Analysis

  • max time kernel
    900s
  • max time network
    613s
  • 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

General

  • Target
    voicewave_installer_20260714.17840894148733b5550674.exe
  • Size 3.6MB
  • Sample260715-e1bm9abw3n
  • SHA256 2ec319eeabd3ec839cc82f28dcb6e86e6f2d5c6e09a4ac1b444e80fe4413aca5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\voicewave_installer_20260714.17840894148733b5550674.exe
    "C:\Users\Admin\AppData\Local\Temp\voicewave_installer_20260714.17840894148733b5550674.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe
      "C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe" EXEDIR=C:\Users\Admin\AppData\Local\Temp ||| EXENAME=voicewave_installer_20260714.17840894148733b5550674.exe ||| DOWNLOAD_VERSION=free ||| PRODUCT_VERSION=1.0.0 ||| INSTALL_TYPE=0
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
        /Uid "S-1-5-21-1875162379-3804078649-638427191-1000"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4896
      • C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
        /SendInfo Window "Web_Installer" Activity "Result_Run_Installer" Attribute "{\"Country\":\"United States\",\"Pageid\":\"17840894148733b5550674\",\"Timezone\":\"GMT-00:00\"}"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4948
        • C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
          C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:752
      • C:\Users\Admin\AppData\Local\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\":\"9\",\"Errorinfo\":\"0\",\"Result\":\"Success\"}"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:360
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5728
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:4612

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            EDownloader.exe

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe
            • Size 3.4MB
            • SHA256 09fc252661481ea65e23c90babdb7801be6b77dc5db3095cf726372d0d80ff0a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\VCRUNTIME140.dll
            • Size 78KB
            • SHA256 44aca93d4a046252c60f0cbbe5259d9509b912aa07e5379b2cdbe842700c7e9c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AliyunConfig.ini

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunConfig.ini
            • Size 1KB
            • SHA256 b3596e7f9751baa7d3f885db51f568def5d889ee13219812277a74cfea2be305
            • MD5 SHA1 SHA512 TLSH

            AliyunWrap.DLL

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrap.DLL
            • Size 482KB
            • SHA256 544b2bf4ccdaeaf6ce8f3e0d4faa98281ad17f65fc2defaec915d16d320dbda6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AliyunWrapExe.Exe

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
            • Size 107KB
            • SHA256 2cc207dd14110192c642536432166a1ec77ee4aae071d206707425b7fc969cd3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            DataFile.ini

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 1KB
            • SHA256 a56d02b2639006be6acb3dbbcd09a07e62daf1a259ef482fe53d3917039d1941
            • MD5 SHA1 SHA512 TLSH

            DataFile.ini

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
            • Size 598B
            • SHA256 a1d61fdf9985289c43d7c286398003fb13e082bbc4d8f35b7920921c1bbd2d39
            • MD5 SHA1 SHA512 TLSH

            InfoForSetup.exe

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
            • Size 65KB
            • SHA256 b7e0bb05d2b6673dae04d3a008b516e3c2803e6d388dcae3405b94e7f7ddcf3f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            cacert.pem

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\cacert.pem
            • Size 232KB
            • SHA256 5a03d0cf132b66659edcf43c087c4cb1b3647f341ace02dd84c693c804a0a5dd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            installer.log

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\installer.log
            • Size 1KB
            • SHA256 3bbe8b144f405063a5a9d2b9cae4647766ade9a7eed92b43a78f142edd60389a
            • MD5 SHA1 SHA512 TLSH

            libcurl.dll

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\libcurl.dll
            • Size 359KB
            • SHA256 683bb7b131576fe7bc8efbd3c5b00b9ca5fd91b763774f51f4fb71a746cd896a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            zlib1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\zlib1.dll
            • Size 84KB
            • SHA256 b4ad7ba65fededaa11befbfcbd688a1da96031c88e2324075b42e5057f04c6b8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            resource.ini

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