Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 18:38

General

  • Target
    gta5installerfr.exe
  • Size 94KB
  • Sample260705-xaf46ae13s
  • SHA256 ffb2cf400e8633e44e8add03307e7be4d2f9e226c0c956bc3f0c728c9f3ec3b0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • ratonrat

Version
  • v4.0.0

C2
  • 192.168.100.250:8347

Mutex
  • DHCf4mvE0uSghlyBOV7krDP

Attributes
  • assist

    true

  • box

    false

  • box_icon

    No icon

  • box_msg

    Hello, i'm the description of your raton client message box

  • box_title

    Hello, im a title for your message box

  • defender

    true

  • delay

    0

  • hide_file

    true

  • open_website

    false

  • process_critical

    true

  • reconnect

    3

  • startup

    true

  • tag

    Infected

  • uac

    true

  • vm

    true

  • website

    https://t.me/sillyisafed

Signatures

  • Family: RatonRAT

    RatonRAT is an information stealer written in C#.

  • Detects RatonRAT payload 2 IoCs
  • 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.

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Costura .NET executable packer 1 IoCs

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

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

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

  • Delays execution with timeout.exe 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\gta5installerfr.exe
    "C:\Users\Admin\AppData\Local\Temp\gta5installerfr.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5440
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\cleanup_pBmhJSLjet6UpRvP4bjC54FyJAQYBy.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4772
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2260
        • C:\Windows\system32\timeout.exe
          timeout /t 2 /nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:1884
        • C:\Windows\system32\timeout.exe
          timeout /t 1 /nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:6108
        • C:\Windows\system32\timeout.exe
          timeout /t 1 /nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:2624
        • C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe
          "C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:5480
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "gta5installerfr" /sc ONLOGON /tr "\"C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe\"" /rl HIGHEST /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3432
        • C:\Windows\system32\timeout.exe
          timeout /t 1 /nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:5264
    • C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe
      "C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe"
      1⤵
      • Executes dropped EXE
      PID:4248
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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:2372
    • 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:5756
    • 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:3248

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH

          gta5installerfr.exe

          • Path C:\Users\Admin\AppData\Roaming\PlatformRuntime\gta5installerfr.exe
          • Size 94KB
          • SHA256 ffb2cf400e8633e44e8add03307e7be4d2f9e226c0c956bc3f0c728c9f3ec3b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cleanup_pBmhJSLjet6UpRvP4bjC54FyJAQYBy.bat

          • Path C:\Users\Admin\AppData\Roaming\Temp\cleanup_pBmhJSLjet6UpRvP4bjC54FyJAQYBy.bat
          • Size 562B
          • SHA256 54ca4a6d0ca48200c82d63645ab9f091da4cd0c4a6b6093231a3c8dd266bedb6
          • MD5 SHA1 SHA512 TLSH

          memory/5440-6-0x00007FFB0B100000-0x00007FFB0BAA4000-memory.dmp

          memory/5440-0-0x00007FFB0B28F000-0x00007FFB0B290000-memory.dmp

          memory/5440-5-0x00007FFB0B100000-0x00007FFB0BAA4000-memory.dmp

          memory/5440-8-0x00007FFB0B100000-0x00007FFB0BAA4000-memory.dmp

          memory/5440-9-0x00007FFB0B100000-0x00007FFB0BAA4000-memory.dmp

          memory/5440-2-0x0000024F2C180000-0x0000024F2C188000-memory.dmp

          memory/5440-1-0x0000024F2BD00000-0x0000024F2BD1E000-memory.dmp

          memory/5756-26-0x000002AD801E0000-0x000002AD802E0000-memory.dmp

          memory/5756-76-0x000002AD94210000-0x000002AD94230000-memory.dmp

          memory/5756-45-0x000002AD93E90000-0x000002AD93F90000-memory.dmp

          memory/5756-28-0x000002AD801E0000-0x000002AD802E0000-memory.dmp

          memory/5756-62-0x000002AD83C90000-0x000002AD83CB0000-memory.dmp

          memory/5756-43-0x000002AD83A30000-0x000002AD83A50000-memory.dmp

          memory/5756-27-0x000002AD801E0000-0x000002AD802E0000-memory.dmp