Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 03:51

General

  • Target
    Netsuspeech_0.7.18_x64_en-US.msi
  • Size 27.2MB
  • Sample261102-eey7esea57
  • SHA256 761add30842c69c29df76ebb919737339517c089f87ad13cfcf504726f7d880e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 10 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Netsuspeech_0.7.18_x64_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Program Files\Netsuspeech\netsuspeech.exe
      "C:\Program Files\Netsuspeech\netsuspeech.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5964
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 872B9C7E1D08575CD0C5ABA9ADD5D011 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5824
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2324
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5324

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e594703.rbs

          • Path C:\Config.Msi\e594703.rbs
          • Size 18KB
          • SHA256 b19052f925f8aa136a48da99fd86fc82c7f93682f3fef1216220e1e4c7bf18d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DirectML.dll

          • Path C:\Program Files\Netsuspeech\DirectML.dll
          • Size 17.7MB
          • SHA256 9c9e6d822561c6c41b90e6994b3e8857cf1d66dbfb1e0c4c799c7c89b4e92da1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          netsuspeech.exe

          • Path C:\Program Files\Netsuspeech\netsuspeech.exe
          • Size 47.9MB
          • SHA256 ad17f5d9192b738ed5b7ccb6d9a9c59965d62a48833414a7388cb91ff6d271ee
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Netsuspeech.lnk

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Netsuspeech\Netsuspeech.lnk
          • Size 1KB
          • SHA256 15bf7859a627106b8ee3fb4077e7dd8c120ecc0eaa02be1d2981cdd4b5835fe2
          • MD5 SHA1 SHA512 TLSH

          ~etsuspeech.tmp

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Netsuspeech\~etsuspeech.tmp
          • Size 2KB
          • SHA256 f07a10bb3634b57a94fa8af75d02a844265ac94da96b8e3889273fa0501fc933
          • MD5 SHA1 SHA512 TLSH

          MSIDE26.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE26.tmp
          • Size 132KB
          • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e594704.msi

          • Path C:\Windows\Installer\e594704.msi
          • Size 27.2MB
          • SHA256 761add30842c69c29df76ebb919737339517c089f87ad13cfcf504726f7d880e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 9df26995bed760d2e7c33c87f5d523561fcafe3c5399d54adc55a8fe58afb91e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {ece45bb4-40dd-4bc8-8e06-9d0d1b18fece}_OnDiskSnapshotProp

          • Path \??\Volume{8860bf69-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ece45bb4-40dd-4bc8-8e06-9d0d1b18fece}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 21757a9ec45a1e6137b043576102e48488a39a826678b4df8d436f3281a7d2ee
          • MD5 SHA1 SHA512 SSDEEP TLSH