dfirhub

OutlookPSTOST

Appsv1.1

Author: Eric Zimmerman and Chad Tilbury

description

Outlook PST and OST files

paths

8 paths
CommunicationsPST XP
C:\Documents and Settings\%user%\Local Settings\Application Data\Microsoft\Outlook\*.pst
CommunicationsOST XP
C:\Documents and Settings\%user%\Local Settings\Application Data\Microsoft\Outlook\*.ost
CommunicationsPST (2013 or 2016)
C:\Users\%user%\Documents\Outlook Files\*.pst
CommunicationsOST (2013 or 2016)
C:\Users\%user%\Documents\Outlook Files\*.ost
CommunicationsPST
C:\Users\%user%\AppData\Local\Microsoft\Outlook\*.pst

Outlook Data File: POP accounts, archives, older installations

CommunicationsOST
C:\Users\%user%\AppData\Local\Microsoft\Outlook\*.ost

Offline Outlook Data File: M365, Exchange, IMAP

CommunicationsNST
C:\Users\%user%\AppData\Local\Microsoft\Outlook\*.nst

Outlook Group Storage File: Group conversations and calendar

CommunicationsOutlook Attachment Temporary Storage
C:\Users\%user%\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\

Outlook temporary storage folder for user attachments

› paths use Windows environment syntax

collection commands 

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

#Requires -RunAsAdministrator

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

# Function to handle directory creation and copying
function Collect-Artifact {
    param (
        [string]$SourcePath,
        [string]$FolderName
    )
    $FullDest = Join-Path -Path $DestBase -ChildPath $FolderName
    if (-not (Test-Path -Path $FullDest)) {
        New-Item -ItemType Directory -Path $FullDest -Force | Out-Null
    }
    Copy-Item -Path $SourcePath -Destination $FullDest -Recurse -Force
}

# 1. PST XP
$UserPath = Join-Path $env:USERPROFILE "Local Settings\Application Data\Microsoft\Outlook\"
Collect-Artifact -SourcePath "$UserPath\*.pst" -FolderName "PST_XP"

# 2. OST XP
$UserPath = Join-Path $env:USERPROFILE "Local Settings\Application Data\Microsoft\Outlook\"
Collect-Artifact -SourcePath "$UserPath\*.ost" -FolderName "OST_XP"

# 3. PST (2013 or 2016)
$UserPath = Join-Path $env:USERPROFILE "Documents\Outlook Files\"
Collect-Artifact -SourcePath "$UserPath\*.pst" -FolderName "PST__2013_or_2016_"

# 4. OST (2013 or 2016)
$UserPath = Join-Path $env:USERPROFILE "Documents\Outlook Files\"
Collect-Artifact -SourcePath "$UserPath\*.ost" -FolderName "OST__2013_or_2016_"

# 5. PST
$UserPath = Join-Path $env:USERPROFILE "AppData\Local\Microsoft\Outlook\"
Collect-Artifact -SourcePath "$UserPath\*.pst" -FolderName "PST"

# 6. OST
$UserPath = Join-Path $env:USERPROFILE "AppData\Local\Microsoft\Outlook\"
Collect-Artifact -SourcePath "$UserPath\*.ost" -FolderName "OST"

# 7. NST
$UserPath = Join-Path $env:USERPROFILE "AppData\Local\Microsoft\Outlook\"
Collect-Artifact -SourcePath "$UserPath\*.nst" -FolderName "NST"

# 8. Outlook Attachment Temporary Storage
$UserPath = Join-Path $env:USERPROFILE "AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\"
Collect-Artifact -SourcePath "$UserPath\*" -FolderName "Outlook_Attachment_Temporary_Storage"

Write-Host "Collection complete!" -ForegroundColor Green

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

references