Overview

overview

8

Static

static

3

robloxinstaller.exe

windows10-2004-x64

7

robloxinstaller.exe

windows11-ltsc_2024-x64

8

Resubmissions

22/06/2026, 18:34

260622-w7tk3sfx718

22/06/2026, 18:04

260622-wnyqpaey2m10

03/04/2026, 19:32

260403-x83qtads9z8

12/01/2026, 20:25

260112-y7jf8adx2b7

13/11/2025, 19:43

251113-yfenysbl517

25/08/2025, 11:58

250825-n5eedawqz48

23/08/2025, 20:00

250823-yrfqdsypt67

23/08/2025, 19:54

250823-ym16jahm2t8

23/08/2025, 19:52

250823-ylj6mayny98

23/08/2025, 19:48

250823-yjes5aynw67

Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/06/2026, 18:34

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General

  • Target
    robloxinstaller.exe
  • Size 7.9MB
  • Sample260622-w7tk3sfx71
  • SHA256 af65a4a08c365d476ea941add0d62058ccdaa544cf42509e05c78d9658a8005d
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 58 IoCs
  • Suspicious use of SendNotifyMessage 50 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\robloxinstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\robloxinstaller.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Program Files (x86)\Roblox\Versions\version-8884371d30284041\RobloxPlayerBeta.exe
      "C:\Program Files (x86)\Roblox\Versions\version-8884371d30284041\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 3032
      2⤵
      • Executes dropped EXE
      PID:3768
    • C:\Program Files (x86)\Roblox\Versions\version-8884371d30284041\RobloxPlayerBeta.exe
      "C:\Program Files (x86)\Roblox\Versions\version-8884371d30284041\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 3032
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1128
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1684
    • 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:4092
  • 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:2532
  • 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:1304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RobloxStudioInstaller.exe
        • Path C:\Program Files (x86)\Roblox\Versions\RobloxStudioInstaller.exe
        • Size 9.8MB
        • SHA256 371ba35a7bdc22dc6696dc84f2d4e849393943e322c5d3aef662ec8af4bc43a1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RobloxPlayerBeta.dll
        • Path C:\Program Files (x86)\Roblox\Versions\version-8884371d30284041\RobloxPlayerBeta.dll
        • Size 20.8MB
        • SHA256 00ea1332909419b2ba70bbe0050459054d67ad86ea42b89bf06c43adee5fe9ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Roblox Player.lnk
        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Roblox\Roblox Player.lnk
        • Size 1KB
        • SHA256 f0f7cf38a7efa2097df9920994c71a936da9f24c448dfe39679e866859983901
        • MD5 SHA1 SHA512 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Roblox Player.lnk
        • Path C:\Users\Admin\Desktop\Roblox Player.lnk
        • Size 1KB
        • SHA256 392a60fc81c42b6e14c7a032dfbf3832086a38ad5f0a200a157bbd02dc7b643e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Roblox Studio.lnk
        • Path C:\Users\Admin\Desktop\Roblox Studio.lnk
        • Size 1KB
        • SHA256 660341858701c6fd79fee0859d88567985b371869e39cf5d0fa67f6f764259d3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1304-88-0x000001B184380000-0x000001B1843A0000-memory.dmp
        Download

        memory/1304-116-0x000001B194780000-0x000001B1947A0000-memory.dmp
        Download

        memory/1304-70-0x000001B1801E0000-0x000001B1802E0000-memory.dmp
        Download

        memory/1304-76-0x000001B1843C0000-0x000001B1844C0000-memory.dmp
        Download

        memory/1304-75-0x000001B181FC0000-0x000001B181FE0000-memory.dmp
        Download

        memory/2532-249-0x00000193DE080000-0x00000193DE711000-memory.dmp
        Download

        memory/2532-263-0x00000193DE080000-0x00000193DE711000-memory.dmp
        Download

        memory/2532-269-0x00000193DE080000-0x00000193DE711000-memory.dmp
        Download