Since April 2025, a sophisticated malware framework known as OkoBot has been actively targeting Windows users, specifically those managing high-value crypto assets via hardware wallets. The threat has persisted into 2026, representing a significant evolution in social engineering tactics. Unlike traditional phishing that relies on external emails or fake websites, OkoBot operates from within the trusted perimeter of the victim's own machine.
By injecting malicious UI components directly into legitimate desktop applications for Ledger and Trezor, OkoBet bypasses the user's standard verification checks. When a user plugs in their hardware device, the malware triggers a prompt—indistinguishable from the native interface—requesting the recovery seed phrase. This results in the immediate compromise of the wallet's private keys, leading to irreversible asset theft. Security teams must treat this as an active financial crime incident and prioritize detection of process manipulation and UI hijacking.
Technical Analysis
- Affected Platform: Microsoft Windows (10/11).
- Affected Software: Ledger Live (Desktop), Trezor Suite (Desktop).
- Threat Type: Malware Framework / UI Injection / Social Engineering.
- Mechanism: OkoBot utilizes process injection or window hooking techniques to modify the rendering context of the wallet application. It waits for a hardware interaction (USB device insertion event) before triggering the overlay, ensuring the user is in a transactional mindset.
- Attack Chain:
- Initial Access: Likely via malvertising, trojanized software, or phishing (exact vector varies by module).
- Execution: OkoBot establishes persistence on the Windows endpoint.
- API Hooking/Injection: The malware injects code or hooks APIs (e.g.,
SetWindowsHookEx,WriteProcessMemory) within the wallet application processes (Ledger Live.exe,Trezor Suite.exe). - Social Engineering: Upon detecting the hardware wallet connection, the malware renders a fake "Recovery Phrase" or "Security Check" window inside the legitimate app frame.
- Exfiltration: The entered seed phrase is captured and transmitted to the attacker's C2 server.
- Exploitation Status: Confirmed Active Exploitation. OkoBot is not a theoretical proof-of-concept; it is a live framework currently operational in the wild as of mid-2026.
Detection & Response
Detecting OkoBot requires focusing on the behavior of cross-process interaction. Since the malware injects itself into the wallet application, we must hunt for suspicious processes obtaining access to the memory or UI space of Ledger Live.exe or Trezor Suite.exe.
Sigma Rules
---
title: OkoBot Suspicious Process Access to Wallet Applications
id: 8f2c4a10-1b3d-4c5e-9f6a-2b3c4d5e6f7a
status: experimental
description: Detects potential OkoBot activity where a non-system process grants suspicious access rights (VM Write/Operation) to Ledger or Trezor wallet processes.
references:
- https://thehackernews.com/2026/07/okobot-malware-framework-injects-seed.html
author: Security Arsenal
date: 2026/07/14
tags:
- attack.t1055
- attack.process_injection
- attack.credential_access
logsource:
category: process_access
product: windows
detection:
selection:
TargetImage|endswith:
- '\Ledger Live.exe'
- '\Trezor Suite.exe'
GrantedAccess|contains:
- '0x1FFFFF'
- '0x143A'
- '0x1010'
- '0x1410'
SourceImage|notcontains:
- '\Program Files\'
- '\Program Files (x86)\'
- 'C:\Windows\System32\'
condition: selection
falsepositives:
- Legitimate antivirus scanners interacting with the process
level: high
---
title: OkoBot Suspicious Child Process Spawn from Wallet App
description: Detects unusual processes spawned directly by wallet applications, indicative of process hollowing or command execution via OkoBot.
id: 9e3d5b21-2c4e-5d6f-0a7b-3c4d5e6f7a8b
status: experimental
author: Security Arsenal
date: 2026/07/14
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith:
- '\Ledger Live.exe'
- '\Trezor Suite.exe'
Image|endswith:
- '\powershell.exe'
- '\cmd.exe'
- '\wscript.exe'
- '\cscript.exe'
condition: selection
falsepositives:
- Administrative troubleshooting (rare)
level: critical
KQL (Microsoft Sentinel / Defender)
// Hunt for OkoBot process injection indicators
// Look for non-system processes granting memory access rights to wallet apps
DeviceProcessEvents
| where Timestamp > ago(7d)
| where FileName in~ ("Ledger Live.exe", "Trezor Suite.exe")
| join kind=inner (
DeviceProcessEvents
| where ActionType == "ProcessCreated" // or specific ProcessAccess event if available in schema
| project InitiatingProcessFileName, InitiatingProcessId, Timestamp
) on $left.ProcessId == $right.InitiatingProcessId
| where InitiatingProcessFileName !in~ ("Ledger Live.exe", "Trezor Suite.exe", "vlc.exe", "chrome.exe", "msmpeng.exe")
| project Timestamp, DeviceName, FileName, InitiatingProcessFileName, InitiatingProcessCommandLine, FolderPath
Velociraptor VQL
-- Hunt for handles opened against wallet applications
-- Commonly used by malware for UI injection or process hollowing
SELECT ProcessId, Pid, Name, Username, CommandLine
FROM pslist()
WHERE Name =~ 'Ledger Live.exe' OR Name =~ 'Trezor Suite.exe'
-- Then inspect handles for these PIDs in a secondary query or artifact
SELECT *
FROM handles(pid=ProcessId)
WHERE Name =~ 'Section'
OR Name =~ 'Process'
Remediation Script (PowerShell)
# OkoBot Response & Verification Script
# Run as Administrator
Write-Host "[+] Verifying Integrity of Wallet Applications..."
$walletPaths = @(
"$env:LOCALAPPDATA\Programs\Ledger Live\Ledger Live.exe",
"$env:LOCALAPPDATA\Programs\Trezor Suite\Trezor Suite.exe"
)
foreach ($path in $walletPaths) {
if (Test-Path $path) {
$sig = Get-AuthenticodeSignature -FilePath $path
if ($sig.Status -ne 'Valid') {
Write-Host "[!] CRITICAL: Digital signature invalid or missing for $path" -ForegroundColor Red
Write-Host " Status: $($sig.Status) - SignerCertificate: $($sig.SignerCertificate.Subject)"
} else {
Write-Host "[+] Signature valid for: $path" -ForegroundColor Green
}
}
}
Write-Host "[+] Checking for suspicious persistence via Registry Run keys..."
$runKeys = @(
"HKCU:\Software\Microsoft\Windows\CurrentVersion\Run",
"HKLM:\Software\Microsoft\Windows\CurrentVersion\Run"
)
$suspiciousPatterns = @("powershell -enc", "iex", "Invoke-Expression")
foreach ($key in $runKeys) {
if (Test-Path $key) {
Get-Item $key | Select-Object -ExpandProperty Property | ForEach-Object {
$propValue = (Get-ItemProperty -Path $key -Name $_).$_
foreach ($pattern in $suspiciousPatterns) {
if ($propValue -match $pattern) {
Write-Host "[!] WARNING: Suspicious value found in $key" -ForegroundColor Yellow
Write-Host " Name: $_ | Value: $propValue"
}
}
}
}
}
Write-Host "[+] Verification complete. If errors were found, isolate the host and re-image."
Remediation
- Isolate the Host: Immediately disconnect the infected machine from the network and any Bluetooth connections to prevent further C2 communication or lateral movement.
- Do NOT Use the Seed Phrase: If the user entered their seed phrase on the infected machine, assume the wallet is compromised. Transfer funds immediately to a new hardware wallet using a clean, known-good device.
- Re-image the Endpoint: OkoBot is a modular malware framework. Manual removal is prone to failure due to potential persistence mechanisms. The only safe remediation is to wipe the drive and reinstall the OS from trusted media.
- Verify Software Integrity: Before reinstalling wallet software, verify the digital signature of the downloaded installer. Download installers only from the official vendor domains (ledger.com, trezor.io).
- User Education: Inform users that legitimate wallet applications never ask for the 12/24-word recovery phrase during standard operation, specifically after plugging in the device.
Related Resources
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