Resubmissions

27/07/2026, 12:19

260727-pg6pdsstdx8

27/07/2026, 12:08

260727-pbb8laej717

26/07/2026, 23:15

260726-281zfaserc7

Analysis

  • user interaction
    yes
  • max time kernel
    76s
  • max time network
    80s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/07/2026, 23:15

General

  • Target
    CryptoLabCopy.exe
  • Size 12.0MB
  • Sample260726-281zfaserc
  • SHA256 23113047846a21ca79db7ab18c60701b1f820981c18fe55b786d6634e77e8b4d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 2 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CryptoLabCopy.exe
    "C:\Users\Admin\AppData\Local\Temp\CryptoLabCopy.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6032
    • C:\Users\Admin\AppData\Local\Temp\CryptoLabCopy.exe
      "C:\Users\Admin\AppData\Local\Temp\CryptoLabCopy.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
        • Executes a command shell one-liner
        PID:2180
  • C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe
    "C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe" -ServerName:SecHealthUI.AppX8tam42xc7v2czs3s1nt0nkxvfjtepzp9.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2284
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:2364
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {E041C90B-68BA-42C9-991E-477B73A75C90} -Embedding
      1⤵
        PID:2540
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:716
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k WbioSvcGroup -s WbioSrvc
          1⤵
          • Drops file in System32 directory
          • Checks processor information in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:4604
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
          1⤵
            PID:3152
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
            1⤵
            • Modifies data under HKEY_USERS
            PID:3184

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                VCRUNTIME140.dll

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\VCRUNTIME140.dll
                • Size 117KB
                • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
                • MD5 SHA1 SHA512 SSDEEP TLSH

                _bz2.pyd

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\_bz2.pyd
                • Size 85KB
                • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
                • MD5 SHA1 SHA512 SSDEEP TLSH

                _cffi_backend.cp314-win_amd64.pyd

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\_cffi_backend.cp314-win_amd64.pyd
                • Size 177KB
                • SHA256 2011ed3465ee2b732588c443c246f9c857288b8a0c59ea737100d230a5f8e346
                • MD5 SHA1 SHA512 SSDEEP TLSH

                _lzma.pyd

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\_lzma.pyd
                • Size 157KB
                • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
                • MD5 SHA1 SHA512 SSDEEP TLSH

                _zstd.pyd

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\_zstd.pyd
                • Size 491KB
                • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
                • MD5 SHA1 SHA512 SSDEEP TLSH

                base_library.zip

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\base_library.zip
                • Size 1.3MB
                • SHA256 01ea32a10e05fcadeb944c20af79d9048c32e01e4e8198e0ef948a4a32f08428
                • MD5 SHA1 SHA512 SSDEEP TLSH

                _rust.pyd

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\cryptography\hazmat\bindings\_rust.pyd
                • Size 9.4MB
                • SHA256 813b101f70efb79c388239ce82ac891e195a1e19eeaeb43c32d9bf425e7b51b8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                python3.DLL

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\python3.DLL
                • Size 72KB
                • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
                • MD5 SHA1 SHA512 SSDEEP TLSH

                python314.dll

                • Path C:\Users\Admin\AppData\Local\Temp\_MEI60322\python314.dll
                • Size 6.5MB
                • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
                • MD5 SHA1 SHA512 SSDEEP TLSH