Threat Actor

APT1

Also known as: APT1, Comment Crew, Comment Group, Comment Panda

[APT1](https://attack.mitre.org/groups/G0006) is a Chinese threat group that has been attributed to the 2nd Bureau of the People’s Liberation Army (PLA) General Staff Department’s (GSD) 3rd Department, commonly known by its Military Unit Cover Designator (MUCD) as Unit 61398. (Citation: Mandiant APT1)

23
Techniques
18
Software

Properties

stix_id
intrusion-set--6a2e693f-24e5-451a-9f88-b36a108e5662
signal_observed_at
2026-09-11T17:55:00+00:00
type
intrusion-set

MITRE ATT&CK Techniques (23)

Archive via Utility

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

Automated Collection

Once established within a system or network, an adversary may use automated techniques for collecting internal data. Methods for performing this techn

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

Domains

Adversaries may acquire domains that can be used during targeting. Domain names are the human readable names used to represent one or more IP addresse

Domains

Adversaries may hijack domains and/or subdomains that can be used during targeting. Domain registration hijacking is the act of changing the registrat

Email Accounts

Adversaries may create email accounts that can be used during targeting. Adversaries can use accounts created with email providers to further their op

LSASS Memory

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

Local Account

Adversaries may attempt to get a listing of local system accounts. This information can help adversaries determine which local accounts exist on a sys

Local Email Collection

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

Malware

Adversaries may buy, steal, or download malware that can be used during targeting. Malicious software can include payloads, droppers, post-compromise

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

Network Share Discovery

Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as a precursor for Col

Pass the Hash

Adversaries may “pass the hash” using stolen password hashes to move laterally within an environment, bypassing normal system access controls. Pass th

Process Discovery

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

Remote Desktop Protocol

Adversaries may use [Valid Accounts](https://attack.mitre.org/techniques/T1078) to log into a computer using the Remote Desktop Protocol (RDP). The ad

Remote Email Collection

Adversaries may target an Exchange server, Office 365, or Google Workspace to collect sensitive information. Adversaries may leverage a user's credent

Spearphishing Attachment

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

Spearphishing Link

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

System Network Configuration Discovery

Adversaries may look for details about the network configuration and settings, such as IP and/or MAC addresses, of systems they access or through info

System Network Connections Discovery

Adversaries may attempt to get a listing of network connections to or from the compromised system they are currently accessing or from remote systems

System Service Discovery

Adversaries may try to gather information about registered local system services. Adversaries may obtain information about services using tools as wel

Tool

Adversaries may buy, steal, or download software tools that can be used during targeting. Tools can be open or closed source, free or commercial. A to

Windows Command Shell

Adversaries may abuse the Windows command shell for execution. The Windows command shell ([cmd](https://attack.mitre.org/software/S0106)) is the prima

Software & Tools (18)

BISCUIT [malware]

[BISCUIT](https://attack.mitre.org/software/S0017) is a backdoor that has been used by [APT1](https://attack.mitre.org/groups/G0006) since as early as

CALENDAR [malware]

[CALENDAR](https://attack.mitre.org/software/S0025) is malware used by [APT1](https://attack.mitre.org/groups/G0006) that mimics legitimate Gmail Cale

Cachedump [tool]

[Cachedump](https://attack.mitre.org/software/S0119) is a publicly-available tool that program extracts cached password hashes from a system’s registr

GLOOXMAIL [malware]

[GLOOXMAIL](https://attack.mitre.org/software/S0026) is malware used by [APT1](https://attack.mitre.org/groups/G0006) that mimics legitimate Jabber/XM

Lslsass [tool]

[Lslsass](https://attack.mitre.org/software/S0121) is a publicly-available tool that can dump active logon session password hashes from the lsass proc

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

Pass-The-Hash Toolkit [tool]

[Pass-The-Hash Toolkit](https://attack.mitre.org/software/S0122) is a toolkit that allows an adversary to "pass" a password hash (without knowing the

PoisonIvy [malware]

[PoisonIvy](https://attack.mitre.org/software/S0012) is a popular remote access tool (RAT) that has been used by many groups.(Citation: FireEye Poison

PsExec [tool]

[PsExec](https://attack.mitre.org/software/S0029) is a free Microsoft tool that can be used to execute a program on another computer. It is used by IT

Seasalt [malware]

[Seasalt](https://attack.mitre.org/software/S0345) is malware that has been linked to [APT1](https://attack.mitre.org/groups/G0006)'s 2010 operations.

Tasklist [tool]

The [Tasklist](https://attack.mitre.org/software/S0057) utility displays a list of applications and services with their Process IDs (PID) for all task

WEBC2 [malware]

[WEBC2](https://attack.mitre.org/software/S0109) is a family of backdoor malware used by [APT1](https://attack.mitre.org/groups/G0006) as early as Jul

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

ipconfig [tool]

[ipconfig](https://attack.mitre.org/software/S0100) is a Windows utility that can be used to find information about a system's TCP/IP, DNS, DHCP, and

pwdump [tool]

[pwdump](https://attack.mitre.org/software/S0006) is a credential dumper. (Citation: Wikipedia pwdump)

xCmd [tool]

[xCmd](https://attack.mitre.org/software/S0123) is an open source tool that is similar to [PsExec](https://attack.mitre.org/software/S0029) and allows

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