Someone's Hands are on Your Keyboard Then Your Whole Network. Courtesy of ClickFix, Potemkin, RMMProject and EtherRAT

    Date: 06/23/2026

    Severity: High

    Summary

    A single ClickFix prompt on an unmonitored endpoint granted attackers unchallenged initial access. The breach quickly expanded to 11 hosts due to critical gaps in endpoint security coverage. The custom "Potemkin" loader used a deterministic DGA and custom cipher to deploy RMMProject. RMMProject RAT bypassed Chrome's App-Bound Encryption and embedded a LuaJIT scripting engine. The threat actors deployed EtherRAT and ultimately disabled Windows Defender completely. This attack highlights how missing telemetry allows actors to establish persistence and move laterally.

    Indicators of Compromise (IOC) List 

    Domains/URLs :

    sonra.eutialyson.com

    cl.distritovagas.com

    anus-staylard.xyz

    resumeacceptable.com

    IP Address : 

    77.110.122.58

    213.165.41.26

    Hash : 

    2abe5dd3a057fdef935722e50e9251c272d29fd26113187b853a1f9a9cb89d9b

    3b7ae925e2d64522b4f69b56285b05aeca8c5aab5ab46a9c02c4fafb69d881ce

    cd4e5e2c65b1660470d3446539ee68adf5faeece3eaeb46583623be9911ee145

    79f7b67ce8b39070f3e1c2b90fce0ce84134782a7dedcccc1edac197ee9e089b

    2ada24dd6e517f37942b749c2bd57ddd97445e9853002cee70a0bc30d0b0ce3a

    Ethereum contract :

    0xb3f2897f2bc797e5b9033faef8c81e92b01cb831

    Storage key :

    0x40b57c3622c1CbfD699207F71F2dE5A8Fe256893 

    EtherRAT build ID :

    ab653feb-9e78-4578-87ed-2e30329fe858

    Files : 

    C:\Windows\Temp\D0OK1nWwId9W.ps1

    C:\Windows\Temp\lQhEQui9a4lZ.exe

    C:\ProgramData\p\O67tak2KFRmJ.ps1

    C:\ProgramData\p\J6Gupb9TpYNI.ps1

    C:\ProgramData\p\fsjH6IHuUkhh.ps1

    C:\ProgramData\p\ek_full.ps1

    C:\ProgramData\p\ek_kill_av.ps1

    C:\ProgramData\p\ek_disable_av.ps1

    C:\ProgramData\p\yH88LG8yCOnU.ps1

    %LOCALAPPDATA%\hyper-v.ver

    %TEMP%\dll_debug.log

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

    Detection Query 1 :

    domainname like "cl.distritovagas.com" or url like "cl.distritovagas.com" or siteurl like "cl.distritovagas.com" or domainname like "resumeacceptable.com" or url like "resumeacceptable.com" or siteurl like "resumeacceptable.com" or domainname like "sonra.eutialyson.com" or url like "sonra.eutialyson.com" or siteurl like "sonra.eutialyson.com" or domainname like "anus-staylard.xyz" or url like "anus-staylard.xyz" or siteurl like "anus-staylard.xyz"

    Detection Query 2 :

    dstipaddress IN ("77.110.122.58","213.165.41.26") or srcipaddress IN ("77.110.122.58","213.165.41.26")

    Detection Query 3 :

    sha256hash IN ("79f7b67ce8b39070f3e1c2b90fce0ce84134782a7dedcccc1edac197ee9e089b","3b7ae925e2d64522b4f69b56285b05aeca8c5aab5ab46a9c02c4fafb69d881ce","2abe5dd3a057fdef935722e50e9251c272d29fd26113187b853a1f9a9cb89d9b","cd4e5e2c65b1660470d3446539ee68adf5faeece3eaeb46583623be9911ee145","2ada24dd6e517f37942b749c2bd57ddd97445e9853002cee70a0bc30d0b0ce3a")

    Detection Query 4 :

    resourcename = "Windows Security" and eventtype = "4663" and objectname IN ("C:\Windows\Temp\D0OK1nWwId9W.ps1","C:\Windows\Temp\lQhEQui9a4lZ.exe","C:\ProgramData\p\O67tak2KFRmJ.ps1","C:\ProgramData\p\J6Gupb9TpYNI.ps1","C:\ProgramData\p\fsjH6IHuUkhh.ps1","C:\ProgramData\p\ek_full.ps1","C:\ProgramData\p\ek_kill_av.ps1","C:\ProgramData\p\ek_disable_av.ps1","C:\ProgramData\p\yH88LG8yCOnU.ps1","%LOCALAPPDATA%\hyper-v.ver","%TEMP%\dll_debug.log")

    Detection Query 5 :

    technologygroup = "EDR" and objectname IN ("C:\Windows\Temp\D0OK1nWwId9W.ps1","C:\Windows\Temp\lQhEQui9a4lZ.exe","C:\ProgramData\p\O67tak2KFRmJ.ps1","C:\ProgramData\p\J6Gupb9TpYNI.ps1","C:\ProgramData\p\fsjH6IHuUkhh.ps1","C:\ProgramData\p\ek_full.ps1","C:\ProgramData\p\ek_kill_av.ps1","C:\ProgramData\p\ek_disable_av.ps1","C:\ProgramData\p\yH88LG8yCOnU.ps1","%LOCALAPPDATA%\hyper-v.ver","%TEMP%\dll_debug.log")

    Reference:   

    http://huntress.com/blog/potemkin-loader-rmmproject-clickfix-attack


    Tags

    MalwareClickFixRATRMM

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