Overview

overview

8

Static

static

3

MeowNetLau...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    554s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 04:36

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General

  • Target
    MeowNetLauncher-win-Setup.exe
  • Size 12.6MB
  • Sample261102-e78lkaey9t
  • SHA256 ec35ea6dabcfcab838d17879b631c162f800c34eb3fc57b9cefad040ea52fb69
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespywarethemida

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 2 IoCs
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

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:2120
    • 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:1248
    • 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:952
      • C:\Windows\system32\tar.exe
        "C:\Windows\system32\tar.exe" -xf "F:\MeowNet\MeowNet.update.zip" -C "F:\MeowNet\.update-staging"
        3⤵
          PID:6104
        • C:\Windows\system32\tar.exe
          "C:\Windows\system32\tar.exe" -xf "F:\MeowNet\MeowNet.data.zip" -C "F:\MeowNet\.data-staging"
          3⤵
            PID:3840
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4728
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:5696
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Enumerates connected drives
            • Checks SCSI registry key(s)
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:5152
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:3728
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:4520
        • C:\Windows\System32\SecurityHealthHost.exe
          \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
          1⤵
            PID:3328

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

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

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

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

                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
                Submit Download

                prep_Activatable Class_Hermes_perf.cache
                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 595B
                • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                velopack_MeowNetLauncher.log
                • Path C:\Users\Admin\AppData\Local\velopack\velopack_MeowNetLauncher.log
                • Size 1KB
                • SHA256 e47c24c3a78c39554b054a4abce66f2b2f227e3f37d639b4bcad4155b5a39342
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                MeowNetLauncher.lnk
                • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\MeowNetLauncher.lnk
                • Size 2KB
                • SHA256 3add2b5532f19be93656d7e6c60114c27851ca59bfa1a6872535936357601db1
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                MeowNetLauncher.lnk
                • Path C:\Users\Admin\Desktop\MeowNetLauncher.lnk
                • Size 2KB
                • SHA256 dc482d1e746efe5275f09bf6b2898148d23d627cbd509ddddec91961738d5a6a
                • MD5 SHA1 SHA512 TLSH
                Submit Download

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                memory/3728-231-0x000001CAFB750000-0x000001CAFBDE1000-memory.dmp
                Download

                memory/3728-292-0x000001CAFB750000-0x000001CAFBDE1000-memory.dmp
                Download

                memory/3728-299-0x000001CAFB750000-0x000001CAFBDE1000-memory.dmp
                Download

                memory/4520-143-0x0000020B83E60000-0x0000020B83F60000-memory.dmp
                Download

                memory/4520-166-0x0000020B83CA0000-0x0000020B83CC0000-memory.dmp
                Download

                memory/4520-142-0x0000020B83A60000-0x0000020B83A80000-memory.dmp
                Download

                memory/4520-180-0x0000020B95220000-0x0000020B95240000-memory.dmp
                Download

                memory/4520-134-0x0000020BB8C20000-0x0000020BB8D20000-memory.dmp
                Download