Zeusvm

Overview

Trojan-Banker:Win32/ZeusVM (also widely tracked in underground forums as KINS) is a highly sophisticated banking trojan variant derived from the leaked Zeus 2.0.8.9 source code that emerged in mid-2013. Designed to bypass cutting-edge behavioral antivirus heuristics, ZeusVM introduced two groundbreaking technical innovations: a custom virtual-machine-based x86 bytecode interpreter and digital steganography for configuration delivery. The malware encrypts its dynamic banking webinject rules and target bank URLs and embeds them within innocent-looking standard JPEG images hosted on compromised legitimate websites or free image hosting services. When executed, ZeusVM's proprietary virtual machine decrypts and executes the steganographic payload, injecting malicious hooks into Internet Explorer, Mozilla Firefox, and Google Chrome web sessions to perform real-time Man-in-the-Browser (MitB) fund transfers and bypass two-factor authentication (2FA). ZeusVM targeted hundreds of financial institutions across Europe, the United States, and Japan before international law enforcement sinkholing and banking browser defenses curtailed its operations.

Known aliases

Threat reports may refer to this family under multiple names:

• ZeusVM
• Zbot.VM
• Trojan.ZeusVM
• Win32/ZeusVM
• KINS
• Trojan-Banker.Win32.ZeusVM

Threat Actor Attribution

Attribution is probabilistic, not a science. Each link below states its confidence level and the evidence behind it.

• Russian Cybercrime Syndicate High confidence
  Basis:
• KINS Author (Hermes/Max) High confidence
  Basis:

Family Pedigree & Lineage

Malware authors regularly fork and iterate upon existing codebases. Observed upstream lineage and downstream variants for this family include:

Derived From / Upstream Ancestry: Zeus

Known Derivatives & Downstream Variants: Zeusvm V1 (Jpeg Steganography) · Kins V2.0 (Commercial Modular Banker)

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:

• 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.
• T1071.001: Implement web filtering and SSL/TLS inspection to detect malicious command and control (C2) traffic hiding in HTTP/HTTPS.
• T1185: Enforce strong MFA and use browser isolation or hardened browsers for sensitive financial or administrative portals to defeat session hijacking.

MITRE D3FEND™ Defensive Countermeasures

Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):

Exploited Vulnerabilities (CVEs)

This malware family is documented weaponizing the following common vulnerabilities and exposures:

• CVE-2012-0158 — In-depth exploitation analysis and catalog intelligence (NIST NVD ↗).
• CVE-2013-3906 — In-depth exploitation analysis and catalog intelligence (NIST NVD ↗).

Command & Control (C2) and Network Profile

How this family talks to its operators. C2 traffic can often identify a family even when its code and configuration are hard to analyse. Ports and patterns are historical and change between campaigns, so use them as hunting leads rather than block-only rules.

Indicators of Compromise

Public indicators drawn from CISA advisories and vendor reporting. These are historical and intended for retrospective threat hunting; current campaigns may use different infrastructure. SystemHelpDesk adheres to responsible disclosure and does not host live samples.

File hashes (SHA-256, sample)

Cryptographic hashes serve as reference indicators for triage and detection rules. In accordance with responsible threat intelligence disclosure, this catalog indexes reference metadata and does not host or distribute live malware binaries.

• 2f82ba1851b415a782bca8ca2107455cf6433ae6506fbc3b53f0fa752243d467
• 7c58ab7df0c8f5379b1836171a4f00843657b8599426f8d0ab7cfeb702221b6c

Delivery vectors

• exploit_kits
• drive_by_downloads
• steganographic_droppers

Persistence mechanisms

• HKCU\Software\Microsoft\Windows\CurrentVersion\Run
• Process Injection into explorer.exe

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:

rule MALWARE_WIN_ZEUSVM_T1_ARTIFACT {
    meta:
        description = "Tier 1 Primitive Artifact: Raw string matches for Zeusvm"
        tier = "T1 - Primitive Artifact"
        confidence = "Low-Medium (Fast Triage)"
        author = "SystemHelpdesk Threat Research Desk"
        date = "2026-10-14"
    strings:
        $s1 = "zeusvm" ascii wide nocase
        $s2 = "zeusvm" ascii wide nocase
        $s3 = "zbot.vm" ascii wide nocase
        $s4 = "trojan.zeusvm" ascii wide nocase
        $s5 = "win32/zeusvm" ascii wide nocase
        $s6 = "kins" ascii wide nocase
        $s7 = "trojan-banker.win32.zeusvm" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

title: SystemHelpDesk Detection - Zeusvm (Banking Trojan) Execution & Triage
id: 8b0840b1-81a2-55c4-824d-921be312c8ce
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
  with the Zeusvm malware family. Detects recon staging, certutil file payload staging,
  and web-inject process proxying characteristic of banking trojan initial loaders.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/zeusvm
- https://malware-families-catalog.systemhelpdesk.com/defensive/banking-trojan-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.banking-trojan
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1027_003
- attack.t1185
- attack.t1055_001
- attack.t1071_001
- attack.t1056_001
logsource:
  category: process_creation
  product: windows
detection:
  selection_process:
    Image|endswith:
    - \svchost.exe
    - \explorer.exe
    - \msiexec.exe
    - \certutil.exe
    CommandLine|contains:
    - -urlcache
    - -split -f
    - ipconfig /all
    - route print
    - netstat -ano
  condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: high

rule MALWARE_WIN_ZEUSVM_T3_ATTRIBUTION {
    meta:
        description = "Tier 3 Attribution Fingerprint: Heuristic detection for Zeusvm 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 = "zeusvm" 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.

1. Terminate injected browser processes and isolate affected corporate banking workstations.
2. Deploy network inspection proxies to analyze inbound JPEG image streams for embedded encrypted blocks.
3. Revoke compromised online banking session cookies and reset credentials across all financial portals.
4. Apply security patches for Microsoft Office memory corruption vulnerability CVE-2012-0158.

What to Avoid

Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.

1. Do not allow uninspected image downloads from non-standard image hosting domains on financial endpoints.
2. Avoid accessing corporate banking portals without hardware-backed multi-factor authentication.
3. Never bypass antivirus warnings regarding obfuscated bytecode execution.

References & External Analysis

• Kaspersky Securelist: ZeusVM Steganography in Banking Trojans
• CERT-EU Security Advisory: ZeusVM Financial Malware
• NIST National Vulnerability Database CVE-2013-3906
• Search "zeusvm" on VirusTotal (External Analysis)
• Search "zeusvm" on Any.Run (Sandbox Sandbox)
• Search "zeusvm" on MalwareBazaar (Malware Samples)

Frequently Asked Questions

Related Threats (Category: Banking Trojan)

Explore other documented threats in the same operational category:

• Carbanak
• Shiotob
• Tinba
• Banbra
• Blackmoon
• Bancos
• Guildma
• Trickster

Machine-readable

Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/zeusvm.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.