Once in a Blue Moon: State-Linked Actors Adopt Chrome & Windows Zero-Days

    Date: 09/14/2026

    Severity: High

    Summary

    The team identified four espionage-focused threat actors using a new exploit kit, tracked as BlueMoon, targeting Chrome and Microsoft Windows vulnerabilities. The China-aligned actor TA412 was the first observed user of BlueMoon on August 28, 2026, followed by several other suspected China-linked groups. BlueMoon is not confirmed to be exclusive to China-aligned actors, as some activity remains unattributed and additional users may exist. The exploit chain targets CVE-2026-85046, CVE-2026-87491, and the Windows kernel LPE zero-day CVE-2026-85880 to escape the Chrome renderer process. The two Chrome vulnerabilities were patch-gap zero-days, likely weaponized using publicly available Chromium source-code patches before fixes reached stable browser releases. As access to BlueMoon appears easy to adopt, the exploit kit could spread further among both espionage- and financially motivated threat actors as browser patches are widely deployed. 

    Indicators of Compromise (IOC) List     

    Domain/URLs

    secboxes.com

    msbenefit.com

    attcdn.com

    recommendation-letter.secboxes.com

    asianstudies.secboxes.com

    materials-project.secboxes.com

    project.secboxes.com

    evidence.msbenefit.com

    data.attcdn.com

    https://project.secboxes.com/ChromeUpdate.exe

    https://recommendation-letter.secboxes.com/ChromeUpdate.exe

    https://download.secboxes.com:443/dist.zip

    https://api-prod.secboxes.com:443/download

    https://evidence.msbenefit.com/msgbox.exe

    https://zki0y83.msbenefit.com:443/feed

    extension-management-portal.centerfjdr658.workers.dev

    extension-management-portal.kmjukilo-lkjh.workers.dev

    airproducts.ink

    precipart.ink

    epsilonsystems.net

    rocketlabusa.ink

    spectrolab.fit

    ms.checrity.com

    checrity.com

    aurexdefense.online

    cyclokinetics.online

    sncorp.fit

    tcomlp.online

    bosch-sensortec.site

    smxtech.xyz

    lindes.ink

    silvustechnologies.online

    worldview.fit

    emcore.ink

    airindia.fit

    airliquide.lol

    apollohospitals.fit

    haloengines.net

    jetoptera.co

    yhv41nji.workers.dev

    wcce.joinmacket.com

    joinmacket.com

    openlumakora.com

    publish.openlumakora.com

    eduac.workers.dev

    daoahueb.workers.dev

    https://app.eduac.workers.dev/Service

    https://app.eduac.workers.dev/Updateac

    https://small-union-7018.daoahueb.workers.dev/

    https://snowy-block-ae0a.daoahueb.workers.dev/

    getaiexo.com

    elixnovorem.com

    velodynaity.com

    dns.elixnovorem.com

    dns.getaiexo.com

    dns. velodynaity.com

    v93xdd5g.workers.dev

    black-flower-9250.v93xdd5g.workers.dev

    mailtbox.workers.dev

    vncdc.mailtbox.workers.dev

    brianwilli.com

    homepage.brianwilli.com

    1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com

    fracons.com

    https://homepage.brianwilli.com/d/calibre-launcher.dll

    https://homepage.brianwilli.com/d/wint.exe

    https://homepage.brianwilli.com/d/85rY.dat

    https://homepage.brianwilli.com/d/SysPr.prx

    1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com

    https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.exe

    https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.dll

    https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/SysPr.prx

    IP Address

    79.133.56.90

    Hash

    779b3e1a470e589d492b99154ba11622fbaebb19b3de694f660c725411b7096d

    ff1b49aaec994f4c11f2c9331e739abb4bc3d6abf66ec50ce99709fba35d782b

    7d6f6dcb17a423bdd7715f8a4e34f2939501a761bc9bf7aa005f805ef1f82288

    e950d03c58d49e28e31df8afeefca1f3b3d2cd6b697c40adfee1a4f6fe18f004

    353b5bd2780c1b0c07c1283d83cf16cf1e9ec226c17b2d09d56848893f9d98ee

    a4a6a04d85eca8d584d939d2437c85a4f291207d8042f2ec002838e336b72ef5

    295fc584f75e94108c9be945977db33ed80421f5d374eab188587c911dffd915

    Bc7d24f5cf8937b334966201bdcce8ca9bab6ec5889d40a399d4094dcad73360

    b34802a646fc4a8f07ffa09a5fda8bf7327446b22e3d7bb5163dafa1e2a8bb2b

    8453c42904b7b2fea5671b7bff06b2d937632ae29545fd11bc13095627a2805f

    f3c64014221a58f3fde88e562662dbd5a1b3dd2b59c86e9e2bc5cb8f671664e7

    87b6b24c06f99900a8aa579caedee1e402015884c925a98dcfb0fb38dfa2de22

    ac6bbc4b1f1c62e308781329183a46e18f454c27e66bffa09f343b53ac622b69

    ac6806c89e294f390838cb07c015dabec1c8ada06ce5161a0ad50b8a72828141

    3594ad58fb6217fafe9839e53999a90608c2e9f335fa20aece3d53f8c0802726

    3ec3151d8d1278ed966941ac89ea495ef6a80c70613dd9138cc85fc28c9df432

    6e6378d8d404166da89d982e80bc52e19a3f677201258dec1775f100a027a92d

    Email Address

    zfg.rc.420@gmail.com

    laylowthiago@gmail.com

    susan.thomas.90@outlook.com

    mariedubois1917@outlook.com

    reallifetalktv2@gmail.com

    faizus123@outlook.com

    firda.kemkes@outlook.com

    faizus123@proton.me

    dewiinpermata@outlook.com

    radhikadas07@outlook.com

    jeannifer.suryajaya@outlook.com

    siti.nurhaliza2026@outlook.com

    ditjenpajakri2026@outlook.com

    Gurucul Threat Detection and Incident Response (TDIR) Queries for Detection

    Detection Query 1 :

    domainname like "getaiexo.com" or url like "getaiexo.com" or siteurl like "getaiexo.com" or domainname like "https://snowy-block-ae0a.daoahueb.workers.dev/" or url like "https://snowy-block-ae0a.daoahueb.workers.dev/" or siteurl like "https://snowy-block-ae0a.daoahueb.workers.dev/" or domainname like "data.attcdn.com" or url like "data.attcdn.com" or siteurl like "data.attcdn.com" or domainname like "recommendation-letter.secboxes.com" or url like "recommendation-letter.secboxes.com" or siteurl like "recommendation-letter.secboxes.com" or domainname like "daoahueb.workers.dev" or url like "daoahueb.workers.dev" or siteurl like "daoahueb.workers.dev" or domainname like "tcomlp.online" or url like "tcomlp.online" or siteurl like "tcomlp.online" or domainname like "lindes.ink" or url like "lindes.ink" or siteurl like "lindes.ink" or domainname like "wcce.joinmacket.com" or url like "wcce.joinmacket.com" or siteurl like "wcce.joinmacket.com" or domainname like "publish.openlumakora.com" or url like "publish.openlumakora.com" or siteurl like "publish.openlumakora.com" or domainname like "epsilonsystems.net" or url like "epsilonsystems.net" or siteurl like "epsilonsystems.net" or domainname like "https://download.secboxes.com:443/dist.zip" or url like "https://download.secboxes.com:443/dist.zip" or siteurl like "https://download.secboxes.com:443/dist.zip" or domainname like "https://evidence.msbenefit.com/msgbox.exe" or url like "https://evidence.msbenefit.com/msgbox.exe" or siteurl like "https://evidence.msbenefit.com/msgbox.exe" or domainname like "sncorp.fit" or url like "sncorp.fit" or siteurl like "sncorp.fit" or domainname like "https://homepage.brianwilli.com/d/calibre-launcher.dll" or url like "https://homepage.brianwilli.com/d/calibre-launcher.dll" or siteurl like "https://homepage.brianwilli.com/d/calibre-launcher.dll" or domainname like "rocketlabusa.ink" or url like "rocketlabusa.ink" or siteurl like "rocketlabusa.ink" or domainname like "secboxes.com" or url like "secboxes.com" or siteurl like "secboxes.com" or domainname like "smxtech.xyz" or url like "smxtech.xyz" or siteurl like "smxtech.xyz" or domainname like "velodynaity.com" or url like "velodynaity.com" or siteurl like "velodynaity.com" or domainname like "homepage.brianwilli.com" or url like "homepage.brianwilli.com" or siteurl like "homepage.brianwilli.com" or domainname like "https://recommendation-letter.secboxes.com/ChromeUpdate.exe" or url like "https://recommendation-letter.secboxes.com/ChromeUpdate.exe" or siteurl like "https://recommendation-letter.secboxes.com/ChromeUpdate.exe" or domainname like "worldview.fit" or url like "worldview.fit" or siteurl like "worldview.fit" or domainname like "yhv41nji.workers.dev" or url like "yhv41nji.workers.dev" or siteurl like "yhv41nji.workers.dev" or domainname like "attcdn.com" or url like "attcdn.com" or siteurl like "attcdn.com" or domainname like "1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com" or url like "1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com" or siteurl like "1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com" or domainname like "black-flower-9250.v93xdd5g.workers.dev" or url like "black-flower-9250.v93xdd5g.workers.dev" or siteurl like "black-flower-9250.v93xdd5g.workers.dev" or domainname like "precipart.ink" or url like "precipart.ink" or siteurl like "precipart.ink" or domainname like "https://small-union-7018.daoahueb.workers.dev/" or url like "https://small-union-7018.daoahueb.workers.dev/" or siteurl like "https://small-union-7018.daoahueb.workers.dev/" or domainname like "https://app.eduac.workers.dev/Service" or url like "https://app.eduac.workers.dev/Service" or siteurl like "https://app.eduac.workers.dev/Service" or domainname like "msbenefit.com" or url like "msbenefit.com" or siteurl like "msbenefit.com" or domainname like "https://project.secboxes.com/ChromeUpdate.exe" or url like "https://project.secboxes.com/ChromeUpdate.exe" or siteurl like "https://project.secboxes.com/ChromeUpdate.exe" or domainname like "cyclokinetics.online" or url like "cyclokinetics.online" or siteurl like "cyclokinetics.online" or domainname like "silvustechnologies.online" or url like "silvustechnologies.online" or siteurl like "silvustechnologies.online" or domainname like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.dll" or url like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.dll" or siteurl like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.dll" or domainname like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.exe" or url like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.exe" or siteurl like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/krita.exe" or domainname like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/SysPr.prx" or url like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/SysPr.prx" or siteurl like "https://1a062f4982564d6d19a76884ce8bcbb6.r2.cloudflarestorage.com/datago/SysPr.prx" or domainname like "asianstudies.secboxes.com" or url like "asianstudies.secboxes.com" or siteurl like "asianstudies.secboxes.com"

    Detection Query 2 :

    domainname like "emcore.ink" or url like "emcore.ink" or siteurl like "emcore.ink" or domainname like "materials-project.secboxes.com" or url like "materials-project.secboxes.com" or siteurl like "materials-project.secboxes.com" or domainname like "https://api-prod.secboxes.com:443/download" or url like "https://api-prod.secboxes.com:443/download" or siteurl like "https://api-prod.secboxes.com:443/download" or domainname like "https://zki0y83.msbenefit.com:443/feed" or url like "https://zki0y83.msbenefit.com:443/feed" or siteurl like "https://zki0y83.msbenefit.com:443/feed" or domainname like "extension-management-portal.centerfjdr658.workers.dev" or url like "extension-management-portal.centerfjdr658.workers.dev" or siteurl like "extension-management-portal.centerfjdr658.workers.dev" or domainname like "https://app.eduac.workers.dev/Updateac" or url like "https://app.eduac.workers.dev/Updateac" or siteurl like "https://app.eduac.workers.dev/Updateac" or domainname like "elixnovorem.com" or url like "elixnovorem.com" or siteurl like "elixnovorem.com" or domainname like "fracons.com" or url like "fracons.com" or siteurl like "fracons.com" or domainname like "https://homepage.brianwilli.com/d/wint.exe" or url like "https://homepage.brianwilli.com/d/wint.exe" or siteurl like "https://homepage.brianwilli.com/d/wint.exe" or domainname like "airliquide.lol" or url like "airliquide.lol" or siteurl like "airliquide.lol" or domainname like "checrity.com" or url like "checrity.com" or siteurl like "checrity.com" or domainname like "brianwilli.com" or url like "brianwilli.com" or siteurl like "brianwilli.com" or domainname like "eduac.workers.dev" or url like "eduac.workers.dev" or siteurl like "eduac.workers.dev" or domainname like "dns.elixnovorem.com" or url like "dns.elixnovorem.com" or siteurl like "dns.elixnovorem.com" or domainname like "ms.checrity.com" or url like "ms.checrity.com" or siteurl like "ms.checrity.com" or domainname like "airindia.fit" or url like "airindia.fit" or siteurl like "airindia.fit" or domainname like "v93xdd5g.workers.dev" or url like "v93xdd5g.workers.dev" or siteurl like "v93xdd5g.workers.dev" or domainname like "apollohospitals.fit" or url like "apollohospitals.fit" or siteurl like "apollohospitals.fit" or domainname like "dns.getaiexo.com" or url like "dns.getaiexo.com" or siteurl like "dns.getaiexo.com" or domainname like "evidence.msbenefit.com" or url like "evidence.msbenefit.com" or siteurl like "evidence.msbenefit.com" or domainname like "https://homepage.brianwilli.com/d/SysPr.prx" or url like "https://homepage.brianwilli.com/d/SysPr.prx" or siteurl like "https://homepage.brianwilli.com/d/SysPr.prx" or domainname like "project.secboxes.com" or url like "project.secboxes.com" or siteurl like "project.secboxes.com" or domainname like "jetoptera.co" or url like "jetoptera.co" or siteurl like "jetoptera.co" or domainname like "bosch-sensortec.site" or url like "bosch-sensortec.site" or siteurl like "bosch-sensortec.site" or domainname like "extension-management-portal.kmjukilo-lkjh.workers.dev" or url like "extension-management-portal.kmjukilo-lkjh.workers.dev" or siteurl like "extension-management-portal.kmjukilo-lkjh.workers.dev" or domainname like "vncdc.mailtbox.workers.dev" or url like "vncdc.mailtbox.workers.dev" or siteurl like "vncdc.mailtbox.workers.dev" or domainname like "openlumakora.com" or url like "openlumakora.com" or siteurl like "openlumakora.com" or domainname like "https://homepage.brianwilli.com/d/85rY.dat" or url like "https://homepage.brianwilli.com/d/85rY.dat" or siteurl like "https://homepage.brianwilli.com/d/85rY.dat" or domainname like "mailtbox.workers.dev" or url like "mailtbox.workers.dev" or siteurl like "mailtbox.workers.dev" or domainname like "airproducts.ink" or url like "airproducts.ink" or siteurl like "airproducts.ink" or domainname like "haloengines.net" or url like "haloengines.net" or siteurl like "haloengines.net" or domainname like "spectrolab.fit" or url like "spectrolab.fit" or siteurl like "spectrolab.fit" or domainname like "joinmacket.com" or url like "joinmacket.com" or siteurl like "joinmacket.com" or domainname like "aurexdefense.online" or url like "aurexdefense.online" or siteurl like "aurexdefense.online" or domainname like "dns. velodynaity.com" or url like "dns. velodynaity.com" or siteurl like "dns. velodynaity.com"

    Detection Query 3 :

    dstipaddress IN ("79.133.56.90") or srcipaddress IN ("79.133.56.90")

    Detection Query 4 :

    sender IN (

    "zfg.rc.420@gmail.com","laylowthiago@gmail.com","susan.thomas.90@outlook.com","mariedubois1917@outlook.com","reallifetalktv2@gmail.com","faizus123@outlook.com","firda.kemkes@outlook.com","faizus123@proton.me","dewiinpermata@outlook.com","radhikadas07@outlook.com","jeannifer.suryajaya@outlook.com","siti.nurhaliza2026@outlook.com","ditjenpajakri2026@outlook.com") or recipient IN (

    "zfg.rc.420@gmail.com","laylowthiago@gmail.com","susan.thomas.90@outlook.com","mariedubois1917@outlook.com","reallifetalktv2@gmail.com","faizus123@outlook.com","firda.kemkes@outlook.com","faizus123@proton.me","dewiinpermata@outlook.com","radhikadas07@outlook.com","jeannifer.suryajaya@outlook.com","siti.nurhaliza2026@outlook.com","ditjenpajakri2026@outlook.com") or from IN (

    "zfg.rc.420@gmail.com","laylowthiago@gmail.com","susan.thomas.90@outlook.com","mariedubois1917@outlook.com","reallifetalktv2@gmail.com","faizus123@outlook.com","firda.kemkes@outlook.com","faizus123@proton.me","dewiinpermata@outlook.com","radhikadas07@outlook.com","jeannifer.suryajaya@outlook.com","siti.nurhaliza2026@outlook.com","ditjenpajakri2026@outlook.com") 

    Reference: 

    https://www.proofpoint.com/us/blog/threat-insight/once-bluemoon-multiple-state-aligned-threat-actors-rapidly-adopt-novel-exploit     


    Tags

    Threat ActorVulnerabilityCVE-2026ChinaMicrosoftCyber EspionageZero-dayExploitFinancial Services

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