eyml8eh90ed.cloudfront.net/api2/index.php/Apicp/Drwdl202004/index/\",\"Elapsed\":\"1\",\"Errorinfo\":\"4\",\"Result\":\"Failed\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1096
    • C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
      /SendInfo Window "Downloading" Activity "Result_Download_Program" Attribute "{\"Average_Networkspeed\":\"0.00B\",\"Elapsedtime\":\"120\",\"Errorinfo\":\"1004\",\"Result\":\"result_fail\"}"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Time Discovery
      PID:5624
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1412
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3248
      • 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:4528
    • 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:4580
    • 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:4060
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:988

      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

            AliyunConfig.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\AliyunConfig.ini
            • Size 1KB
            • SHA256 2db4536ee330da13e0fcc809480b1fb008af6a5da4a32cfb133f0ebc825806bf
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 698B
            • SHA256 ccb9c8db136357dc6761324553aaeaaa782b1d5edf9fe5479094ba5447a7c9fd
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 554B
            • SHA256 4e6a19ad19e530d4cb72b6aedf977ff30250fa9409f532f81f01dd94430b72d3
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 720B
            • SHA256 a6dfb6360de0c6369908c5f9def97286df6caa75451d985dd1593be134be86b2
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 720B
            • SHA256 d9f0b0b098d0c398a86351cdd7901705798abb87753e260738b65c53da9a43bf
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 1KB
            • SHA256 20a718042619bf928242acfa868260bed92d28bd314e232db51981cdc23ac820
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 620B
            • SHA256 2a6c29ecf491e9a87221a6ab0f856995a0d8a53f952f219d834c65c5834e1543
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            DataFile.ini
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 88B
            • SHA256 ae89726af2bd0c0218fbf63af20d4464f44dced5156364d817b6e73afc8e9f87
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            tempInfo.web
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\aliyun\tempInfo.web
            • Size 1B
            • SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
            • MD5 SHA1 SHA512
            Submit Download

            installer.log
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\installer.log
            • Size 3KB
            • SHA256 1461aacfd325b8e04594e4fa8348150a6cdc542b61a85578ec88328a718503a9
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            installer.log
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\installer.log
            • Size 3KB
            • SHA256 59aeff979bc2e6cf0a01d4dbdee65341df8712a76e04ff29fb1d97529fd125f2
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            installer.log
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\installer.log
            • Size 4KB
            • SHA256 4205ff0296b502cf64c1498146806a78af5a4fc126f57220fad73a4e225662f5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            installer.log
            • Path C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\installer.log
            • Size 2KB
            • SHA256 34911669424349e7fa993c0a2d9e3469d5c9a1a10dbc527107b74b466f74fb58
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            resource.ini
            • Path C:\Users\Admin\AppData\Local\Temp\resource.ini
            • Size 237B
            • SHA256 324e0e753b7f5d69d52a89a085329e9dac9b4a33b1bd34cad8cb81530d00cfa2
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/4060-279-0x0000020B001E0000-0x0000020B002E0000-memory.dmp
            Download

            memory/4060-278-0x0000020B001E0000-0x0000020B002E0000-memory.dmp
            Download

            memory/4060-280-0x0000020B001E0000-0x0000020B002E0000-memory.dmp
            Download

            memory/4060-314-0x0000020B02B20000-0x0000020B02B40000-memory.dmp
            Download

            memory/4060-336-0x0000020B14630000-0x0000020B14650000-memory.dmp
            Download

            memory/4060-299-0x0000020B02D90000-0x0000020B02E90000-memory.dmp
            Download

            memory/4060-297-0x0000020B028C0000-0x0000020B028E0000-memory.dmp
            Download

            memory/4528-468-0x000000000EE00000-0x000000000F67B000-memory.dmp
            Download

            memory/4528-498-0x000000000EE00000-0x000000000F67B000-memory.dmp
            Download