Overview

overview

7

Static

static

3

CoreSync.exe

windows10-2004-x64

7

CoreSync.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 19:55

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General

  • Target
    CoreSync.exe
  • Size 45.7MB
  • Sample260729-ym4awstyav
  • SHA256 33938ebe42675413d5b47ee04c64b87eb36102b51f947481e1e686cf2ca62d2b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecutionpersistenceprivilege_escalationpyarmorpyinstaller

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 57 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
    discovery
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
    execution
  • Detects Pyarmor 1 IoCs
    pyarmor
  • Detects Pyinstaller 1 IoCs
    pyinstaller
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CoreSync.exe
    "C:\Users\Admin\AppData\Local\Temp\CoreSync.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Users\Admin\AppData\Local\Temp\CoreSync.exe
      "C:\Users\Admin\AppData\Local\Temp\CoreSync.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of WriteProcessMemory
      PID:1000
      • C:\Windows\SYSTEM32\cscript.exe
        cscript //nologo C:\Users\Admin\AppData\Local\Temp\tmp_shortcut.vbs
        3⤵
        • Creates a file in the Startup directory
        • Executes a VBScript file via the Windows Script Host.
        PID:4584
      • C:\Windows\SYSTEM32\tasklist.exe
        tasklist /fi "imagename eq WindowsProcessor.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:5960
      • C:\Users\Admin\AppData\Local\WindowsConsole\WindowsProcessor.exe
        C:\Users\Admin\AppData\Local\WindowsConsole\WindowsProcessor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5676
        • C:\Users\Admin\AppData\Local\WindowsConsole\WindowsProcessor.exe
          C:\Users\Admin\AppData\Local\WindowsConsole\WindowsProcessor.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1172

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MSVCP140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\MSVCP140_1.dll
        • Size 26KB
        • SHA256 b2113956aa3fcb9decfe65be1ee7829f8e3ae0899633ae89fe04888ada201594
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140_2.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\MSVCP140_2.dll
        • Size 265KB
        • SHA256 1b806b427ffb573deff8478cf6fe336465fe2c67e0919bb95f452b6f31d25736
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Core.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\Qt6Core.dll
        • Size 10.0MB
        • SHA256 65fe6224b6c47a15b058738031d31dce9928c4d7a58e1b8db6434f6f5cddd702
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Gui.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\Qt6Gui.dll
        • Size 9.1MB
        • SHA256 cd071161ad325ff2de92b0e33d71334ef20712544796949623ce92dfb3957e90
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Qt6Widgets.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\Qt6Widgets.dll
        • Size 6.3MB
        • SHA256 5a9f37dedd3dc5bcc1a4bb8ea919c49fc62df751a1450accc34379eb6710eab6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtCore.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\QtCore.pyd
        • Size 3.2MB
        • SHA256 be52341a5df1f76ecca2fb1e94eb429dfa46f0b659ed6536f25119b565b21ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtGui.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\QtGui.pyd
        • Size 3.7MB
        • SHA256 f0549716b10a8b4fbd5c6c041f36af215223809f919f4c4722d44cc199d5c593
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        QtWidgets.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\QtWidgets.pyd
        • Size 4.6MB
        • SHA256 85cb6c2181b4b09887a7d8507dd950844d1b8f74a9c4002c7b71169f75bf6fda
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qdirect2d.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\plugins\platforms\qdirect2d.dll
        • Size 1.0MB
        • SHA256 f099af483b0d71a6a028bc15ad98a407e4c820400e6626cdc8e66b5f5e4cfed2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qminimal.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\plugins\platforms\qminimal.dll
        • Size 60KB
        • SHA256 97d81b9ee7cbbeb68e46eefce24d4b929b7a24cc646cebe3d4d03e2734f97935
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qoffscreen.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\plugins\platforms\qoffscreen.dll
        • Size 111KB
        • SHA256 426266e8ba0ea07c416616ad9973702fe126d4559cb2ee11e1c9bdbae85ba755
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        qwindows.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\plugins\platforms\qwindows.dll
        • Size 983KB
        • SHA256 54d736de022f707e9f7f555e4c9f9e993253cd5b0ee2364e6a9458c180828c42
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pyside6.abi3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\PySide6\pyside6.abi3.dll
        • Size 242KB
        • SHA256 d4072be872b31f3748de5e6c28cb2976dafbf063d3ccfa38e5dabda29babcdaf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_hashlib.pyd
        • Size 67KB
        • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_socket.pyd
        • Size 85KB
        • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_ssl.pyd
        • Size 186KB
        • SHA256 5c07572df2913618cfb851b608cb5f74d740fcce5c3f2e63dc0a2ba39ab35dad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\base_library.zip
        • Size 1.3MB
        • SHA256 ac8b87fd063920e94f3d12c3230ffadbf3f42f39a7fb64056e1953a17eec2128
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\python3.dll
        • Size 72KB
        • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\shiboken6\MSVCP140.dll
        • Size 536KB
        • SHA256 005f2324c7ff79bbe9a44992b0708abb4c871bd24bcc7a34aca5eab4439c1f4a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Shiboken.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\shiboken6\Shiboken.pyd
        • Size 32KB
        • SHA256 0e2c5318c5ac60a016a12230bbb1f6a9d990c45cbf4a7c4af24aefb5ab7dc40a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\shiboken6\VCRUNTIME140_1.dll
        • Size 40KB
        • SHA256 e4d7ea5f4f4ff6d0c208e693853617cdef0ad71cfe5dd5c3ae16c8a6b64c18ea
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        shiboken6.abi3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\shiboken6\shiboken6.abi3.dll
        • Size 375KB
        • SHA256 47f4f9b44c95037565dd14f4be04f350f20c53c05483b750e0be867c39a7441e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13322\unicodedata.pyd
        • Size 741KB
        • SHA256 0d4f124b2d6622d276d777f7106972219f9b310edb5df8149c253da7c013d6d8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tmp_shortcut.vbs
        • Path C:\Users\Admin\AppData\Local\Temp\tmp_shortcut.vbs
        • Size 494B
        • SHA256 834429477cc99b8368c5cba957926c4950c8b2120d2617457ce116c3a4e00fdd
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        WindowsProcessor.exe
        • Path C:\Users\Admin\AppData\Local\WindowsConsole\WindowsProcessor.exe
        • Size 13.3MB
        • SHA256 35292ee502975d0c06782fac0ec9a27a7cebcf6eaaee42b7dcbb2b45d0cf43fc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1000-257-0x00007FFCCB940000-0x00007FFCCBDF9000-memory.dmp
        Download

        memory/1000-260-0x00007FFCC9520000-0x00007FFCC98DB000-memory.dmp
        Download

        memory/1000-234-0x00007FFCCBE00000-0x00007FFCCC133000-memory.dmp
        Download

        memory/1000-253-0x00007FFCCA220000-0x00007FFCCA86D000-memory.dmp
        Download

        memory/1172-354-0x0000000063300000-0x00000000633AB000-memory.dmp
        Download