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MalwareUsed by 11 actors

Windows Credential Editor

Also known aswce

Windows Credential Editor (WCE, also referred to as windows_credential_editor) is a credential-dumping utility for Windows. The provided content consistently describes it as extracting credentials from system memory—particularly LSASS memory—and from local storage such as the SAM database. It is explicitly associated with OS credential dumping from LSASS memory and is also described in some contexts as supporting remote login operations via pass-the-hash and pass-the-ticket to execute commands with higher privileges using acquired password hashes.

The content links WCE to multiple intrusion sets and campaigns as a dual-use or publicly available tool used during post-compromise activity. Reported users include APT39, APT40, APT41, FIN6, FIN8, BRONZE BUTLER, Cleaver, and Daserf. In the APT39 reporting, WCE was used alongside Mimikatz and ProcDump during intrusions targeting telecommunications and travel organizations, with broader reporting assessing APT39 as aligned with Iranian national interests and focused on surveillance, tracking, and collection of personal and customer data. APT40 reporting states the group used WCE along with ProcDump and custom tooling while targeting engineering, transportation, and defense organizations, especially maritime-related entities, in support of China-linked espionage objectives. APT41 is also specifically noted as obtaining and using Windows Credential Editor.

Behaviorally, the content states WCE can dump credentials and may access or inject into lsass.exe. Detection-oriented material in the content notes that WCE activity may be observable through Sysmon Event ID 8 when creating remote threads in lsass.exe, Sysmon Event ID 7 when unsigned modules are loaded into lsass.exe, and service-related events when used for remote login behavior, including installation of a service named WCESERVICE (for example, System Event ID 7045 and 7036). The content does not provide stable malware-specific network indicators or hashes, but the named artifact WCESERVICE is a concrete indicator mentioned directly in the source material.

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THREAT ACTORS

Groups observed using it

11 distinct threat actors attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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FIN5

APT41 has obtained and used tools such as Mimikatz, pwdump, PowerSploit, and Windows Credential Editor.

via mitre attack websiteattack.mitre.org
BRONZE BUTLER

APT41 has obtained and used tools such as Mimikatz, pwdump, PowerSploit, and Windows Credential Editor.

via mitre attack websiteattack.mitre.org
APT41

APT41 has obtained and used tools such as Mimikatz, pwdump, PowerSploit, and Windows Credential Editor.

via mitre attack websiteattack.mitre.org
Cleaver

APT41 has obtained and used tools such as Mimikatz, pwdump, PowerSploit, and Windows Credential Editor.

via mitre attack websiteattack.mitre.org
Threat Group-3390

APT41 has obtained and used tools such as Mimikatz, pwdump, PowerSploit, and Windows Credential Editor.

via mitre attack websiteattack.mitre.org
FIN6

Tools: Mimikatz, Invoke-Mimikatz, Windows Credential Editor (WCE), fgdump, pwdump6, pwdumpX

via slideshareslideshare.net
Daserf

APT39 has used Mimikatz, Windows Credential Editor and ProcDump to dump credentials... Windows Credential Editor can dump credentials.

via mitre attackattack.mitre.org
Net Crawler

APT39 has used Mimikatz, Windows Credential Editor and ProcDump to dump credentials... Windows Credential Editor can dump credentials.

via mitre attackattack.mitre.org
FIN8

APT39 has used Mimikatz, Windows Credential Editor and ProcDump to dump credentials... Windows Credential Editor can dump credentials.

via mitre attackattack.mitre.org
APT39

APT39 has used Mimikatz, Windows Credential Editor and ProcDump to dump credentials... Windows Credential Editor can dump credentials.

via mitre attackattack.mitre.org
Leviathan

Additionally, the Windows Sysinternals ProcDump utility and Windows Credential Editor (WCE) are believed to be used during intrusions as well.

via fireeyefireeye.com
MITRE ATT&CK

Techniques & procedures

10 distinct techniques documented for this family, organized by ATT&CK tactic.

T1588.002ToolEvidence2

The content repeatedly states that threat actors 'obtained,' 'acquired,' or 'used' publicly available, open-source, legitimate, or modified tools such as Mimikatz, Cobalt Strike, PsExec, Empire, Impacket, and many others.

Execution

1 technique
T1569.002Service ExecutionEvidence1
TacticExecution

Installation of Mimikatz driver. Lets hunt it! event_id:7045 AND (event_data.ServiceName:*mimidrv* OR event_data.ImagePath:*mimidrv*)

Persistence

1 technique
T1543.003Windows ServiceEvidence1

WCE ... A record of the fact that WCESERVICE was installed and executed ... Event ID : 7045 (A service was installed in the system) ... Event ID : 7036

T1055Process InjectionEvidence1

APT3 has used a tool to dump credentials by injecting itself into lsass.exe

T1055.001Dynamic-link Library InjectionEvidence1

CreateRemoteThread into LSASS. Sysmon events Mimikatz (lsadump::lsa /inject) lsadump PWDump6 Windows Credential Editor (WCE)

T1543.003Windows ServiceEvidence1

WCE ... A record of the fact that WCESERVICE was installed and executed ... Event ID : 7045 (A service was installed in the system) ... Event ID : 7036

Stealth

2 techniques
T1055Process InjectionEvidence1

APT3 has used a tool to dump credentials by injecting itself into lsass.exe

T1055.001Dynamic-link Library InjectionEvidence1

CreateRemoteThread into LSASS. Sysmon events Mimikatz (lsadump::lsa /inject) lsadump PWDump6 Windows Credential Editor (WCE)

Credential Access

2 techniques
T1003OS Credential DumpingEvidence7

Multiple groups are described as using credential theft tools including Mimikatz, pwdump, gsecdump, Windows Credential Editor, LaZagne, KeeThief, ChromePass, and Nirsoft WebBrowserPassView.

T1003.001LSASS MemoryEvidence4

LSASS memory contain a lot of sensitive data that can be dumped!... There several ways: • online from ring3 – OpenProcess…; • online from ring0 – use driver for accessing LSASS memory; • offline from LSASS memory dumps; • offline from other sources, that contain LSASS memory.

Lateral Movement

3 techniques
T1021.006Windows Remote ManagementEvidence1

WCE (Remote Login) ... Remotely executes a command on another machine ... Windows Management Instrumentation ... WMIC.exe ... WmiPrvSE.exe ... random 5-digit port (WMIC)

T1550Use Alternate Authentication MaterialEvidence1

WCE (Remote Login) pass-the-hash, pass-the-ticket ... Mimikatz (Remote Login) pass-the-hash, pass-the-ticket ... Executes a command with another user's privileges using a hash of the acquired password

T1550.002Pass the HashEvidence1

Table of contents includes "Pass-the-hash, Pass-the-ticket" and tools like WCE and Mimikatz for remote login; PWDumpX notes it "uses the acquired hash to perform attacks such as pass-the-hash."

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.
IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution11

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping10

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.