Threat Actor

FIN8

Also known as: FIN8, Syssphinx

[FIN8](https://attack.mitre.org/groups/G0061) is a financially motivated threat group that has been active since at least January 2016, and known for targeting organizations in the hospitality, retail, entertainment, insurance, technology, chemical, and financial sectors. In June 2021, security researchers detected [FIN8](https://attack.mitre.org/groups/G0061) switching from targeting point-of-sale (POS) devices to distributing a number of ransomware variants.(Citation: FireEye Obfuscation June 2017)(Citation: FireEye Fin8 May 2016)(Citation: Bitdefender Sardonic Aug 2021)(Citation: Symantec FIN8 Jul 2023)

37
Techniques
11
Software

Properties

stix_id
intrusion-set--fd19bd82-1b14-49a1-a176-6cdc46b8a826
signal_observed_at
2026-09-11T17:55:00+00:00
type
intrusion-set

MITRE ATT&CK Techniques (37)

Archive via Utility

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

Asymmetric Cryptography

Adversaries may employ a known asymmetric encryption algorithm to conceal command and control traffic rather than relying on any inherent protections

Asynchronous Procedure Call

Adversaries may inject malicious code into processes via the asynchronous procedure call (APC) queue in order to evade process-based defenses as well

Clear Windows Event Logs

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

Clear Windows Event Logs

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

Code Signing Certificates

Adversaries may buy and/or steal code signing certificates that can be used during targeting. Code signing is the process of digitally signing executa

Command Obfuscation

Adversaries may obfuscate content during command execution to impede detection. Command-line obfuscation is a method of making strings and patterns wi

Data Encrypted for Impact

Adversaries may encrypt data on target systems or on large numbers of systems in a network to interrupt availability to system and network resources.

Domain Trust Discovery

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

Exfiltration Over Unencrypted Non-C2 Protocol

Adversaries may steal data by exfiltrating it over an un-encrypted network protocol other than that of the existing command and control channel. The d

Exploitation for Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges. Exploitation of a software vulnerability occurs when an adversar

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

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

Internet Connection Discovery

Adversaries may check for Internet connectivity on compromised systems. This may be performed during automated discovery and can be accomplished in nu

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

Malicious Link

An adversary may rely upon a user clicking a malicious link in order to gain execution. Users may be subjected to social engineering to get them to cl

Modify Registry

Adversaries may interact with the Windows Registry as part of a variety of other techniques to aid in defense evasion, persistence, and execution. Ac

PowerShell

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

Remote Data Staging

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

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 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

SMB/Windows Admin Shares

Adversaries may use [Valid Accounts](https://attack.mitre.org/techniques/T1078) to interact with a remote network share using Server Message Block (SM

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

Security Software Discovery

Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a clo

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 Information Discovery

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

System Owner/User Discovery

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

Token Impersonation/Theft

Adversaries may duplicate then impersonate another user's existing token to escalate privileges and bypass access controls. For example, an adversary

Software & Tools (11)

BADHATCH [malware]

[BADHATCH](https://attack.mitre.org/software/S1081) is a backdoor that has been utilized by [FIN8](https://attack.mitre.org/groups/G0061) since at lea

Impacket [tool]

[Impacket](https://attack.mitre.org/software/S0357) is an open source collection of modules written in Python for programmatically constructing and ma

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

Nltest [tool]

[Nltest](https://attack.mitre.org/software/S0359) is a Windows command-line utility used to list domain controllers and enumerate domain trusts.(Citat

PUNCHBUGGY [malware]

[PUNCHBUGGY](https://attack.mitre.org/software/S0196) is a backdoor malware used by [FIN8](https://attack.mitre.org/groups/G0061) that has been observ

PUNCHTRACK [malware]

[PUNCHTRACK](https://attack.mitre.org/software/S0197) is non-persistent point of sale (POS) system malware utilized by [FIN8](https://attack.mitre.org

Ping [tool]

[Ping](https://attack.mitre.org/software/S0097) is an operating system utility commonly used to troubleshoot and verify network connections. (Citation

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

Ragnar Locker [malware]

[Ragnar Locker](https://attack.mitre.org/software/S0481) is a ransomware that has been in use since at least December 2019.(Citation: Sophos Ragnar Ma

Sardonic [malware]

[Sardonic](https://attack.mitre.org/software/S1085) is a backdoor written in C and C++ that is known to be used by [FIN8](https://attack.mitre.org/gro

dsquery [tool]

[dsquery](https://attack.mitre.org/software/S0105) is a command-line utility that can be used to query Active Directory for information from a system

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