Overview

overview

8

Static

static

1

MAS/All-In...IO.cmd

windows10-2004-x64

4

MAS/All-In...IO.cmd

windows11-ltsc_2024-x64

8

MAS/Separa...on.cmd

windows10-2004-x64

4

MAS/Separa...on.cmd

windows11-ltsc_2024-x64

4

MAS/Separa...IO.cmd

windows10-2004-x64

4

MAS/Separa...IO.cmd

windows11-ltsc_2024-x64

4

MAS/Separa...on.cmd

windows10-2004-x64

4

MAS/Separa...on.cmd

windows11-ltsc_2024-x64

4

MAS/Separa...on.cmd

windows10-2004-x64

4

MAS/Separa...on.cmd

windows11-ltsc_2024-x64

8

MAS/Separa...on.cmd

windows10-2004-x64

4

MAS/Separa...on.cmd

windows11-ltsc_2024-x64

8

MAS/Separa...on.cmd

windows10-2004-x64

4

MAS/Separa...on.cmd

windows11-ltsc_2024-x64

4

MAS/Separa...us.cmd

windows10-2004-x64

3

MAS/Separa...us.cmd

windows11-ltsc_2024-x64

3

MAS/Separa...er.cmd

windows10-2004-x64

4

MAS/Separa...er.cmd

windows11-ltsc_2024-x64

8

MAS/Separa...ot.cmd

windows10-2004-x64

4

MAS/Separa...ot.cmd

windows11-ltsc_2024-x64

4

MAS/Separa...e.html

windows10-2004-x64

3

MAS/Separa...e.html

windows11-ltsc_2024-x64

4

Analysis

  • max time kernel
    148s
  • max time network
    130s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 11:43

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General

  • Target
    MAS/Separate-Files-Version/Extract_OEM_Folder.cmd
  • Size 24KB
  • Sample260702-nvtrbag191
  • SHA256 8149efb071552f848ff87429118e9ad0bb9ff7ce0aa4bb428a83fad852e6d539
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Launches sc.exe 1 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MAS\Separate-Files-Version\Extract_OEM_Folder.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\System32\sc.exe
      sc query Null
      2⤵
      • Launches sc.exe
      PID:3920
    • C:\Windows\System32\find.exe
      find /i "RUNNING"
      2⤵
        PID:3900
      • C:\Windows\System32\findstr.exe
        findstr /v "$" "Extract_OEM_Folder.cmd"
        2⤵
          PID:5664
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c ver
          2⤵
            PID:2628
          • C:\Windows\System32\reg.exe
            reg query "HKCU\Console" /v ForceV2
            2⤵
              PID:4276
            • C:\Windows\System32\find.exe
              find /i "0x0"
              2⤵
                PID:2524
              • C:\Windows\System32\cmd.exe
                C:\Windows\System32\cmd.exe /S /D /c" echo "AMD64 " "
                2⤵
                  PID:5424
                • C:\Windows\System32\find.exe
                  find /i "ARM64"
                  2⤵
                    PID:3968
                  • C:\Windows\System32\cmd.exe
                    C:\Windows\System32\cmd.exe /c echo prompt $E | cmd
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4992
                    • C:\Windows\System32\cmd.exe
                      C:\Windows\System32\cmd.exe /S /D /c" echo prompt $E "
                      3⤵
                        PID:2384
                      • C:\Windows\System32\cmd.exe
                        cmd
                        3⤵
                          PID:4452
                      • C:\Windows\System32\cmd.exe
                        C:\Windows\System32\cmd.exe /S /D /c" echo "C:\Users\Admin\AppData\Local\Temp\MAS\Separate-Files-Version\Extract_OEM_Folder.cmd" "
                        2⤵
                          PID:1488
                        • C:\Windows\System32\find.exe
                          find /i "C:\Users\Admin\AppData\Local\Temp"
                          2⤵
                            PID:2272
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                          • Suspicious use of FindShellTrayWindow
                          • Suspicious use of WriteProcessMemory
                          PID:5924
                          • 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:2512
                        • 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:2328
                        • 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:2432

                        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
                              Submit Download

                              memory/2328-2-0x0000017900140000-0x0000017900240000-memory.dmp
                              Download

                              memory/2328-3-0x0000017900140000-0x0000017900240000-memory.dmp
                              Download

                              memory/2328-1-0x0000017900140000-0x0000017900240000-memory.dmp
                              Download

                              memory/2328-33-0x0000017903BF0000-0x0000017903C10000-memory.dmp
                              Download

                              memory/2328-15-0x0000017903DB0000-0x0000017903EB0000-memory.dmp
                              Download

                              memory/2328-47-0x0000017914170000-0x0000017914190000-memory.dmp
                              Download

                              memory/2328-14-0x00000179039B0000-0x00000179039D0000-memory.dmp
                              Download

                              memory/2512-182-0x0000000006500000-0x00000000066CA000-memory.dmp
                              Download