Overview
overview
5Static
static
3Potassium....pet.js
windows11-21h2-x64
3WebView2Loader.dll
windows11-21h2-x64
1autoexec.lnk
windows11-21h2-x64
3bin/Decompiler.exe
windows11-21h2-x64
1bin/Potassium.dll
windows11-21h2-x64
1bin/Potassium.exe
windows11-21h2-x64
5bin/monaco/index.html
windows11-21h2-x64
3bin/monaco...ain.js
windows11-21h2-x64
3bin/monaco...tes.js
windows11-21h2-x64
3bin/monaco...ase.js
windows11-21h2-x64
3bin/monaco...ses.js
windows11-21h2-x64
3bin/monaco...del.js
windows11-21h2-x64
3bin/monaco...num.js
windows11-21h2-x64
3bin/monaco...tem.js
windows11-21h2-x64
3bin/monaco...ums.js
windows11-21h2-x64
3bin/monaco...nce.js
windows11-21h2-x64
3bin/monaco...del.js
windows11-21h2-x64
3bin/monaco...nal.js
windows11-21h2-x64
3bin/monaco...der.js
windows11-21h2-x64
3bin/monaco...ace.js
windows11-21h2-x64
3bin/monaco...-pd.js
windows11-21h2-x64
3bin/monaco...ons.js
windows11-21h2-x64
3bin/monaco...als.js
windows11-21h2-x64
3bin/monaco...rds.js
windows11-21h2-x64
3bin/monaco...ing.js
windows11-21h2-x64
3bin/monaco...ypt.js
windows11-21h2-x64
3bin/monaco...bug.js
windows11-21h2-x64
3bin/monaco...ath.js
windows11-21h2-x64
3bin/monaco.../os.js
windows11-21h2-x64
3bin/monaco...oth.js
windows11-21h2-x64
3bin/monaco...net.js
windows11-21h2-x64
3bin/monaco...gex.js
windows11-21h2-x64
3Analysis
- max time kernel
598s - max time network
382s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/07/2026, 11:48
Static task
static1
Behavioral task
behavioral1
Sample
Potassium.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.84/adblock_snippet.js
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
WebView2Loader.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
autoexec.lnk
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
bin/Decompiler.exe
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
bin/Potassium.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
bin/Potassium.exe
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
bin/monaco/index.html
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
bin/monaco/vs/base/worker/workerMain.js
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
bin/monaco/vs/basic-languages/lua/autocompletes.js
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/base.js
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes.js
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/DataModel.js
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/Enum.js
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/EnumItem.js
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/Enums.js
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/Instance.js
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/Model.js
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/RBXScriptSignal.js
Resource
win11-20260513-en
Behavioral task
behavioral19
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/ServiceProvider.js
Resource
win11-20260513-en
Behavioral task
behavioral20
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/classes/Workspace.js
Resource
win11-20260513-en
Behavioral task
behavioral21
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/functions-pd.js
Resource
win11-20260513-en
Behavioral task
behavioral22
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/functions.js
Resource
win11-20260513-en
Behavioral task
behavioral23
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/globals.js
Resource
win11-20260513-en
Behavioral task
behavioral24
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/keywords.js
Resource
win11-20260513-en
Behavioral task
behavioral25
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/Drawing.js
Resource
win11-20260513-en
Behavioral task
behavioral26
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/crypt.js
Resource
win11-20260513-en
Behavioral task
behavioral27
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/debug.js
Resource
win11-20260513-en
Behavioral task
behavioral28
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/math.js
Resource
win11-20260513-en
Behavioral task
behavioral29
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/os.js
Resource
win11-20260513-en
Behavioral task
behavioral30
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/oth.js
Resource
win11-20260513-en
Behavioral task
behavioral31
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/raknet.js
Resource
win11-20260513-en
Behavioral task
behavioral32
Sample
bin/monaco/vs/basic-languages/lua/autocompletes/libraries/regex.js
Resource
win11-20260513-en
General
- Target autoexec.lnk
- Size 2KB
- Sample260729-nyhs8avwhy
- SHA256 efbfe672f08e384cf022bd9722e5b83ca75f602b53fc0d389525b179303897f4
- MD5 fb5ebf1ae11a1059b54a7c1cc769ead1
- SHA1 0d4b9b9c8aa8833f2a4c91f595c915f82926a2c7
- SHA512 d66e93ebcb0b496c38b1c9b3468125240530b568de9993cc3c8454aa0be96353ed09337d193195b71e9a0c4c2ae280f36f29f5cebea6df05801e48c8ea269c01
- TLSH T1834115035FE60521D3BFCCB91EBB340A8A677262BB4109094114D68E1C71D17ED2AB1F
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4420 cmd.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell cmd.exe Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff cmd.exe