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NETWIRE

NETWIRE is a publicly available, multiplatform remote administration tool (RAT) that has been used by criminal and APT groups since at least 2012.[1][2][3]

ID: S0198
ⓘ
Type: MALWARE
ⓘ
Platforms: Windows, Linux, macOS
Contributors: Tony Lambert, Red Canary
Version: 1.4
Created: 18 April 2018
Last Modified: 12 October 2021
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

NETWIRE has the ability to communicate over HTTP.[4][5]
Enterprise T1010 Application Window Discovery

NETWIRE can discover and close windows on controlled systems.[4]
Enterprise T1560 Archive Collected Data

NETWIRE has the ability to compress archived screenshots.[4]
.003 Archive via Custom Method

NETWIRE has used a custom encryption algorithm to encrypt collected data.[6]
Enterprise T1119 Automated Collection

NETWIRE can automatically archive collected data.[4]
Enterprise T1547 .001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

NETWIRE creates a Registry start-up entry to establish persistence.[2][4][7][5]
.013 Boot or Logon Autostart Execution: XDG Autostart Entries

NETWIRE can use XDG Autostart Entries to establish persistence.[4]
.015 Boot or Logon Autostart Execution: Login Items

NETWIRE can persist via startup options for Login items.[4]
Enterprise T1059 .001 Command and Scripting Interpreter: PowerShell

The NETWIRE binary has been executed via PowerShell script.[6]
.003 Command and Scripting Interpreter: Windows Command Shell

NETWIRE can issue commands using cmd.exe.[4][5]
.004 Command and Scripting Interpreter: Unix Shell

NETWIRE has the ability to use /bin/bash and /bin/sh to execute commands.[4][5]
.005 Command and Scripting Interpreter: Visual Basic

NETWIRE has been executed through use of VBScripts.[6][5]
Enterprise T1543 .001 Create or Modify System Process: Launch Agent

NETWIRE can use launch agents for persistence.[4]
Enterprise T1555 Credentials from Password Stores

NETWIRE can retrieve passwords from messaging and mail client applications.[4]
.003 Credentials from Web Browsers

NETWIRE has the ability to steal credentials from web browsers including Internet Explorer, Opera, Yandex, and Chrome.[6][4][5]
Enterprise T1074 .001 Data Staged: Local Data Staging

NETWIRE has the ability to write collected data to a file created in the ./LOGS directory.[6]
Enterprise T1573 Encrypted Channel

NETWIRE can encrypt C2 communications.[4]
.001 Symmetric Cryptography

NETWIRE can use AES encryption for C2 data transferred.[4]
Enterprise T1083 File and Directory Discovery

NETWIRE has the ability to search for files on the compromised host.[5]
Enterprise T1564 .001 Hide Artifacts: Hidden Files and Directories

NETWIRE can copy itself to and launch itself from hidden folders.[4]
Enterprise T1105 Ingress Tool Transfer

NETWIRE can downloaded payloads from C2 to the compromised host.[6][5]
Enterprise T1056 .001 Input Capture: Keylogging

NETWIRE can perform keylogging.[2][3][6][4][5]
Enterprise T1036 .001 Masquerading: Invalid Code Signature

The NETWIRE client has been signed by fake and invalid digital certificates.[2]
.005 Masquerading: Match Legitimate Name or Location

NETWIRE has masqueraded as legitimate software including TeamViewer and macOS Finder.[4]
Enterprise T1112 Modify Registry

NETWIRE stores its configuration file within the Registry.[4]
Enterprise T1106 Native API

NETWIRE can use Native API including CreateProcess GetProcessById, and WriteProcessMemory.[6]
Enterprise T1095 Non-Application Layer Protocol

NETWIRE can use TCP in C2 communications.[4][7]
Enterprise T1027 Obfuscated Files or Information

NETWIRE has used a custom obfuscation algorithm to hide strings including Registry keys, APIs, and DLL names.[6]
.002 Software Packing

NETWIRE has used .NET packer tools to evade detection.[4]
Enterprise T1566 .001 Phishing: Spearphishing Attachment

NETWIRE has been spread via e-mail campaigns utilizing malicious attachments.[7][5]
.002 Phishing: Spearphishing Link

NETWIRE has been spread via e-mail campaigns utilizing malicious links.[7]
Enterprise T1057 Process Discovery

NETWIRE can discover processes on compromised hosts.[6]
Enterprise T1055 Process Injection

NETWIRE can inject code into system processes including notepad.exe, svchost.exe, and vbc.exe.[4]
.012 Process Hollowing

The NETWIRE payload has been injected into benign Microsoft executables via process hollowing.[6][4]
Enterprise T1090 Proxy

NETWIRE can implement use of proxies to pivot traffic.[4]
Enterprise T1053 .003 Scheduled Task/Job: Cron

NETWIRE can use crontabs to establish persistence.[4]
.005 Scheduled Task/Job: Scheduled Task

NETWIRE can create a scheduled task to establish persistence.[6]
Enterprise T1113 Screen Capture

NETWIRE can capture the victim's screen.[2][6][4][5]
Enterprise T1082 System Information Discovery

NETWIRE can discover and collect victim system information.[2]
Enterprise T1016 System Network Configuration Discovery

NETWIRE can collect the IP address of a compromised host.[4][5]
Enterprise T1049 System Network Connections Discovery

NETWIRE can capture session logon details from a compromised host.[6]
Enterprise T1204 .001 User Execution: Malicious Link

NETWIRE has been executed through convincing victims into clicking malicious links.[6][7]
.002 User Execution: Malicious File

NETWIRE has been executed through luring victims into opening malicious documents.[6][7][5]
Enterprise T1102 Web Service

NETWIRE has used web services including Paste.ee to host payloads.[6]

Groups That Use This Software

ID Name References
G0089 The White Company

[8]
G0083 SilverTerrier

[9]
G0064 APT33

[1][3]

References

  1. O'Leary, J., et al. (2017, September 20). Insights into Iranian Cyber Espionage: APT33 Targets Aerospace and Energy Sectors and has Ties to Destructive Malware. Retrieved February 15, 2018.
  2. McAfee. (2015, March 2). Netwire RAT Behind Recent Targeted Attacks. Retrieved February 15, 2018.
  3. Davis, S. and Carr, N. (2017, September 21). APT33: New Insights into Iranian Cyber Espionage Group. Retrieved February 15, 2018.
  4. Lambert, T. (2020, January 29). Intro to Netwire. Retrieved January 7, 2021.
  5. Proofpoint. (2020, December 2). Geofenced NetWire Campaigns. Retrieved January 7, 2021.
  1. Maniath, S. and Kadam P. (2019, March 19). Dissecting a NETWIRE Phishing Campaign's Usage of Process Hollowing. Retrieved January 7, 2021.
  2. Duncan, B. (2020, April 3). GuLoader: Malspam Campaign Installing NetWire RAT. Retrieved January 7, 2021.
  3. Livelli, K, et al. (2018, November 12). Operation Shaheen. Retrieved May 1, 2019.
  4. Unit42. (2016). SILVERTERRIER: THE RISE OF NIGERIAN BUSINESS EMAIL COMPROMISE. Retrieved November 13, 2018.