Threat Actor

MuddyWater

Also known as: MuddyWater, Earth Vetala, MERCURY, Static Kitten, Seedworm, TEMP.Zagros, Mango Sandstorm, TA450, MuddyKrill

[MuddyWater](https://attack.mitre.org/groups/G0069) is a cyber espionage group assessed to be a subordinate element within Iran's Ministry of Intelligence and Security (MOIS).(Citation: CYBERCOM Iranian Intel Cyber January 2022) Since at least 2017, [MuddyWater](https://attack.mitre.org/groups/G0069) has targeted a range of government and private organizations across sectors, including telecommunications, local government, finance, defense, and oil and natural gas organizations, in the Middle East (specifically the UAE and Saudi Arabia), Asia, Africa, Europe, and North America. [MuddyWater](https://attack.mitre.org/groups/G0069) has reused domains dating back to October 2025, and has a preference for NameCheap and Hosterdaddy Private Limited (AS136557). In late 2025 and early 2026, [MuddyWater](https://attack.mitre.org/groups/G0069) used commercial satellite internet (i.e., Starlink) for command and control (C2) communication. (Citation: FalconFeeds_Iran_Mar2026)(Citation: Huntio_IranInfra_Mar2026)(Citation: Unit 42 MuddyWater Nov 2017)(Citation: Symantec MuddyWater Dec 2018)(Citation: ClearSky MuddyWater Nov 2018)(Citation: ClearSky MuddyWater June 2019)(Citation: Reaqta MuddyWater November 2017)(Citation: DHS CISA AA22-055A MuddyWater February 2022)(Citation: Talos MuddyWater Jan 2022)(Citation: NaumaanProofpoint_GlobalClickFix_April2025)(Citation: ESET_MuddyWater_Dec2025)(Citation: SymantecCarbonBlack_Seedworm_Mar2026)

50
Techniques
22
Software

Properties

stix_id
intrusion-set--269e8108-68c6-4f99-b911-14b2e765dec2
signal_observed_at
2026-09-11T17:54:59+00:00
type
intrusion-set

MITRE ATT&CK Techniques (50)

Archive via Utility

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

Bidirectional Communication

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

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

CMSTP

Adversaries may abuse CMSTP to proxy execution of malicious code. The Microsoft Connection Manager Profile Installer (CMSTP.exe) is a command-line pro

Cached Domain Credentials

Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.(Cit

Command Obfuscation

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

Compile After Delivery

Adversaries may attempt to make payloads difficult to discover and analyze by delivering files to victims as uncompiled code. Text-based source code f

Component Object Model

Adversaries may use the Windows Component Object Model (COM) for local code execution. COM is an inter-process communication (IPC) component of the na

Credentials In Files

Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials. These can be files created by use

Credentials from Password Stores

Adversaries may search for common password storage locations to obtain user credentials.(Citation: F-Secure The Dukes) Passwords are stored in several

Credentials from Web Browsers

Adversaries may acquire credentials from web browsers by reading files specific to the target browser.(Citation: Talos Olympic Destroyer 2018) Web bro

DLL

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

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

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

Dynamic Data Exchange

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

Exfiltration Over C2 Channel

Adversaries may steal data by exfiltrating it over an existing command and control channel. Stolen data is encoded into the normal communications chan

Exfiltration to Cloud Storage

Adversaries may exfiltrate data to a cloud storage service rather than over their primary command and control channel. Cloud storage services allow fo

Exploit Public-Facing Application

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

Exploitation for Client Execution

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

Exploitation of Remote Services

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network. Exploitation of a software vulnerabi

External Proxy

Adversaries may use an external proxy to act as an intermediary for network communications to a command and control server to avoid direct connections

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

Impersonation

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

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

Internal Spearphishing

After they already have access to accounts or systems within the environment, adversaries may use internal spearphishing to gain access to additional

JavaScript

Adversaries may abuse various implementations of JavaScript for execution. JavaScript (JS) is a platform-independent scripting language (compiled just

LSA Secrets

Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different creden

Software & Tools (22)

ConnectWise [tool]

[ConnectWise](https://attack.mitre.org/software/S0591) is a legitimate remote administration tool that has been used since at least 2016 by threat act

CrackMapExec [tool]

[CrackMapExec](https://attack.mitre.org/software/S0488), or CME, is a post-exploitation tool developed in Python and designed for penetration testing

Empire [tool]

[Empire](https://attack.mitre.org/software/S0363) is an open-source, cross-platform remote administration and post-exploitation framework that is publ

Fooder [malware]

[Fooder](https://attack.mitre.org/software/S9033) is a custom 64-bit C/C++ loader used by [MuddyWater](https://attack.mitre.org/groups/G0069) that can

Koadic [tool]

[Koadic](https://attack.mitre.org/software/S0250) is a Windows post-exploitation framework and penetration testing tool that is publicly available on

LP-Notes [malware]

[LP-Notes](https://attack.mitre.org/software/S9036) is a C/C++ Windows credential stealer used by [MuddyWater](https://attack.mitre.org/groups/G0069).

LaZagne [tool]

[LaZagne](https://attack.mitre.org/software/S0349) is a post-exploitation, open-source tool used to recover stored passwords on a system. It has modul

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

Mori [malware]

[Mori](https://attack.mitre.org/software/S1047) is a backdoor that has been used by [MuddyWater](https://attack.mitre.org/groups/G0069) since at least

MuddyViper [malware]

[MuddyViper](https://attack.mitre.org/software/S9032) is custom backdoor written in C and C++ used by [MuddyWater](https://attack.mitre.org/groups/G00

Out1 [tool]

[Out1](https://attack.mitre.org/software/S0594) is a remote access tool written in python and used by [MuddyWater](https://attack.mitre.org/groups/G00

POWERSTATS [malware]

[POWERSTATS](https://attack.mitre.org/software/S0223) is a PowerShell-based first stage backdoor used by [MuddyWater](https://attack.mitre.org/groups/

PowGoop [malware]

[PowGoop](https://attack.mitre.org/software/S1046) is a loader that consists of a DLL loader and a PowerShell-based downloader; it has been used by [M

PowerSploit [tool]

[PowerSploit](https://attack.mitre.org/software/S0194) is an open source, offensive security framework comprised of [PowerShell](https://attack.mitre.

Rclone [tool]

[Rclone](https://attack.mitre.org/software/S1040) is a command line program for syncing files with cloud storage services such as Dropbox, Google Driv

RemoteUtilities [tool]

[RemoteUtilities](https://attack.mitre.org/software/S0592) is a legitimate remote administration tool that has been used by [MuddyWater](https://attac

RustyWater [malware]

[RustyWater](https://attack.mitre.org/software/S9037) is a Rust-based implant used by [MuddyWater](https://attack.mitre.org/groups/G0069). Historicall

SHARPSTATS [malware]

[SHARPSTATS](https://attack.mitre.org/software/S0450) is a .NET backdoor used by [MuddyWater](https://attack.mitre.org/groups/G0069) since at least 20

STARWHALE [malware]

[STARWHALE](https://attack.mitre.org/software/S1037) is Windows Script File (WSF) backdoor that has been used by [MuddyWater](https://attack.mitre.org

Small Sieve [malware]

[Small Sieve](https://attack.mitre.org/software/S1035) is a Telegram Bot API-based Python backdoor that has been distributed using a Nullsoft Scriptab

Tsundere Botnet [malware]

[Tsundere Botnet](https://attack.mitre.org/software/S9034) is a botnet first reported in mid-2025 that is delivered via MSI installer or a PowerShell

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