Resubmissions

04/07/2026, 11:54

260704-n29fcaex8x7

04/07/2026, 11:51

260704-n1akmaex717

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 11:54

General

  • Target
    RobloxPlayerInstaller-MF2GKQFX7Q.exe
  • Size 9.6MB
  • Sample260704-n29fcaex8x
  • SHA256 c377f327acf6f974085678aeb267ef49caf229abcc290fcbcaa88d3c5b28d571
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-MF2GKQFX7Q.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-MF2GKQFX7Q.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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Program Files (x86)\Roblox\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe
      "C:\Program Files (x86)\Roblox\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 2852
      2⤵
      • Executes dropped EXE
      PID:3792
    • C:\Program Files (x86)\Roblox\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe
      "C:\Program Files (x86)\Roblox\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe" -app -installerLaunchTimeEpochMs 0 -clientLaunchTimeEpochMs 0 -isInstallerLaunch 2852
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:3732
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
      PID:1608

    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 9.6MB
          • SHA256 4fb6633176abb8d1be846cc49d65bf4a4a358af81b750bd2bca87604fdc98dd7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RobloxPlayerBeta.dll

          • Path C:\Program Files (x86)\Roblox\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.dll
          • Size 21.1MB
          • SHA256 735aa9c8dde82f0d8aefd1aced464df2e0ca44b9b3bd23b15737f670d53bbbb7
          • MD5 SHA1 SHA512 SSDEEP TLSH