Threat Actor

BRONZE BUTLER

Also known as: BRONZE BUTLER, REDBALDKNIGHT, Tick

[BRONZE BUTLER](https://attack.mitre.org/groups/G0060) is a cyber espionage group with likely Chinese origins that has been active since at least 2008. The group primarily targets Japanese organizations, particularly those in government, biotechnology, electronics manufacturing, and industrial chemistry.(Citation: Trend Micro Daserf Nov 2017)(Citation: Secureworks BRONZE BUTLER Oct 2017)(Citation: Trend Micro Tick November 2019)

41
Techniques
15
Software

Properties

stix_id
intrusion-set--93f52415-0fe4-4d3d-896c-fc9b8e88ab90
signal_observed_at
2026-09-11T17:55:00+00:00
type
intrusion-set

MITRE ATT&CK Techniques (41)

Archive via Utility

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

At

Adversaries may abuse the [at](https://attack.mitre.org/software/S0110) utility to perform task scheduling for initial or recurring execution of malic

Binary Padding

Adversaries may use binary padding to add junk data and change the on-disk representation of malware. This can be done without affecting the functiona

Bypass User Account Control

Adversaries may bypass UAC mechanisms to elevate process privileges on system. Windows User Account Control (UAC) allows a program to elevate its priv

DLL

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

Data from Local System

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

Data from Network Shared Drive

Adversaries may search network shares on computers they have compromised to find files of interest. Sensitive data can be collected from remote system

Dead Drop Resolver

Adversaries may use an existing, legitimate external Web service to host information that points to additional command and control (C2) infrastructure

Deobfuscate/Decode Files or Information

Adversaries may use [Obfuscated Files or Information](https://attack.mitre.org/techniques/T1027) to hide artifacts of an intrusion from analysis. They

Disable or Modify Tools

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

Disable or Modify Tools

Adversaries may modify and/or disable security tools to avoid possible detection of their malware/tools and activities. This may take many forms, such

Domain Account

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

Drive-by Compromise

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing. Multiple ways of delivering exploit code

Exploitation for Client Execution

Adversaries may exploit software vulnerabilities in client applications to execute code. Vulnerabilities can exist in software due to unsecure coding

File Deletion

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

File and Directory Discovery

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

Ingress Tool Transfer

Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external ad

LSASS Memory

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

Malicious File

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

Masquerading

Adversaries may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Masqueradin

Match Legitimate Resource Name or Location

Adversaries may match or approximate the name or location of legitimate files, Registry keys, or other resources when naming/placing them. This is don

Pass the Ticket

Adversaries may “pass the ticket” using stolen Kerberos tickets to move laterally within an environment, bypassing normal system access controls. Pass

PowerShell

Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environ

Python

Adversaries may abuse Python commands and scripts for execution. Python is a very popular scripting/programming language, with capabilities to perform

Registry Run Keys / Startup Folder

Adversaries may achieve persistence by adding a program to a startup folder or referencing it with a Registry run key. Adding an entry to the "run key

Remote System Discovery

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

Right-to-Left Override

Adversaries may abuse the right-to-left override (RTLO or RLO) character (U+202E) to disguise a string and/or file name to make it appear benign. RTLO

Scheduled Task

Adversaries may abuse the Windows Task Scheduler to perform task scheduling for initial or recurring execution of malicious code. There are multiple w

Screen Capture

Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation. Screen capturing functionality m

Software Discovery

Adversaries may attempt to get a listing of software and software versions that are installed on a system or in a cloud environment. Adversaries may u

Software & Tools (15)

ABK [malware]

[ABK](https://attack.mitre.org/software/S0469) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) since at l

Avenger [malware]

[Avenger](https://attack.mitre.org/software/S0473) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) since

BBK [malware]

[BBK](https://attack.mitre.org/software/S0470) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) since at l

Daserf [malware]

[Daserf](https://attack.mitre.org/software/S0187) is a backdoor that has been used to spy on and steal from Japanese, South Korean, Russian, Singapore

MimiKatz [malware]

[Mimikatz](https://attack.mitre.org/software/S0002) is a credential dumper capable of obtaining plaintext Windows account logins and passwords, along

Mimikatz [tool]

[Mimikatz](https://attack.mitre.org/software/S0002) is a credential dumper capable of obtaining plaintext Windows account logins and passwords, along

Net [tool]

The [Net](https://attack.mitre.org/software/S0039) utility is a component of the Windows operating system. It is used in command-line operations for c

ShadowPad [malware]

[ShadowPad](https://attack.mitre.org/software/S0596) is a modular backdoor that was first identified in a supply chain compromise of the NetSarang sof

Windows Credential Editor [tool]

[Windows Credential Editor](https://attack.mitre.org/software/S0005) is a password dumping tool. (Citation: Amplia WCE)

at [tool]

[at](https://attack.mitre.org/software/S0110) is used to schedule tasks on a system to run at a specified date or time.(Citation: TechNet At)(Citation

build_downer [malware]

[build_downer](https://attack.mitre.org/software/S0471) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) s

cmd [tool]

[cmd](https://attack.mitre.org/software/S0106) is the Windows command-line interpreter that can be used to interact with systems and execute other pro

down_new [malware]

[down_new](https://attack.mitre.org/software/S0472) is a downloader that has been used by [BRONZE BUTLER](https://attack.mitre.org/groups/G0060) sinc

gsecdump [tool]

[gsecdump](https://attack.mitre.org/software/S0008) is a publicly-available credential dumper used to obtain password hashes and LSA secrets from Wind

schtasks [tool]

[schtasks](https://attack.mitre.org/software/S0111) is used to schedule execution of programs or scripts on a Windows system to run at a specific date

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