Flagged in the threat library: WaSteal

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

Chrome Web Store Verified

Was Hub

2f185bec-a0f5-5c57-b9ce-a0189295dda5 | v7.4.3.87
65/ 100
MEDIUM risk
No change since v7.4.3.85
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
5 days ago
Version
v7.4.3.87
Artifact
SHA256 AB7…0FE
Source
Findings (non-IoC)

Is Was Hub safe?

Was Hub is a CRM plugin for WhatsApp Web. It helps you organise chats and contacts inside the browser. This extension declares no special permissions and no host permissions, so it is not requesting blanket access to every page you open. It does use the network: the endpoint list includes api.statsigcdn.com, which serves feature flags, and api.atlassian.com, and the code makes fetch and Socket.IO calls from background.js and from bundled files under content/assets/js/.

Two findings are worth knowing about even though neither is harmful here. NET-SOCKET_IO-content/assets/js/v_7_4_3_84_5d4486fa-7201-47e2-ab22-dda3ca1a73a146.js:64 means the extension opens a live connection to a server. If that server belonged to someone who wanted your chat data, a socket is how it would be sent. OBFUSCATION-LARGE_BASE64-funnil/assets/js/fa595624-57e9-42a8-be2b-801bd6c35351.CdHxSFqr.js-1 is a base64 block inside an asset file, which is where a hidden script would live if there were one.

Nothing in the scan shows what either would need to be harmful. There are no malware signatures, no cookies or credentials being read, and no hijacked search or new-tab page. Most of the flagged items are the scanner reading pieces of minified JavaScript as if they were domain names. Entries like btn.glass, calls.function.arguments.delta and color.border.accent.orange are CSS class names and object fields, not servers. The rest are code-quality notes that fire on any large JavaScript bundle.

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

779 detail rows

YARA Rule Matches

16 rules
SeverityRuleHitsFilesMetadata
LOWServerHostnameNotVerified 1
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289.js
-
LOWLocalStorageShouldNotBeUsed 15
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28925.jscrm/index.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289260.js +12 more
-
LOWpostinstall file download 55
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289235.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289139.jsfunnil/assets/ttf/Segoeuibolditalic.chunk.ttf +52 more
-
LOWNoUseEval 1
whatsapp/wpp/index.js
-
LOWNoUseWeakRandom 38
funnil/assets/js/comp.DyHpIB2X.jsfunnil/index.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28922.js +35 more
-
LOWSQLInjection 1
fluxo/index.js
-
LOWcredential env files 30
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289238.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289213.jscrm/index.js +27 more
-
LOWpostinstall persistence mechanism 19
crm/index.jsfunnil/assets/js/68038811-0075-484f-8b19-297df42f51e1.CVYXH02z.jscrm/assets/css/style.css +16 more
-
LOWpostinstall environment access 111
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289185.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d2894.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28929.js +108 more
-
LOWpostinstall network communication 94
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289192.jscrm/assets/js/emoji-picker-react.esm.aMh8OwYb.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28934.js +91 more
-
LOWOriginsNotVerified 5
crm/assets/js/b3c3d2a2-f432-4ecd-a3f4-0b4582cc4a6c.B8_nURbH.jsfluxo/index.jsfunnil/assets/js/770d23cd-9021-4aef-887e-d47811b5c322.B8_nURbH.js +2 more
-
LOWpostinstall crypto operations 44
crm/assets/js/emoji-picker-react.esm.aMh8OwYb.jsfluxo/assets/js/5181be2f-1174-4183-97f1-b7530a9ad338.DdaECTgj.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289125.js +41 more
-
LOWpostinstall system command 77
crm/assets/js/createAudio.CX471qRG.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289175.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28973.js +74 more
-
LOWpostinstall obfuscation 83
content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28925.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289261.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28978.js +80 more
-
LOWpostinstall registry modification 8
crm/assets/js/5e35787c-36b2-4a56-8ea4-4e0a75aa6943.D2Np3EBj.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d2895.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289260.js +5 more
-
LOWpostinstall file manipulation 172
fluxo/assets/js/modal.DwnKkzRB.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289231.jscontent/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289256.js +169 more
-

Network Indicators

Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.

412 total

Loading network indicators

IoC detail rows are loaded outside the initial page render.

Publisher Evidence

Limited evidence

[email protected]

Publisher 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.

47
Noisy-finding weight
x1.00
Publisher domain
extensao.store
Observed
Store verification signal
Limited signal
Limited
Extension portfolio
174
Portfolio

11 evidence rows available.

Finding Categories

2
Obfuscation
22
Network
412
IoC Indicators

YARA Rules Matched

16 rules(754 hits)
ServerHostnameNotVerified LocalStorageShouldNotBeUsed postinstall file download NoUseEval NoUseWeakRandom SQLInjection credential env files postinstall persistence mechanism postinstall environment access postinstall network communication OriginsNotVerified postinstall crypto operations postinstall system command postinstall obfuscation postinstall registry modification postinstall file manipulation

Requested Permissions

5 permissions
tabs
Medium
unlimitedStorage
Low
storage
Low
alarms
Low
https://web.whatsapp.com/*
Low

AI Security Report

AI Security Review

Evidence context: threat category none; evidence quality moderate.

Was Hub is a Chrome Web Store CRM for WhatsApp Web, published under the contact address [email protected] at version 7.4.3.84, with four users. The scan output is dominated by code-quality flags and indicator extractions, and contains no malware signatures and no malware detections at all. The manifest record holds a single manifest-analysis entry and no host permissions or API permissions, so nothing here shows the extension asking for broad access to your browsing.

The network findings line up with what a WhatsApp CRM has to do. background.js:52, background.js:63 and background.js:137 are plain fetch calls. content/assets/js/v_7_4_3_84_5d4486fa-7201-47e2-ab22-dda3ca1a73a121.js triggers two NET-JQUERY_AJAX findings, while v_7_4_3_84_5d4486fa-7201-47e2-ab22-dda3ca1a73a146.js and v_7_4_3_84_5d4486fa-7201-47e2-ab22-dda3ca1a73a170.js trigger NET-SOCKET_IO. A tool that tracks conversations in real time needs a socket and periodic fetches. Those files carry a version string in the filename, which is how a production bundle looks, and the code inside is minified rather than hand-written.

The endpoint list is where the extractor stops being useful. calls.function.arguments.delta, border.radius.circle, color.border.accent.orange, btn.glass and artboard.phone are property chains and design-token names, not hosts. avatar.online and above.sm are fragments of longer strings. The entries that are real hosts are api.statsigcdn.com, a feature-flag CDN, and api.atlassian.com plus api.stg.atlassian.com, Atlassian's API, both ordinary third-party services. Nowhere in the list is there a query.* or search.* domain, a new-tab replacement host, or a login or banking domain.

Two findings deserve a closer look. OBFUSCATION-FUNCTION_INDIRECT in content/assets/js/v_7_4_3_84_5d4486fa-7201-47e2-ab22-dda3ca1a73a1254.js is what a minifier produces when it aliases functions through a lookup table. OBFUSCATION-LARGE_BASE64 in funnil/assets/js/fa595624-57e9-42a8-be2b-801bd6c35351.CdHxSFqr.js is a base64 block inside an asset bundle. That directory name is unusual, and the blob is the one item in this scan that the filename alone does not explain. Decoding it would settle the question; a bundle like that usually holds an inlined image, font or worker script, and no malware signature sits beside it in the same file, which is the pairing that would change this verdict.

A skeptic would argue the opposite: an extension with four users, an email address where a publisher name should be, no declared permissions and an unexplained base64 blob is exactly the profile to distrust. That is fair, and it is why this is a considered call rather than a clean pass. The reason it holds is that the behaviours we look for leave marks this scan does not contain. There is no malware signature, no credential or cookie access pointed at a real service, no browser-hijack domain, and no endpoint that reads like an exfiltration host. What is left are the findings a bundled build of a chat client produces on its own.

Key Reasons

  • No malware signatures and no malware detections in the scan; the bulk of the output is code-quality flags and indicator extractions.
  • The network findings are fetch, jQuery AJAX and Socket.IO calls in background.js and content/assets/js/v_7_4_3_84_*.js, which is what a realtime WhatsApp CRM requires.
  • The endpoint list is mostly non-hosts such as calls.function.arguments.delta, btn.glass and border.radius.circle; the real hosts are api.statsigcdn.com and api.atlassian.com.
  • Both obfuscation hits sit in minified bundle or asset files with no malware signature in the same file.
  • No host permissions declared, and no hijack, credential or banking domains anywhere in the findings.

False Positive Considerations

  • 413 indicator extractions are string fragments, object property chains and CSS token names misread as domains.
  • 727 code-quality findings are scanner noise that fires on any non-trivial JavaScript.
  • 21 network findings are expected fetch, jQuery AJAX and Socket.IO calls inside a bundled chat client.
  • Obfuscation hits land on minified bundle files and a base64 asset, not on hand-written payload code.

Reviewed 2026-09-26; recommended action: suppress false positive; model confidence 75%.

Chrome version history

Risk trend by version

18 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.

Selected
65
Change since first
+4
Change from previous
No change
Versions:
First analyzed version
7.4.3.41
May 21, 2026
Risk range
60 to 76
Across analyzed versions
Latest analyzed version
7.4.3.87
Oct 11, 2026
Selected version
medium
Version
v7.4.3.87
5 days ago
Risk score
65
Findings
1192
Change vs previous
No change

Pick any point on the chart to explore that version's code below.

About This Extension

Experimente as novas funcionalidades do Was Hub, projetadas para oferecer mais controle sobre seus leads e aumentar suas prospecções de clientes. Com envios em massa e exportação de contatos. Principais Funcionalidades: ✔ Envio em massa para seus contatos ou contatos importados via CSV ✔ Criação de abas personalizadas para fácil localização de contatos importantes ✔ Visão Kanban para organizar seus leads ✔ Envio de mensagens para números não salvos na agenda ✔ Notas personalizadas para cada contato ✔ Criação de lembretes para retornar ligações ✔ Agendamento de reuniões no Google Agenda ✔ Configuração de lembretes simples com notificações ✔ Banco de respostas rápidas para envio com um clique ✔ Exportação de todos os contatos de grupos ✔ Suporte a múltiplos idiomas (português, espanhol, inglês) ✔ Função de borrar mensagens para criação de vídeos tutoriais. ✔ Assistente AI — Sua inteligência artificial pronta para ajudar! Otimize seu tempo com um assistente inteligente, rápido e sempre disponível. Responda dúvidas, automatize tarefas, gere textos, traduções e muito mais com o poder da IA. Ideal para profissionais, equipes e quem busca praticidade no dia a dia. Destaques de Segurança: ✔ Aprovado em auditoria de segurança pelo Google Chrome ✔ Não utiliza banco de dados, todas as operações são realizadas localmente no seu computador Was Hub é uma extensão independente do Chrome que adiciona recursos extras ao seu WhatsApp web, não fazemos parte do WhatsApp Inc., não temos contrato de uso ou licenças exclusivas

Frequently Asked Questions