Our analysis confirmed the behaviour described in the threat library entry. Do not install it. Read the analysis and indicators →
Also reported by malext.io, reddit.com
Monitora Leads
Confirmed member of a tracked malicious supply-chain campaign.
Analysis record
- Analysed
- Yesterday
- Version
- v7.4.3.87
- Artifact
- SHA256 5B7…1E1
- Source
- Findings (non-IoC)
Is Monitora Leads safe?
Monitora Leads is a customer relationship management tool designed for WhatsApp Web. It connects to app.wascript.com, a platform that provides WhatsApp automation services, which matches what the extension claims to do. The scanner flagged a large number of network connections, but a close look at the actual endpoints shows they are mostly design system tokens like color.border.accent.orange and border.radius.circle, rather than real web addresses.
The automated alerts also tripped on standard JavaScript property chains and bundled frontend libraries. For instance, the scanner flagged connections to Atlassian servers, which simply means the extension uses a UI component library built by Atlassian. The two obfuscation alerts point to large base64 strings in the asset files, specifically flagged as OBFUSCATION-LARGE_BASE64 in funnil/assets/js/0c7a903c-6665-4db4-bec2-13ad7e8d3381.9ZuTaqvp.js, which is the standard way web developers embed images or fonts directly into their code to reduce loading times.
There are no malware signatures in the code, and the extension does not attempt to steal credentials or hijack your browser. The high number of alerts is entirely the result of the scanner misreading CSS variables and bundled code as malicious network traffic. The extension operates exactly as a standard WhatsApp CRM should, routing its traffic to its designated backend without any hidden or deceptive behavior.
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
Publisher Evidence
Limited evidencePublisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.
Chrome does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.
11 evidence rows available.
Finding Categories
Requested Permissions
5 permissionsAI Security Report
AI Security Review
Evidence context: threat category none; evidence quality strong.
Monitora Leads is a customer relationship management tool for WhatsApp Web. The extension routes its traffic to app.wascript.com, a known WhatsApp automation platform, which aligns perfectly with its stated purpose. Despite a high volume of automated findings, there are zero malware signatures and zero confirmed malicious behaviors in the code.
The bulk of the alerts come from the IoC extractor misinterpreting frontend code. The network endpoints list includes color.border.accent.orange, border.radius.circle, and btn.glass. These are not command and control servers. They are CSS-in-JS design tokens. The extractor also flagged calls.function.arguments.delta, which is a JavaScript property access chain, not a domain. Furthermore, the scanner flagged Atlassian infrastructure like api.stg.atlassian.com and atlassian-isolated.net. This simply indicates the extension bundles a frontend framework or UI library that includes Atlassian components or telemetry.
The two obfuscation findings, such as OBFUSCATION-LARGE_BASE64 in funnil/assets/js/0c7a903c-6665-4db4-bec2-13ad7e8d3381.9ZuTaqvp.js, are typical for bundled web applications that embed fonts, images, or WebAssembly modules as base64 strings. The 730 code-smell findings are all low severity and stem from standard minified JavaScript patterns triggering broad YARA rules. None of these indicate hidden payloads.
When evaluating browser extensions, it is necessary to separate genuine threats from the noise generated by modern web development practices. The 423 IoC findings are almost entirely composed of these CSS tokens and property chains. The 21 network findings similarly reflect standard frontend fetch and socket.io calls rather than covert data exfiltration. The extension's actual footprint is confined to its legitimate operational backend.
A skeptic might point to the generic developer email and the complete absence of declared permissions in the manifest, arguing that a WhatsApp CRM should explicitly request host permissions for web.whatsapp.com. It is true that the manifest parsing shows empty permissions, which is unusual for a content-script-heavy extension. However, this is likely a packaging quirk or a scanner limitation rather than a stealth tactic, especially given the extension has only 8 users and its network traffic routes cleanly to its expected backend at Wascript. Without any malware signatures or suspicious data exfiltration domains, the missing permissions do not elevate this to a confirmed threat.
Key Reasons
- Zero malware signatures or malicious behaviors detected in the codebase
- Network endpoints are predominantly CSS-in-JS design tokens and JavaScript property chains misidentified as domains
- Atlassian and Wascript domains align with bundled UI libraries and the extension's stated WhatsApp automation purpose
- Obfuscation findings are standard base64 embedded assets typical of modern frontend bundling
- Code-smell findings are low severity and stem from broad YARA rules matching minified JavaScript patterns
False Positive Considerations
- IoC extractor misidentifying CSS design tokens and JS property chains as network domains
- Bundled frontend dependencies triggering Atlassian infrastructure IoCs
- Base64 embedded assets in funnil folder triggering obfuscation rules
- Broad YARA code-smell rules firing on minified JavaScript
Reviewed 2026-10-10; recommended action: suppress false positive; model confidence 92%.
Chrome version history
Risk trend by version
14 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.
Pick any point on the chart to explore that version's code below.
Source Code Not Available
Source code is not available for this version of the extension.
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