CertUtil

Author: NVISO (@NVISOsecurity), 2thewes

description

Certutil

paths

4 paths
paths use Windows environment syntax

collection commands

# PowerShell Artifact Collection Script
# Target: CertUtil
# Run as Administrator

#Requires -RunAsAdministrator

$ErrorActionPreference = "SilentlyContinue"
$DestBase = "D:\Evidence"

# Function to handle artifact collection with robocopy
function Collect-Artifact {
    param (
        [string]$SourceDir,
        [string]$FolderName,
        [string]$FileMask = "*"
    )
    $FullDest = Join-Path -Path $DestBase -ChildPath $FolderName
    robocopy "$SourceDir" "$FullDest" "$FileMask" /E /COPY:DAT /R:0 /W:0 /NP /NFL /NDL /NJH /NJS | Out-Null
}

# 1. System CryptnetUrlCache
Collect-Artifact -SourceDir "C:\Windows\System32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\" -FolderName "System_CryptnetUrlCache"

# 2. System WOW64 CryptnetUrlCache
Collect-Artifact -SourceDir "C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\" -FolderName "System_WOW64_CryptnetUrlCache"

# 3. User CryptnetUrlCache
$UserPath = Join-Path $env:USERPROFILE "AppData\LocalLow\Microsoft\CryptnetUrlCache\"
Collect-Artifact -SourceDir "$UserPath" -FolderName "User_CryptnetUrlCache"

# 4. INetCache
$UserPath = Join-Path $env:USERPROFILE "AppData\Local\Microsoft\Windows\INetCache\IE\"
Collect-Artifact -SourceDir "$UserPath" -FolderName "INetCache"

Write-Host "Collection complete!" -ForegroundColor Green

Save as .ps1 and run as Administrator. Use: powershell -ExecutionPolicy Bypass -File script.ps1

› cyberchef recipes

Open in CyberChef to decode values extracted from this artifact.

references