Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    502s
  • 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, 04:40

General

  • Target
    MeowNetLauncher-win-Setup.exe
  • Size 12.6MB
  • Sample261102-faq6paez2t
  • SHA256 ec35ea6dabcfcab838d17879b631c162f800c34eb3fc57b9cefad040ea52fb69
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MeowNetLauncher-win-Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MeowNetLauncher-win-Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Users\Admin\AppData\Local\MeowNetLauncher\current\MeowNetLauncher.exe
      "C:\Users\Admin\AppData\Local\MeowNetLauncher\current\MeowNetLauncher.exe" --veloapp-install 1.6.3
      2⤵
      • Executes dropped EXE
      PID:2184
    • C:\Users\Admin\AppData\Local\MeowNetLauncher\current\MeowNetLauncher.exe
      "C:\Users\Admin\AppData\Local\MeowNetLauncher\current\MeowNetLauncher.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\system32\tar.exe
        "C:\Windows\system32\tar.exe" -xf "C:\MeowNet\MeowNet.update.zip" -C "C:\MeowNet\.update-staging"
        3⤵
          PID:5040
        • C:\Windows\system32\tar.exe
          "C:\Windows\system32\tar.exe" -xf "C:\MeowNet\MeowNet.data.zip" -C "C:\MeowNet\.data-staging"
          3⤵
            PID:1356

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            sharedassets96.assets.resS

            • Path C:\MeowNet\.data-staging\RecRoom_Data\sharedassets96.assets.resS
            • Size 1.5MB
            • SHA256 6ab470d71d404f6d4392e2b93a746ce0340d9f008da905a30b741dd4c4690e11
            • MD5 SHA1 SHA512 SSDEEP TLSH

            KittyPC.dll

            • Path C:\MeowNet\.update-staging\KittyPC.dll
            • Size 20.6MB
            • SHA256 44a230f61844d70ce444b3c1f18280746335eb3716e3d92da4629f0546b00e3d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MEOWNET

            • Path C:\MeowNet\.update-staging\MEOWNET
            • Size 39B
            • SHA256 31987190d1efd9725bf4b06d22ff3184bf8a36a95a15edf75fe4d5fcde0364bc
            • MD5 SHA1 SHA512

            NOTICE.txt

            • Path C:\MeowNet\.update-staging\NOTICE.txt
            • Size 17KB
            • SHA256 90cc7fce349de5c4061db956cf5f9fa7cd18d43ded04c49616e299bf3b3047cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            NineLives.dll

            • Path C:\MeowNet\.update-staging\NineLives.dll
            • Size 12.9MB
            • SHA256 6863de572279a2c1c13be9c9281ec5c2fae78791f5a4d1f618aeb50c5a599322
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RecRoom.exe

            • Path C:\MeowNet\.update-staging\RecRoom.exe
            • Size 638KB
            • SHA256 ec64a34d8c7a06429b3876882385fc53e02619f30b2f9b4f00c0a2bf69a8ba6e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RecRoomLog.bat

            • Path C:\MeowNet\.update-staging\RecRoomLog.bat
            • Size 74B
            • SHA256 aa63362a09187af8c6794fdeed49f10d0133be27487b9a11709420a132f71c0b
            • MD5 SHA1 SHA512 TLSH

            Recroom_Release.exe

            • Path C:\MeowNet\.update-staging\Recroom_Release.exe
            • Size 1.2MB
            • SHA256 f12d2e1924584383cfe78de6264bf84d68c4a615c9054f47fa98243b081b5692
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UnityCrashHandler64.exe

            • Path C:\MeowNet\.update-staging\UnityCrashHandler64.exe
            • Size 1.1MB
            • SHA256 2149096538582113ee2e60cdfae2acd33def8b04d5db303cc5bf4eeaf54831df
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UnityPlayer.dll

            • Path C:\MeowNet\.update-staging\UnityPlayer.dll
            • Size 28.0MB
            • SHA256 c18fe00cbf13b36be72ed604de11e210173540a3d5b5ec158d61de8cc9946d98
            • MD5 SHA1 SHA512 SSDEEP TLSH

            baselib.dll

            • Path C:\MeowNet\.update-staging\baselib.dll
            • Size 395KB
            • SHA256 7efbb390a85fc6846350ef0d3df807a11c9dcd62b6045c9ee2fa4b4e17496447
            • MD5 SHA1 SHA512 SSDEEP TLSH

            installscript.vdf

            • Path C:\MeowNet\.update-staging\installscript.vdf
            • Size 725B
            • SHA256 17d31db50bb2cdc99ec0e9f920eb228ff2abc662052f978594a644098359e54b
            • MD5 SHA1 SHA512 TLSH

            last_update.txt

            • Path C:\MeowNet\.update-staging\last_update.txt
            • Size 6B
            • SHA256 f60516fc1dd70fa86a042bcab8fd60bc9f3c56f5727a1de04ab6fc79c2ea5c18
            • MD5 SHA1 SHA512

            steam_appid.txt

            • Path C:\MeowNet\.update-staging\steam_appid.txt
            • Size 6B
            • SHA256 b936276a258b3bb51765c52720da6321dbac8d3c8cb4488a9c6c92ccf81c108d
            • MD5 SHA1 SHA512

            Update.exe

            • Path C:\Users\Admin\AppData\Local\MeowNetLauncher\Update.exe
            • Size 3.8MB
            • SHA256 d793d3156a062e5b1afecc8846eb4e1d4a69c8ee7ab9f92b1868c28ad1319bff
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MeowNetLauncher.exe

            • Path C:\Users\Admin\AppData\Local\MeowNetLauncher\current\MeowNetLauncher.exe
            • Size 5.1MB
            • SHA256 b35468226a52adbb4139878d04f9fc8271026836c51c9cd7468b3414ad128198
            • MD5 SHA1 SHA512 SSDEEP TLSH

            sq.version

            • Path C:\Users\Admin\AppData\Local\MeowNetLauncher\current\sq.version
            • Size 515B
            • SHA256 5bbeef2c57d63d59757806862e4f07f104d8096012530699b08e7973af3d045c
            • MD5 SHA1 SHA512 TLSH

            MeowNetLauncher-1.6.3-full.nupkg

            • Path C:\Users\Admin\AppData\Local\MeowNetLauncher\packages\MeowNetLauncher-1.6.3-full.nupkg
            • Size 5.4MB
            • SHA256 d4c90fc283b66015c2e2d369196df8ff47fce94eece1c46aa7fe9b1f80e9cb3e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            velopack_MeowNetLauncher.log

            • Path C:\Users\Admin\AppData\Local\velopack\velopack_MeowNetLauncher.log
            • Size 1KB
            • SHA256 c0c7117919663c693e8fbd4cf2a930f74221f411e514fc55b61f65a0cddc2f96
            • MD5 SHA1 SHA512 TLSH