Overview

overview

8

Static

static

3

RobloxPlay...er.exe

windows10-2004-x64

RobloxPlay...er.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    900s
  • max time network
    879s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 21:56

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General

  • Target
    RobloxPlayerInstaller.exe
  • Size 12.9MB
  • Sample260919-1tc4dsty2k
  • SHA256 f542c6b9fca26dad990bf5fb74aeb47d5c06c6a0f3127047ed539a82c4e56904
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistenceransomwarespywaretrojan

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
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 7 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\RobloxPlayerInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5280
    • C:\Program Files\Roblox\Versions\version-4310300497aa4917\RobloxPlayerBeta.exe
      "C:\Program Files\Roblox\Versions\version-4310300497aa4917\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 5280
      2⤵
      • Executes dropped EXE
      PID:2552
    • C:\Program Files\Roblox\Versions\version-4310300497aa4917\RobloxPlayerBeta.exe
      "C:\Program Files\Roblox\Versions\version-4310300497aa4917\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 5280
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1436
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:6044
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4776
      • 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:5260
    • 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:1220
    • 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:4068
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5064

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            RobloxStudioInstaller.exe
            • Path C:\Program Files\Roblox\Versions\RobloxStudioInstaller.exe
            • Size 9.6MB
            • SHA256 1fd94ed0ce29148795374939b1f58c65bc3f2bf8fe7c7416f2aaf9c069a121e4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RobloxPlayerBeta.dll
            • Path C:\Program Files\Roblox\Versions\version-4310300497aa4917\RobloxPlayerBeta.dll
            • Size 21.3MB
            • SHA256 991c9fcaeb389d48761a1718877e5742c85e0f69e299a7e3710551533a86244f
            • 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

            Roblox Player.lnk
            • Path C:\Users\Admin\Desktop\Roblox Player.lnk
            • Size 1KB
            • SHA256 8236fe80b0407683c4464e9385ca11d97db874d21cf2231ecb642393f3dafbf8
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            Roblox Studio.lnk
            • Path C:\Users\Admin\Desktop\Roblox Studio.lnk
            • Size 1KB
            • SHA256 8fa27821eb95ab068ce241b9d29178c1f62a398048ed1b81ee51fc6086e624da
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1220-141-0x0000013F94C30000-0x0000013F94C50000-memory.dmp
            Download

            memory/1220-125-0x0000013F84220000-0x0000013F84240000-memory.dmp
            Download

            memory/1220-102-0x0000013F843E0000-0x0000013F844E0000-memory.dmp
            Download

            memory/1220-101-0x0000013F82FC0000-0x0000013F82FE0000-memory.dmp
            Download

            memory/1220-95-0x0000013F801E0000-0x0000013F802E0000-memory.dmp
            Download