Analysis

  • max time kernel
    929s
  • max time network
    548s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/09/2026, 07:39

General

  • Target
    filecleaner_setup.exe
  • Size 5.6MB
  • Sample260909-jg7c2atzcs
  • SHA256 8d10322d48c94657bab8df76d0a403ef35471304334069270af15da3a61c8e1e
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Executes dropped EXE 1 IoCs
  • 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 3 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

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

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

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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\filecleaner_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\filecleaner_setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:244
    • C:\Users\Admin\AppData\Local\Temp\is-FU6S0.tmp\filecleaner_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FU6S0.tmp\filecleaner_setup.tmp" /SL5="$5018A,5362626,267776,C:\Users\Admin\AppData\Local\Temp\filecleaner_setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:260
      • C:\Windows\SysWOW64\TaskKill.exe
        "C:\Windows\system32\TaskKill.exe" /F /IM FileCleaner.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4516
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2508
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5424
      • 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:6072
    • 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:4744
    • 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:3980
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5544

      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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH

            filecleaner_setup.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-FU6S0.tmp\filecleaner_setup.tmp
            • Size 1.3MB
            • SHA256 533d15375984d2b95932ca90f17fb49e5945e3678dafe0d736d1dc6863f69a7c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/244-0-0x0000000000400000-0x000000000044B000-memory.dmp

            memory/244-8-0x0000000000400000-0x000000000044B000-memory.dmp

            memory/260-6-0x0000000000880000-0x0000000000881000-memory.dmp

            memory/260-10-0x0000000000880000-0x0000000000881000-memory.dmp

            memory/260-9-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-12-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-14-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-16-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-18-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-20-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-22-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-24-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-26-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-28-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-30-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-32-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-34-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-36-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-38-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-40-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-42-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-44-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-46-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-48-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-50-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-52-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-54-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-56-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-58-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-60-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-62-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-64-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-66-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-68-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-70-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-72-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-74-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-76-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-80-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-82-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-84-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-86-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/260-228-0x0000000000400000-0x0000000000550000-memory.dmp

            memory/4744-151-0x0000018B0B700000-0x0000018B0B720000-memory.dmp

            memory/4744-120-0x0000018301C80000-0x0000018301CA0000-memory.dmp

            memory/4744-113-0x0000018B0B3C0000-0x0000018B0B4C0000-memory.dmp

            memory/4744-112-0x0000018301A20000-0x0000018301A40000-memory.dmp

            memory/4744-107-0x00000183001E0000-0x00000183002E0000-memory.dmp

            memory/4744-106-0x00000183001E0000-0x00000183002E0000-memory.dmp

            memory/4744-105-0x00000183001E0000-0x00000183002E0000-memory.dmp

            memory/6072-269-0x000000000DB40000-0x000000000E3BB000-memory.dmp

            memory/6072-357-0x000000000DB40000-0x000000000E3BB000-memory.dmp