Trick
Table of Contents
Overview
Trojan:Win32/Trick (universally known as **Trickbot**) is one of the most successful, devastating, and modular malware families in history. Originally emerging in 2016 as a banking trojan designed to steal financial credentials via web injects, Trickbot evolved into a massive, modular botnet. Crucially, the operators of Trickbot transitioned to an 'Initial Access Broker' (IAB) model, using their massive network of infected enterprise machines to deploy devastating ransomware (specifically **Ryuk** and **Conti**) on behalf of top-tier cybercriminal syndicates.
Understanding Trickbot
To an end-user, the infection is invisible until the ransomware payload drops. For security analysts, a Trickbot detection is a 'code red' emergency. It means the organization's perimeter has been breached, lateral movement is likely already occurring, and a massive, enterprise-wide ransomware encryption event is imminent, often within 24-48 hours.
Execution, Modularity, and Ransomware Mechanics
Trickbot was distributed massively via Emotet malspam campaigns (`T1566.001`). Upon execution (`T1204.002`), Trickbot establishes persistence via Scheduled Tasks (`T1053.005`) and disables Windows Defender (`T1562.001`). Its true power lies in its modularity (`T1105`); it pulls down specific plugins (DLLs) from the C2 server based on the target. It uses modules like `pwgrab` to steal browser credentials, `networkDll` to map the corporate network (`T1046`), and `mshare` to aggressively move laterally via SMB exploits like EternalBlue (`T1210`). Finally, once domain admin privileges are secured, the operators push the final payload: a Cobalt Strike beacon, followed rapidly by Ryuk or Conti ransomware deployment across the entire domain (`T1486`).
Indicators of Compromise & Impact
The impact is total enterprise destruction via ransomware. The primary EDR IoCs include `svchost.exe` making anomalous outbound connections to known Trickbot C2s, the creation of specific Scheduled Tasks (often mimicking legitimate Windows tasks), and massive, rapid lateral SMB scanning originating from a single endpoint.
MITRE ATT&CK Techniques
Observed techniques used by this family, mapped to our technical analysis hubs and the official MITRE ATT&CK framework:
Tactical Mitigations
Based on the techniques used by this family, consider the following defensive strategies:
- T1105: Implement network intrusion detection systems (NIDS) and host-based firewalls to block unauthorized inbound or outbound file transfers.
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-NTI | Network Traffic Inspection | Detect | T1105 | Inspect deep packet payloads for anomalous staging binaries and unauthorized egress protocols. |
D3-NPS | Network Protocol Segmentation & Patching | Filter | T1210 | Disable legacy protocols (e.g. SMBv1) and restrict SMB/RPC lateral movement across internal subnet boundaries. |
D3-FAED | File Alteration Early Detection | Detect | T1486 | Deploy canary files and monitor mass rename/encryption I/O spikes to terminate ransomware threads immediately. |
D3-PMA | Password Manager Access Control | Harden | T1555 | Enforce device compliance checks and multi-factor biometric authentication before unlocking stored credential vaults. |
D3-STA | Security Tool Anti-Tamper Enforcement | Harden | T1562.001 | Block unauthorized modification of antivirus registry flags and prevent stopping security agent services. |
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_TRICK_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Trick"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "trick" 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 - Trick (Ransomware) Execution & Triage
id: 7f36be2c-4694-598f-aa3d-1fedbe0c99de
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Trick 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/trick
- 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.t1555
- attack.t1210
- attack.t1562_001
- attack.t1486
- attack.t1105
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: critical
Tier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_TRICK_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Trick 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 = "trick" 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.
- Initiate maximum incident response immediately. Isolate the infected endpoint, but assume the entire domain is compromised and lateral movement has occurred.
- Disconnect the entire corporate network from the internet to sever the C2 connection and prevent the final ransomware payload from being downloaded.
- Enforce a mandatory, immediate password reset for all Domain Administrators, as Trickbot specifically targets high-privilege accounts.
- Perform a deep forensic hunt across the entire domain for Cobalt Strike beacons and Trickbot lateral movement artifacts.
What to Avoid
Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.
- Do NOT treat a Trickbot alert as a routine commodity malware infection; it is almost always the precursor to a targeted ransomware attack.
- Avoid relying solely on deleting the initial dropper; the modular plugins are injected into memory across multiple machines.
References & External Analysis
- Search "trick" on VirusTotal (External Analysis)
- Search "trick" on Any.Run (Sandbox Sandbox)
- Search "trick" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Trick and what threat category does it belong to?
Trick 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 Trick establish persistence and evade defensive controls?
Trick 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 Trick compromise?
Security teams responding to Trick 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 Trick employ during execution?
Trick 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 Trick, and what is the recommended recovery procedure?
Decryption availability for Trick 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 Trick Ransomware from Windows?
Manual removal of Trick 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 Trick a virus or a Ransomware?
Trick is classified as a Ransomware. Unlike traditional viruses that infect files, modern malware like Trick typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Trick infection?
Symptoms of Trick 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 Trick 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
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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.