Hptrickbot
Table of Contents
Overview
Trojan:Win32/Hptrickbot is a heuristic detection associated with Trickbot, one of the most prolific and dangerous banking trojans and botnets in history. Originally designed to steal financial credentials via web injects, Trickbot evolved into a highly modular, enterprise-level Initial Access Broker (IAB). It is infamous for breaching corporate networks, moving laterally, and ultimately deploying devastating ransomware like Ryuk or Conti.
Understanding Hptrickbot (Trickbot)
To an end-user, the initial infection is invisible. For a SOC analyst, a Trickbot detection is a 'Drop Everything' tier-one incident. If Trickbot is on a host, it means the attackers are actively mapping the network and preparing for domain-wide ransomware deployment.
Execution and Lateral Movement Mechanics
Trickbot typically arrives via malspam (often delivered by Emotet) containing malicious macros (`T1566.001`). Upon execution, it disables Windows Defender (`T1562.001`) and drops its main payload into `%AppData%`. Trickbot is heavily modular. It downloads modules to steal credentials from browsers (`T1552`), scrape active directory using LDAP queries (`T1087.002`), and harvest emails. Crucially, it uses the stolen credentials and tools like PsExec or WMI (`T1047`) to move laterally across the network (`T1021.002`), infecting other hosts and domain controllers.
Indicators of Compromise & Impact
The impact ranges from massive credential theft to total domain compromise and ransomware. Host-based IoCs include the presence of a scheduled task named after a random string, the execution of `svchost.exe` without command-line arguments (process hollowing), and the presence of modular DLLs in the `%AppData%` folder. Network IoCs involve DNS queries for known Trickbot C2 infrastructure and sudden, anomalous SMB traffic (lateral movement) originating from the infected host.
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 |
|---|---|---|---|
T1055 | Process Injection (Trickbot relies heavily on injecting into svchost.exe) | Defense Evasion | ATT&CK ↗ |
T1021.002 | Remote Services: SMB/Windows Admin Shares (Moving laterally to other hosts) | Lateral Movement | ATT&CK ↗ |
T1552 | Credentials In Files (Stealing passwords to enable lateral movement) | Credential Access | ATT&CK ↗ |
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-NBA | Network Behavioral Analysis | Detect | T1021.002 | Enforce SMB message signing, disable legacy SMBv1, and restrict administrative share access (C$, ADMIN$) to dedicated PAM bastion hosts. |
D3-PIAD | Process Injection Analysis & Detection | Detect | T1055 | Monitor cross-process thread creation (CreateRemoteThread) and asynchronous procedure calls (QueueUserAPC). |
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_HPTRICKBOT_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Hptrickbot"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "hptrickbot" 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 - Hptrickbot (Ransomware) Execution & Triage
id: c7f4f0cb-6c50-553b-ac11-9fca33e0b949
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Hptrickbot 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/hptrickbot
- 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.t1552
- attack.t1021_002
- attack.t1055
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_HPTRICKBOT_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Hptrickbot 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 = "hptrickbot" 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.
- Isolate the infected endpoint IMMEDIATELY; do not wait to analyze it, as Trickbot moves laterally very quickly.
- Initiate a domain-wide password reset for any user who logged into the infected host, particularly domain administrators.
- Hunt across the network for signs of lateral movement (e.g., suspicious PsExec usage or WMI execution) originating from the patient zero.
- Verify that no ransomware payload (like Ryuk) has been staged on domain controllers or file servers.
What to Avoid
Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.
- Do not assume containing one host stops the attack; Trickbot is designed to spread, and you must assume the network is compromised until proven otherwise.
- Avoid relying solely on traditional AV to clean Trickbot; it often leaves persistence mechanisms that require forensic removal.
References & External Analysis
- Search "hptrickbot" on VirusTotal (External Analysis)
- Search "hptrickbot" on Any.Run (Sandbox Sandbox)
- Search "hptrickbot" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Hptrickbot and what threat category does it belong to?
Hptrickbot 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 Hptrickbot establish persistence and evade defensive controls?
Hptrickbot 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 Hptrickbot compromise?
Security teams responding to Hptrickbot 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 Hptrickbot employ during execution?
Hptrickbot 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 Hptrickbot, and what is the recommended recovery procedure?
Decryption availability for Hptrickbot 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 Hptrickbot Ransomware from Windows?
Manual removal of Hptrickbot 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 Hptrickbot a virus or a Ransomware?
Hptrickbot is classified as a Ransomware. Unlike traditional viruses that infect files, modern malware like Hptrickbot typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Hptrickbot infection?
Symptoms of Hptrickbot 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 Hptrickbot 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/hptrickbot.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.