Threat Actor

APT37

APT37 is a North Korean state-sponsored cyber espionage group that has been active since at least 2012. The group has targeted victims primarily in South Korea, but also in Japan, Vietnam, Russia, Nepal, China, India, Romania, Kuwait, and other parts of the Middle East. APT37 has also been linked to the following campaigns between 2016-2018: Operation Daybreak, Operation Erebus, Golden Time, Evil New Year, Are you Happy?, FreeMilk, North Korean Human Rights, and Evil New Year 2018. North Korean group definitions are known to have significant overlap, and some security researchers report all North Korean state-sponsored cyber activity under the name Lazarus Group instead of tracking clusters or subgroups.

29
Techniques
13
Software
0
indicators on this record

Properties

Last source
MITRE ATT&CK
STIX ID
intrusion-set--4a2ce82e-1a74-468a-a6fb-bbead541383c
In Signal since
initial import (Sep 2026)
Retrieved at
2026-11-02T12:53:29+00:00
Origin source
attack_description
Type
intrusion-set
Origin country
KP

MITRE ATT&CK Techniques (29)

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Audio Capture (T1123)

An adversary can leverage a computer's peripheral devices (e.g., microphones and webcams) or applications (e.g., voice and video call services) to cap

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Bidirectional Communication (T1102.002)

Adversaries may use an existing, legitimate external Web service as a means for sending commands to and receiving output from a compromised system ove

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Bypass User Account Control (T1548.002)

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

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Command and Scripting Interpreter (T1059)

Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries. These interfaces and languages provide ways of intera

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Credentials from Web Browsers (T1555.003)

Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web bro

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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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Disk Structure Wipe (T1561.002)

Adversaries may corrupt or wipe the disk data structures on a hard drive necessary to boot a system; targeting specific critical systems or in large n

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Drive-by Compromise (T1189)

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

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Dynamic Data Exchange (T1559.002)

Adversaries may use Windows Dynamic Data Exchange (DDE) to execute arbitrary commands. DDE is a client-server protocol for one-time and/or continuous

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Exploitation for Client Execution (T1203)

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

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Ingress Tool Transfer (T1105)

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

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Invalid Code Signature (T1036.001)

Adversaries may attempt to mimic features of valid code signatures to increase the chance of deceiving a user, analyst, or tool. Code signing provides

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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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Native API (T1106)

Adversaries may interact with the native OS application programming interface (API) to execute behaviors. Native APIs provide a controlled means of ca

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Obfuscated Files or Information (T1027)

Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents

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Peripheral Device Discovery (T1120)

Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.(Citation: Peripheral Di

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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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Process Injection (T1055)

Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a met

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Python (T1059.006)

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

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Registry Run Keys / Startup Folder (T1547.001)

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

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Scheduled Task (T1053.005)

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

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Spearphishing Attachment (T1566.001)

Adversaries may send spearphishing emails with a malicious attachment in an attempt to gain access to victim systems. Spearphishing attachment is a sp

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Steganography (T1027.003)

Adversaries may use steganography techniques in order to prevent the detection of hidden information. Steganographic techniques can be used to hide da

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System Information Discovery (T1082)

An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and

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System Owner/User Discovery (T1033)

Adversaries may attempt to identify the primary user, currently logged in user, set of users that commonly uses a system, or whether a user is activel

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System Shutdown/Reboot (T1529)

Adversaries may shutdown/reboot systems to interrupt access to, or aid in the destruction of, those systems. Operating systems may contain commands to

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Visual Basic (T1059.005)

Adversaries may abuse Visual Basic (VB) for execution. VB is a programming language created by Microsoft with interoperability with many Windows techn

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Web Protocols (T1071.001)

Adversaries may communicate using application layer protocols associated with web traffic to avoid detection/network filtering by blending in with exi

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Windows Command Shell (T1059.003)

Adversaries may abuse the Windows command shell for execution. The Windows command shell (cmd) is the prima

Software & Tools (13)

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BLUELIGHT [malware]

BLUELIGHT is a remote access Trojan used by APT37 that was first o

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CORALDECK [malware]

CORALDECK is an exfiltration tool used by APT37. (Citation: FireEy

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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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DOGCALL [malware]

DOGCALL is a backdoor used by APT37 that has been used to target S

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Final1stspy [malware]

Final1stspy is a dropper family that has been used to deliver [DOGCALL](https://attack.mitre.org/software/S

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HAPPYWORK [malware]

HAPPYWORK is a downloader used by APT37 to target South Korean gov

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KARAE [malware]

KARAE is a backdoor typically used by APT37 as first-stage malware

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NavRAT [malware]

NavRAT is a remote access tool designed to upload, download, and execute files. It has been observed in att

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POORAIM [malware]

POORAIM is a backdoor used by APT37 in campaigns since at least 20

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RokRAT [malware]

ROKRAT is a cloud-based remote access tool (RAT) used by APT37 to

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SHUTTERSPEED [malware]

SHUTTERSPEED is a backdoor used by APT37. (Citation: FireEye APT37

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SLOWDRIFT [malware]

SLOWDRIFT is a backdoor used by APT37 against academic and strateg

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WINERACK [malware]

WINERACK is a backdoor used by APT37. (Citation: FireEye APT37 Feb

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