Overview

overview

8

Static

static

3

Install.RI...GG.exe

windows10-2004-x64

7

Install.RI...GG.exe

windows11-ltsc_2024-x64

8

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...nu.dll

windows10-2004-x64

3

$PLUGINSDI...nu.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

8

rivalsfps-...er.exe

windows10-2004-x64

6

rivalsfps-...er.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • 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, 04:26

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General

  • Target
    Install.RIVALSFPS.GG.exe
  • Size 2.6MB
  • Sample260704-e2zfpsa17t
  • SHA256 1b68b5a31b8a947d1e9b1518869db78629fb0126d262f7202b7b02c3bdc81f9c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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 1 IoCs
  • Loads dropped DLL 6 IoCs
  • 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).

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 45 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\Install.RIVALSFPS.GG.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.RIVALSFPS.GG.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5924
    • C:\Users\Admin\AppData\Local\RIVALSFPS.GG\rivalsfps-installer.exe
      "C:\Users\Admin\AppData\Local\RIVALSFPS.GG\rivalsfps-installer.exe" --migrate-cleanup "C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Executes dropped EXE
      PID:5264
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1652
    • 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:3580
  • 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:2672
  • 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:4216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        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

        rivalsfps-installer.exe
        • Path C:\Users\Admin\AppData\Local\RIVALSFPS.GG\rivalsfps-installer.exe
        • Size 7.1MB
        • SHA256 049cabb8c6266afc7df612981ef1653d4d9b56a206fef7a59289d3bd0ba6c9ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsfDC73.tmp\System.dll
        • Size 12KB
        • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        modern-wizard.bmp
        • Path C:\Users\Admin\AppData\Local\Temp\nsfDC73.tmp\modern-wizard.bmp
        • Size 150KB
        • SHA256 efc6346323fef860de7a1aea253011d4efdfc2b4bc5e4957ae3630082d52ac08
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nsDialogs.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsfDC73.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nsis_tauri_utils.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsfDC73.tmp\nsis_tauri_utils.dll
        • Size 33KB
        • SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nskDC43.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\nskDC43.tmp
        • Size 7.5MB
        • SHA256 87ed8437569b85700c1315004de2696233620034c2eb2597340167510ba49505
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2672-69-0x0000029802C80000-0x0000029802CA0000-memory.dmp
        Download

        memory/2672-77-0x0000029802EE0000-0x0000029802F00000-memory.dmp
        Download

        memory/2672-64-0x0000029874EC0000-0x0000029874FC0000-memory.dmp
        Download

        memory/2672-70-0x00000298040A0000-0x00000298041A0000-memory.dmp
        Download

        memory/2672-82-0x00000298144F0000-0x0000029814510000-memory.dmp
        Download

        memory/3580-209-0x000000000E570000-0x000000000E61E000-memory.dmp
        Download

        memory/3580-210-0x0000000007FF0000-0x0000000008033000-memory.dmp
        Download

        memory/4216-211-0x000002D780740000-0x000002D7809FC000-memory.dmp
        Download

        memory/4216-236-0x000002D780740000-0x000002D7809FC000-memory.dmp
        Download