Analysis

  • max time kernel
    150s
  • max time network
    183s
  • 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_3807.wav
  • Size 450KB
  • Sample260717-15cxrsbs8z
  • SHA256 5edec098cda4db5b4b4d116f87b3f92f4a1625af33987d1ed544e72c9d69db27
  • 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 3 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_3807.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:4184
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3220
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:2240
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:516

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 be062cf7d058cb58e952b2bdcde58dcb1146350943653efba03b16dc2f91e635
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 7a148d5660229ca1c0c87c518b02397cad83dae8d6d4cae3a5d82752acb18868
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LocalMLS_3.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
        • Size 68KB
        • SHA256 f689a43bfbcac4c97ef546deb7da46b51a3c8d68204aa5304e70ab24edad77a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMSDKNS.DTD

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
        • Size 498B
        • SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
        • MD5 SHA1 SHA512 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 ea39321d40f8d9e645645348d6d1fa64c8c43d62e46e6a47257bda7976d0c2de
        • MD5 SHA1 SHA512 TLSH

        memory/4184-32-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-31-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-34-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-35-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-33-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-30-0x0000000004A20000-0x0000000004A30000-memory.dmp

        memory/4184-50-0x0000000009650000-0x0000000009660000-memory.dmp

        memory/4184-58-0x0000000009650000-0x0000000009660000-memory.dmp