Analysis

  • max time kernel
    149s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/07/2026, 22:13

General

  • Target
    art/sound/engine/Nsx_Aftermarket_Exhaust/nsx_aftermarketexhaust_off_1796.wav
  • Size 449KB
  • Sample260717-15cxrsbs8z
  • SHA256 9c3161477f670d708d8adbfe9e5eafb7f8c6be33df45f2e8eef4dd388cbb613a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 7 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 Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\art\sound\engine\Nsx_Aftermarket_Exhaust\nsx_aftermarketexhaust_off_1796.wav"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5412
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:772
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:868

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 64KB
        • SHA256 f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 818dd0e64a174403989e80b1cd12b2f479274a51e94e661d57bb557f1b88f45c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 22e623e9026b6ad1bce67c6baafad6802c0dad0e2b4200b15c08c0e436863544
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMSDKNS.XML

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
        • Size 9KB
        • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wmsetup.log

        • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
        • Size 1KB
        • SHA256 56c4eae45a60c0189fa7a6ae0754e6b448b0fa58048d378b72172fa394bdc8dd
        • MD5 SHA1 SHA512 TLSH

        memory/5412-31-0x0000000004350000-0x0000000004360000-memory.dmp

        memory/5412-29-0x0000000004350000-0x0000000004360000-memory.dmp

        memory/5412-28-0x0000000004350000-0x0000000004360000-memory.dmp

        memory/5412-30-0x0000000004350000-0x0000000004360000-memory.dmp

        memory/5412-32-0x0000000004350000-0x0000000004360000-memory.dmp

        memory/5412-33-0x0000000004350000-0x0000000004360000-memory.dmp