Analysis

  • user interaction
    yes
  • max time kernel
    37s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/05/2026, 20:03

General

  • Target
    AddonBypassersetup.exe
  • Size 12.2MB
  • Sample260529-ysrt2sfx6k
  • SHA256 662aab93a5e211f9f79011fdb44f3c505377b79ad3fdfb77612686d44b05a810
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 26 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 4 IoCs

    Inno Setup installer

  • Modifies registry class 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AddonBypassersetup.exe
    "C:\Users\Admin\AppData\Local\Temp\AddonBypassersetup.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3356
    • \??\c:\users\admin\appdata\local\temp\addonbypassersetup.exe 
      c:\users\admin\appdata\local\temp\addonbypassersetup.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Users\Admin\AppData\Local\Temp\is-EC9E8.tmp\addonbypassersetup.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-EC9E8.tmp\addonbypassersetup.tmp" /SL5="$D0156,11622265,844800,c:\users\admin\appdata\local\temp\addonbypassersetup.exe "
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:2352
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:884
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3556
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2496
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1200
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:4316
  • C:\Users\Admin\AppData\Local\Temp\AddonBypasser\AddonBypasser.exe
    "C:\Users\Admin\AppData\Local\Temp\AddonBypasser\AddonBypasser.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:2268

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AddonBypasser.exe

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\AddonBypasser.exe
        • Size 3.3MB
        • SHA256 9baa37b5ab39ef55ee761cf7bb6eaca3b19ea240b4a16babc1e113bfc06361b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _imaging.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\PIL\_imaging.cp313-win_amd64.pyd
        • Size 2.3MB
        • SHA256 da0917fb34ae6902818960b9e50f66fa779ed8a4b0d80c7d9d96321ad99122e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 82a2f9ae1e6146ae3cb0f4bc5a62b7227e0384209d9b1aef86bbcc105912f7cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_bz2.pyd
        • Size 84KB
        • SHA256 5ba872caa7fcee0f4fb81c6e0201ceed9bd92a3624f16828dd316144d292a869
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_ctypes.pyd
        • Size 131KB
        • SHA256 199cd8d7db743c316771ef7bbf414ba9a9cdae1f974e90da6103563b2023538d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_decimal.pyd
        • Size 273KB
        • SHA256 f4a486a0ca6a53659159a404614c7e7edccb6bfbcdeb844f6cee544436a826cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _elementtree.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_elementtree.pyd
        • Size 131KB
        • SHA256 f7d884c475e5c98006bf7c2abb6b5acbd885157fb809ed2ee06d2347ab409bc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_hashlib.pyd
        • Size 63KB
        • SHA256 14765e83996fe6d50aedc11bb41d7c427a3e846a6a6293a4a46f7ea7e3f14148
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_lzma.pyd
        • Size 155KB
        • SHA256 6f48e7eba363cb67f3465a6c91b5872454b44fc30b82710dfa4a4489270ce95c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_queue.pyd
        • Size 33KB
        • SHA256 e4956834df819c1758d17c1c42a152306f7c0ea7b457ca24ce2f6466a6cb1caa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_socket.pyd
        • Size 82KB
        • SHA256 8daefaff53e6956f5aea5279a7c71f17d8c63e2b0d54031c3b9e82fcb0fb84db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_ssl.pyd
        • Size 178KB
        • SHA256 21ca71b2c1766fc68734cb3d1e7c2c0439b86bcfb95e00b367c5fd48c59e617c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cp1252.enc

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_tcl_data\encoding\cp1252.enc
        • Size 1KB
        • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
        • MD5 SHA1 SHA512 TLSH

        _tkinter.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_tkinter.pyd
        • Size 66KB
        • SHA256 6edeccc758733e44edaeff20e403ede9a782335f7bd80975697547087c32c5cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\_wmi.pyd
        • Size 39KB
        • SHA256 ab87fe4b0cf5b2b17901905ea86367b9756c44845eb463e77435648f0f719354
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\base_library.zip
        • Size 1.3MB
        • SHA256 b1d4cb377fe7c2bdd6ff6923d8e29553b5f98a09b2397effd40c21575b5adf34
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\libssl-3.dll
        • Size 774KB
        • SHA256 2e4d35b681a172d3298caf7dc670451be7a8ba27c26446efc67470742497a950
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\pyexpat.pyd
        • Size 197KB
        • SHA256 b93e6083eb06137cc9191dac0d9cf4483e47192113d3ac2228b4549f737bac85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\python3.dll
        • Size 70KB
        • SHA256 4f93342b59addedbe45ebd973e6449ab85b11c0aab6ad7962124e293c5d03638
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\python313.dll
        • Size 5.8MB
        • SHA256 bf68cf819a1e865170430c10e91c18b427aef88db1da1742020443864aa2b749
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\select.pyd
        • Size 31KB
        • SHA256 baee284995b22d495fd12fa8378077e470978db1522c61bfb9af37fb827f33d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tcl86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\tcl86t.dll
        • Size 1.8MB
        • SHA256 31560ca3b0eec014013405e9652b9261824232883749f0461d7d4e5f7faea3ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tk86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\tk86t.dll
        • Size 1.5MB
        • SHA256 34d402f3d6a237aac1165a010016ac032e0ae1a86dcfa03dda49ebfc0af40cad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\unicodedata.pyd
        • Size 694KB
        • SHA256 a67eec238162fde20ac24ca7df931792734aad0611be22d1b3a71bc15acf72f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        versus.ico

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\versus.ico
        • Size 4KB
        • SHA256 e2ed7dc29676945cfd353e9faeb3e6bf137aa9f42d5a8af9c86193b6e9eed3c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\zlib1.dll
        • Size 144KB
        • SHA256 94675de9234f00e75c73e4973f8fb49a272a1df8003337205cd1b15fb642a168
        • MD5 SHA1 SHA512 SSDEEP TLSH

        backend_c.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\AddonBypasser\_internal\zstandard\backend_c.cp313-win_amd64.pyd
        • Size 508KB
        • SHA256 0b494d168a67f2eb2d75593714a4db65fe0f000b66388ab3c721a67515a2fefc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        addonbypassersetup.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\addonbypassersetup.exe 
        • Size 12.1MB
        • SHA256 810f7298a8138a7671df5b96647a14ee695b316cb6261e4c198080344960124a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        addonbypassersetup.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-EC9E8.tmp\addonbypassersetup.tmp
        • Size 3.4MB
        • SHA256 5537925335def88df15af253a584e303b99bc24821a7e1c5501c34726a618c0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 44a29322374c99152f64741b4a433c67259beaaf4b666f53065c5fe0050ab92c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 42b7d8c0b9c68a3724c50226ea87c0124951a4d321c031d8bb925be1efbb810b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 6254d97fdc641b31d3750ee0cf2b6d92735837feb133fb4d7b9a464b82e81f6b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 4daeed33df4362af1dd0d5302d5fc472be2f58eab90af8ee73a525386b5603ca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/884-17-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/884-54-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2268-2050-0x00007FFFE5AB0000-0x00007FFFE5AD9000-memory.dmp

        memory/2352-1997-0x0000000000540000-0x00000000008AB000-memory.dmp

        memory/2352-57-0x0000000000540000-0x00000000008AB000-memory.dmp

        memory/2352-19-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

        memory/2352-55-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

        memory/2496-52-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3040-8-0x0000000000450000-0x000000000052D000-memory.dmp

        memory/3040-1998-0x0000000000450000-0x000000000052D000-memory.dmp

        memory/3040-56-0x0000000000450000-0x000000000052D000-memory.dmp

        memory/3356-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3356-53-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4316-51-0x0000000000400000-0x000000000041F000-memory.dmp