Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 00:44

General

  • Target
    ItsukiSimulator.exe
  • Size 16.2MB
  • Sample260822-a3rd9sel3x
  • SHA256 c0a9a41697abdf4a774ae531993981ec0052daa3329441d86f6004ee57e95214
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 24 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ItsukiSimulator.exe
    "C:\Users\Admin\AppData\Local\Temp\ItsukiSimulator.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\ItsukiSimulator.exe
      "C:\Users\Admin\AppData\Local\Temp\ItsukiSimulator.exe"
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      PID:6100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _raw_aes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\Crypto\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aesni.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\Crypto\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cpuid_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_bz2.pyd
        • Size 85KB
        • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_ctypes.pyd
        • Size 139KB
        • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_hashlib.pyd
        • Size 67KB
        • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_lzma.pyd
        • Size 157KB
        • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_queue.pyd
        • Size 35KB
        • SHA256 cb529f77bc4665dfa3b66fae3d00ab84de1e9618d0cb94900efbf28527623c0f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_socket.pyd
        • Size 85KB
        • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_ssl.pyd
        • Size 180KB
        • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        auto.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\auto.tcl
        • Size 21KB
        • SHA256 08113823951619d659eb03a1f6acd2f9500e1264795219125a5df7b83cabcb99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cp1252.enc

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\encoding\cp1252.enc
        • Size 1KB
        • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
        • MD5 SHA1 SHA512 TLSH

        pkgIndex.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\http1.0\pkgIndex.tcl
        • Size 746B
        • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
        • MD5 SHA1 SHA512 TLSH

        init.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\init.tcl
        • Size 25KB
        • SHA256 acacce15658dd7ce8f69b1e3d3a94770a22972a8e906eb3b61cd06f0ecd5db59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pkgIndex.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\opt0.4\pkgIndex.tcl
        • Size 636B
        • SHA256 68accee3eb8d0f134f9472c95425190ec08e7793df20a58d7d35325f42804695
        • MD5 SHA1 SHA512 TLSH

        package.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\package.tcl
        • Size 23KB
        • SHA256 b471cec9056b62d562020b14d69d4bd1f92dfe158afc8ba81c6341836211ca46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tclIndex

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\tclIndex
        • Size 7KB
        • SHA256 577f042bbe640e2739606a1f76098abdb8bd1d1f31526402fb82b21091644f65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tm.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tcl_data\tm.tcl
        • Size 11KB
        • SHA256 f0cc13daca21fee538cca757aa09e88a969a85174eda26e61e573dda6c7ba413
        • MD5 SHA1 SHA512 SSDEEP TLSH

        button.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\button.tcl
        • Size 21KB
        • SHA256 1f5dd8d81b26f16e772e92fd2a22accb785004d0ed3447e54f87005d9c6a07a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        entry.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\entry.tcl
        • Size 18KB
        • SHA256 6ac78f764434f932d37e8183aa6db5d04eb1848b774c92f7abc243ecb7d4a59b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icons.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\icons.tcl
        • Size 10KB
        • SHA256 1264940e62b9a37967925418e9d0dc0befd369e8c181b9bab3d1607e3cc14b85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        listbox.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\listbox.tcl
        • Size 14KB
        • SHA256 47c75f9f8348bf8f2c086c57b97b73741218100ca38d10b8abdf2051c95b9801
        • MD5 SHA1 SHA512 SSDEEP TLSH

        menu.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\menu.tcl
        • Size 39KB
        • SHA256 ae4ee8400174c798337b9c60867cbc94f811b249ebe6dea21ec6f960bcf5f8cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pkgIndex.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\pkgIndex.tcl
        • Size 376B
        • SHA256 6127926b94db2992ab450fc6cc2ec3d071f7bbc856656d0ae20cc3fd4036f547
        • MD5 SHA1 SHA512 TLSH

        tk.tcl

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tk_data\tk.tcl
        • Size 23KB
        • SHA256 b7fd24177b17f67da2ca671f711309c65cf246be1fd0cf4f1ab8f3ea9ca2c3f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _tkinter.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_tkinter.pyd
        • Size 67KB
        • SHA256 b2e1dbe2079b52535b60dbb72ee54ff0da145324afcdb6a7c915c61b8006758b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_wmi.pyd
        • Size 39KB
        • SHA256 5a7f3444f1c2f85fb5573bc330c1aea2c583912bb6f948ff81f8fd89a30e67be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\_zstd.pyd
        • Size 491KB
        • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\base_library.zip
        • Size 1.3MB
        • SHA256 0ad7b0d7c0674a7f54ff779cc9e5c9db0eebaa754b6b7ee4c75696fa826c8361
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\libssl-3.dll
        • Size 776KB
        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\python314.dll
        • Size 6.4MB
        • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        tcl86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\tcl86t.dll
        • Size 1.8MB
        • SHA256 4b79f9cfa40821eed283ee44519420607fdd669db185e4d1872910414f5ea775
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msgcat-1.6.1.tm

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\tcl8\8.5\msgcat-1.6.1.tm
        • Size 34KB
        • SHA256 adca186be560f2236265f538d4cb6df1171bed91192118796988bb9c08a4bc7c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tk86t.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\tk86t.dll
        • Size 1.5MB
        • SHA256 e66f19c10278844fed1e01b4b23a996626843ee764f0418297edfaa12ff543b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\ucrtbase.dll
        • Size 1.3MB
        • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zlib1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI15642\zlib1.dll
        • Size 144KB
        • SHA256 17e85535ff06251fe7e4e454eac519a617ffda70fbaa407733ec8de314f66a46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/6100-2557-0x00007FFA511E0000-0x00007FFA51209000-memory.dmp