Resubmissions

24/07/2026, 06:02

260724-grslhsef628

24/07/2026, 05:57

260724-gn3mbatang8

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 05:57

General

  • Target
    remove_lenovo.bat
  • Size 862B
  • Sample260724-gn3mbatang
  • SHA256 51ad23115774ec40b2d498ff6e240c9d4daa7c68e4894f77039636e4334c4777
  • MD5 SHA1 SHA512 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.

  • Stops running service(s) 4 TTPs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 2 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

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

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

  • Kills process with taskkill 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\remove_lenovo.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Windows\system32\net.exe
      net session
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 session
        3⤵
          PID:3248
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im LenovoVantage*.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5836
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-AppxPackage *Lenovo* | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue"
        2⤵
        • Hide Artifacts: Ignore Process Interrupts
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2908
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -like '*Lenovo*'} | Remove-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue"
        2⤵
        • Drops file in Windows directory
        • Hide Artifacts: Ignore Process Interrupts
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5024
        • C:\Windows\System32\Dism\dismhost.exe
          C:\Windows\System32\Dism\dismhost.exe {F49EBC40-9C8C-4242-9CFF-24253ECFA3FF}
          3⤵
          • Drops file in Windows directory
          PID:6512
      • C:\Windows\system32\sc.exe
        sc delete LenovoVantageService
        2⤵
        • Launches sc.exe
        PID:5448
      • C:\Windows\system32\sc.exe
        sc delete imLenovo
        2⤵
        • Launches sc.exe
        PID:4108
      • C:\Windows\system32\taskkill.exe
        taskkill /f /im explorer.exe
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3904
      • C:\Windows\explorer.exe
        explorer.exe
        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:6392
    • 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:6008
    • 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:2616

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 2KB
          • SHA256 1f5997dbfa523ca17ddaa7c03453ae0effed83d3feae9c8247b620ab7754f094
          • MD5 SHA1 SHA512 TLSH

          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

          __PSScriptPolicyTest_4cf3o1ul.pby.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4cf3o1ul.pby.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          dism.log

          • Path C:\Windows\Logs\DISM\dism.log
          • Size 292KB
          • SHA256 b2f725f990c652ffd4282e65912967f76d1007090631753b771d9ca0e26564c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dism.log

          • Path C:\Windows\Logs\DISM\dism.log
          • Size 293KB
          • SHA256 06cc6d03c6820ef03dca5321831a004c91c28bfeb682d7f222fef32fc31eea71
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dism.log

          • Path C:\Windows\Logs\DISM\dism.log
          • Size 294KB
          • SHA256 fdd31581ab228556f905d52a67bb87db169afd0a49655bea309b2e6265542a67
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2908-12-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-10-0x0000025F1BE10000-0x0000025F1BE2E000-memory.dmp

          memory/2908-0-0x00007FFD38F4F000-0x00007FFD38F50000-memory.dmp

          memory/2908-14-0x0000025F1BE50000-0x0000025F1BE6A000-memory.dmp

          memory/2908-13-0x0000025F1C5E0000-0x0000025F1C7E4000-memory.dmp

          memory/2908-15-0x0000025F1C410000-0x0000025F1C43A000-memory.dmp

          memory/2908-18-0x0000025F1BE30000-0x0000025F1BE3A000-memory.dmp

          memory/2908-19-0x0000025F1BE40000-0x0000025F1BE48000-memory.dmp

          memory/2908-20-0x0000025F1C3D0000-0x0000025F1C3F6000-memory.dmp

          memory/2908-17-0x0000025F1BE20000-0x0000025F1BE26000-memory.dmp

          memory/2908-16-0x0000025F1BE10000-0x0000025F1BE18000-memory.dmp

          memory/2908-21-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-23-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-11-0x0000025F1C1C0000-0x0000025F1C272000-memory.dmp

          memory/2908-7-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-3-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-4-0x0000025F038F0000-0x0000025F03912000-memory.dmp

          memory/2908-6-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/2908-5-0x00007FFD38DC0000-0x00007FFD39764000-memory.dmp

          memory/5024-30-0x0000029A6AD60000-0x0000029A6AD88000-memory.dmp

          memory/5024-29-0x0000029A6A8A0000-0x0000029A6A8AA000-memory.dmp

          memory/6008-49-0x000001A4801E0000-0x000001A4802E0000-memory.dmp

          memory/6008-76-0x000001A482D50000-0x000001A482D70000-memory.dmp

          memory/6008-65-0x000001A482E70000-0x000001A482F70000-memory.dmp

          memory/6008-95-0x000001A4941F0000-0x000001A494210000-memory.dmp

          memory/6008-51-0x000001A4801E0000-0x000001A4802E0000-memory.dmp

          memory/6008-50-0x000001A4801E0000-0x000001A4802E0000-memory.dmp

          memory/6008-63-0x000001A482910000-0x000001A482930000-memory.dmp