Threat Actor

MirrorFace

Also known as: MirrorFace, Earth Kasha

MirrorFace is a People's Republic of China (PRC)-aligned cyberespionage actor believed to be a subgroup under the menuPass umbrella based on targeting, tools, and infrastructure overlaps. MirrorFace has been active since at least 2019, at first exclusively targeting Japanese organizations across the media, defense, diplomatic, financial, manufacturing, and academic sectors. Subsequent MirrorFace operations included targets in Central Europe and featured use of LODEINFO, HiddenFace, and UPPERCUT malware.

43
Techniques
16
Software
1
Attributed campaigns
0
indicators on this record

Properties

Last source
MITRE ATT&CK
STIX ID
intrusion-set--8cf6e33b-b6ef-4a1f-a77c-0ecdde93161f
In Signal since
initial import (Sep 2026)
Retrieved at
2026-10-26T02:59:16+00:00
Origin source
attack_description
Type
intrusion-set
Origin country
CN

MITRE ATT&CK Techniques (showing 30 of 43)

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Archive via Utility (T1560.001)

Adversaries may use utilities to compress and/or encrypt collected data prior to exfiltration. Many utilities include functionalities to compress, enc

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Clear Windows Event Logs (T1685.005)

Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Windows Event Logs are a record of a computer's alerts and notification

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Code Signing (T1553.002)

Adversaries may create, acquire, or steal code signing materials to sign their malware or tools. Code signing provides a level of authenticity on a bi

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DLL (T1574.001)

Adversaries may abuse dynamic-link library files (DLLs) in order to achieve persistence, escalate privileges, and evade defenses. DLLs are libraries t

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Data from Local System (T1005)

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to

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Disable or Modify Tools (T1685)

Adversaries may disable, degrade, or tamper with security tools or applications (e.g., endpoint detection and response (EDR) tools, intrusion detectio

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Domain Account (T1087.002)

Adversaries may attempt to get a listing of domain accounts. This information can help adversaries determine which domain accounts exist to aid in fol

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Domain Trust Discovery (T1482)

Adversaries may attempt to gather information on domain trust relationships that may be used to identify lateral movement opportunities in Windows mul

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Encrypted/Encoded File (T1027.013)

Adversaries may encrypt or encode files to obfuscate strings, bytes, and other specific patterns to impede detection. Encrypting and/or encoding file

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Exfiltration Over Asymmetric Encrypted Non-C2 Protocol (T1048.002)

Adversaries may steal data by exfiltrating it over an asymmetrically encrypted network protocol other than that of the existing command and control ch

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Exploit Public-Facing Application (T1190)

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network. The weakness in the system can be a

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File Deletion (T1070.004)

Adversaries may delete files left behind by the actions of their intrusion activity. Malware, tools, or other non-native files dropped or created on a

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File Transfer Protocols (T1071.002)

Adversaries may communicate using application layer protocols associated with transferring files to avoid detection/network filtering by blending in w

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File and Directory Discovery (T1083)

Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file s

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Gather Victim Org Information (T1591)

Adversaries may gather information about the victim's organization that can be used during targeting. Information about an organization may include a

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Impersonation (T1684.001)

Adversaries may impersonate a trusted person or organization in order to persuade and trick a target into performing some action on their behalf. For

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LSASS Memory (T1003.001)

Adversaries may attempt to access credential material stored in the process memory of the Local Security Authority Subsystem Service (LSASS). After a

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Local Email Collection (T1114.001)

Adversaries may target user email on local systems to collect sensitive information. Files containing email data can be acquired from a user’s local s

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Malicious File (T1204.002)

An adversary may rely upon a user opening a malicious file in order to gain execution. Users may be subjected to social engineering to get them to ope

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Malware (T1587.001)

Adversaries may develop malware and malware components that can be used during targeting. Building malicious software can include the development of p

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Masquerade File Type (T1036.008)

Adversaries may masquerade malicious payloads as legitimate files through changes to the payload's formatting, including the file’s signature, extensi

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NTDS (T1003.003)

Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain

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Password Filter DLL (T1556.002)

Adversaries may register malicious password filter dynamic link libraries (DLLs) into the authentication process to acquire user credentials as they a

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Process Discovery (T1057)

Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common

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Proxy (T1090)

Adversaries may use a connection proxy to direct network traffic between systems or act as an intermediary for network communications to a command and

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Remote Data Staging (T1074.002)

Adversaries may stage data collected from multiple systems in a central location or directory on one system prior to Exfiltration. Data may be kept in

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Remote Desktop Protocol (T1021.001)

Adversaries may use Valid Accounts to log into a computer using the Remote Desktop Protocol (RDP). The ad

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Remote System Discovery (T1018)

Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Later

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SMB/Windows Admin Shares (T1021.002)

Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SM

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Security Account Manager (T1003.002)

Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through

Software & Tools (16)

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BITSAdmin [tool]

BITSAdmin is a command line tool used to create and manage [BITS Jobs](https://attack.mitre.org/techniques/

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Cobalt Strike [tool]

Cobalt Strike is a commercial, full-featured, remote access tool that bills itself as “adversary simulation

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DOWNIISSA [malware]

DOWNIISSA is a shellcode downloader that has been used by [MirrorFace](https://attack.mitre.org/groups/G105

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HiddenFace [malware]

HiddenFace is a modular backdoor developed and used exclusively by [MirrorFace](https://attack.mitre.org/gr

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LODEINFO [malware]

LODEINFO is a fileless backdoor malware first identified in 2020 that has been used by actors including [Mi

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MirrorStealer [malware]

MirrorStealer is a credential stealer that has been used by [MirrorFace](https://attack.mitre.org/groups/G1

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NOOPLDR [malware]

NOOPLDR is a shellcode loader with XML/C# and DLL versions that has been used by [MirrorFace](https://attac

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Net [tool]

The Net utility is a component of the Windows operating system. It is used in command-line operations for c

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Nltest [tool]

Nltest is a Windows command-line utility used to list domain controllers and enumerate domain trusts.(Citat

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Ping [tool]

Ping is an operating system utility commonly used to troubleshoot and verify network connections. (Citation

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ROAMINGHOUSE [malware]

ROAMINGHOUSE is a dropper malware used by MirrorFace to extract an

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Tasklist [tool]

The Tasklist utility displays a list of applications and services with their Process IDs (PID) for all task

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UPPERCUT [malware]

UPPERCUT is a 32-bit HTTP-based backdoor that has been used by [menuPass](https://attack.mitre.org/groups/G

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Wevtutil [tool]

Wevtutil is a Windows command-line utility that enables administrators to retrieve information about event

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ipconfig [tool]

ipconfig is a Windows utility that can be used to find information about a system's TCP/IP, DNS, DHCP, and

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nbtstat [tool]

nbtstat is a utility used to troubleshoot NetBIOS name resolution.

Attributed campaigns (1)

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Operation AkaiRyū

Operation AkaiRyū (Japanese for RedDragon) was a cyberespionage spearphishing campaign conducted by [Mirro

Explore this actor's full graph with Ninja Signal

MirrorFace — Threat Actor Profile — Ninja Signal | Ninja Signal