Revengerat
Table of Contents
Overview
Executive Summary
RevengeRAT is a highly capable, commercially available Remote Access Trojan (RAT) sold on underground cybercrime forums. It provides threat actors with a fully featured graphical user interface (GUI) to covertly control infected Windows machines, conduct espionage, and steal sensitive data. It is widely utilized by both financially motivated cybercriminals and Advanced Persistent Threat (APT) groups.Infection Vector and Technical Capabilities
RevengeRAT is heavily distributed via spear-phishing campaigns utilizing malicious macro-enabled Office documents, or it is dropped by other loaders (like GuLoader). Attackers frequently host the payload on legitimate cloud services (like Pastebin or Discord) to bypass perimeter blocking. Once executed, RevengeRAT provides extensive, silent remote control capabilities:- Surveillance and Espionage: The RAT grants the attacker the ability to covertly view the victim's desktop in real-time, activate the webcam and microphone, log all keystrokes (keylogging), and steal saved passwords from web browsers and email clients.
- Credential Harvesting: It actively targets and extracts credentials from browsers (Chrome, Firefox), FTP clients (FileZilla), and cryptocurrency wallets.
- File System Manipulation and Execution: The attacker has full interactive access to the file system. They can download, upload, and execute files, allowing for the silent deployment of secondary malware, such as ransomware or crypto-miners. It can also execute PowerShell and CMD commands remotely.
Threat Assessment
A RevengeRAT infection is a critical security incident. The presence of an active RAT means the network perimeter has completely failed, and a human adversary currently has interactive, administrative-level access to the internal network. Data exfiltration and lateral movement are highly likely.Incident Response and Remediation
- Immediate Isolation: The highest priority is to physically disconnect the infected machine from the network to sever the attacker's interactive connection and prevent further lateral movement.
- Forensic Triage: Utilize Endpoint Detection and Response (EDR) to identify the specific processes injected by RevengeRAT and analyze its network connections to identify the C2 infrastructure.
- Enterprise Password Reset and Re-imaging: Because the attacker had interactive access and keylogging capabilities, all credentials used on or accessible from the compromised endpoint must be reset immediately. The endpoint itself must undergo a complete bare-metal wipe and re-image.
Known aliases
Threat reports may refer to this family under multiple names:
MITRE ATT&CK Techniques
Observed techniques used by this family, mapped to our technical analysis hubs and the official MITRE ATT&CK framework:
| Technique | Name | Tactic | Official Spec |
|---|---|---|---|
T1059.003 | Command and Scripting Interpreter: Windows Command Shell | Execution | ATT&CK ↗ |
T1056.001 | Keylogging | Credential Access | ATT&CK ↗ |
T1125 | Video/Audio Capture | Collection | ATT&CK ↗ |
T1021 | Remote Services (Lateral movement to critical bank infrastructure) | Lateral Movement | ATT&CK ↗ |
Tactical Mitigations
Based on the techniques used by this family, consider the following defensive strategies:
- T1056.001: Implement Endpoint Detection and Response (EDR) to monitor for suspicious API calls related to keystroke interception. Enforce Multi-Factor Authentication (MFA) to render stolen passwords useless.
- T1059.003: Restrict execution of Windows Command Shell (cmd.exe) and block unauthorized batch scripts.
- T1125: Restrict access to local camera or microphone APIs. Utilize endpoint protection that monitors hardware access.
MITRE D3FEND™ Defensive Countermeasures
Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):
| D3FEND ID | Countermeasure Name | Tactic | Countered ATT&CK | Defensive Guidance |
|---|---|---|---|---|
D3-MFA | Multi-factor Authentication | Harden | T1056.001 | Enforce FIDO2 / WebAuthn physical tokens to render keystroke-intercepted passwords useless. |
D3-PBA | Process Spawn Analysis | Detect | T1059.003 | Inspect command-line arguments and anomalous parent-child relationships spawning from cmd.exe. |
D3-HAC | Hardware Device Access Control | Isolate | T1125 | Enforce Group Policy hardware access restrictions on integrated webcams and microphones. |
Tiered Detection Rules (Cisco CAIRN Model)
Modern threat detection requires multi-layered rule engineering. We classify detections into three operational tiers based on signal fidelity:
Tier 1 Primitive Artifact Rule (Fast Triage)
Matches raw strings and file markers. Vulnerable to binary repacking and simple obfuscation.
rule MALWARE_WIN_REVENGERAT_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Revengerat"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "revengerat" ascii wide nocase
$s2 = "backdoor.revengerat" ascii wide nocase
$s3 = "trojan.revenge" ascii wide nocase
$s4 = "win32/revengerat" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}Tier 2 Behavioral Context Rule (Process Chains & Sigma)
Tracks parent-child process anomalies and suspicious scripting telemetry. Resilient against file renames.
title: SystemHelpDesk Detection - Revengerat (Ransomware) Execution & Triage
id: 27f15e64-5007-53b2-9a49-54fa27e04b41
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Revengerat malware family. Detects volume shadow copy deletion, boot status
tampering, and recovery inhibition characteristic of modern ransomware operations.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/revengerat
- https://malware-families-catalog.systemhelpdesk.com/defensive/ransomware-protection
- https://malware-families-catalog.systemhelpdesk.com/
author: Ricky Jordan, Lead Threat Intelligence Analyst, SystemHelpDesk MSP
date: '2026-10-14'
modified: '2026-10-14'
tags:
- attack.ransomware
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1059_003
- attack.t1056_001
- attack.t1125
- attack.t1021
logsource:
category: process_creation
product: windows
detection:
selection_process:
Image|endswith:
- \vssadmin.exe
- \wmic.exe
- \wbadmin.exe
- \bcdedit.exe
CommandLine|contains:
- delete shadows
- shadowcopy delete
- resize shadowstorage
- recoveryenabled no
- ignoreallfailures
condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: criticalTier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_REVENGERAT_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Revengerat tradecraft"
tier = "T3 - Attribution Fingerprint"
confidence = "High (Confirmed Family Signature)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
// Core family identifier & heuristic payload signatures
$attrib_str = "revengerat" ascii wide nocase
$pe_magic = "MZ" ascii
$net_marker = "http" ascii nocase
condition:
uint16(0) == 0x5a4d and ($attrib_str and $net_marker) and filesize < 15MB
}Containment & Response Steps
Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.
- Immediately isolate affected host(s) from the internal network (disconnect physical Ethernet and disable Wi-Fi/Bluetooth) to prevent Revengerat from spreading laterally or encrypting network-attached storage (NAS) and shared SMB volumes.
- Preserve volatile system memory (RAM capture) on a representative endpoint before attempting a reboot or power-down, as Revengerat symmetric encryption keys or uncompiled payload components may still reside in memory.
- Audit process execution logs and terminate active scripting interpreters (e.g. PowerShell, CMD, WScript) or commands executing 'vssadmin.exe delete shadows' or 'wbadmin' used by Revengerat to inhibit recovery.
- Investigate the initial compromise vector (such as exposed RDP instances, spearphishing attachments, or vulnerable edge gateways) and enforce an immediate credential reset for all compromised Active Directory accounts.
- Restore critical assets and databases exclusively from verified, air-gapped, or immutable offline backups once the Revengerat binary and related persistence hooks are eradicated.
What to Avoid
Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.
- Do not restart or power cycle infected systems prematurely; doing so destroys volatile RAM encryption keys and may trigger bootloader locking logic embedded in Revengerat.
- Avoid negotiating or paying the extortion demand without prior forensic evaluation and consultation with incident response specialists, as payment does not guarantee data recovery.
- Do not connect clean backup drives or external storage to the affected network until Revengerat eradication is completely verified.
References & External Analysis
- Search "revengerat" on VirusTotal (External Analysis)
- Search "revengerat" on Any.Run (Sandbox Sandbox)
- Search "revengerat" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Revengerat and what threat category does it belong to?
Revengerat is classified as a Ransomware. Documented across security telemetry, it is engineered to execute unauthorized operations, establish persistent footholds on target endpoints, and facilitate malicious campaigns targeting enterprise and individual environments.
How does Revengerat establish persistence and evade defensive controls?
Revengerat typically establishes persistence through registry run keys, scheduled tasks, or service installations, while evading signature-based antivirus solutions through code obfuscation, memory injection, or anti-analysis sandbox checks.
What are the essential incident response steps for mitigating a Revengerat compromise?
Security teams responding to Revengerat should immediately isolate affected endpoints from the network, perform memory triage to capture volatile forensic artifacts, audit registry and startup persistence mechanisms, revoke exposed user credentials, and restore systems from verified, clean backups.
What cryptographic algorithms and file targeting techniques does Backdoor.RevengeRAT employ during execution?
Backdoor.RevengeRAT typically leverages hybrid cryptographic architectures combining symmetric stream or block ciphers (such as AES-256 or ChaCha20) for rapid file encryption with asymmetric algorithms (such as RSA-2048 or Curve25519) to securely protect the session keys. It aggressively targets sensitive file extensions including corporate documents, databases, virtual disks, and backups while systematically executing commands to delete Volume Shadow Copies (vssadmin delete shadows /all /quiet) and disable system recovery options.
Are decryptors available for Backdoor.RevengeRAT, and what is the recommended recovery procedure?
Decryption availability for Backdoor.RevengeRAT depends on whether security researchers or law enforcement (such as the No More Ransom initiative) have recovered the master private keys or discovered flaws in its key generation routines. Victims should never pay the extortion demand, as payment fuels criminal operations without guaranteeing file restoration. The recommended recovery procedure entails isolating infected hosts, conducting forensic disk imaging, identifying the root access vector, and restoring validated systems from immutable offline backups.
How do I remove the Revengerat Ransomware from Windows?
Manual removal of Revengerat is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.
Is Revengerat a virus or a Ransomware?
Revengerat is classified as a Ransomware. Unlike traditional viruses that infect files, modern malware like Revengerat typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Revengerat infection?
Symptoms of Revengerat can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.
Protect Your Network Against Ransomwares
Want to prevent Revengerat and similar threats from compromising your organization? Read our comprehensive defensive guide: Ransomware Containment & Incident Response.
📣 Threat Intel Correction or Update?
Notice an outdated IOC, unlisted alias, or disputed attribution? Threat researchers are invited to propose an update on GitHub or contact the SystemHelpDesk research desk. All community revisions are credited in our public CHANGELOG.
Machine-readable
Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/revengerat.json
Ecosystem & Interactive Environments
This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.