Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 03:39

General

  • Target
    stealer_ultimate.exe
  • Size 19.0MB
  • Sample260623-d7mtesh13p
  • SHA256 9c000a11c66177baeb9d56761c6f5e0d0049c2bea896650145e0c6b15fdd1157
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 54 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 4 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
    "C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5224
    • C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
      "C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "netsh wlan show profiles"
        3⤵
        • System Network Configuration Discovery: Wi-Fi Discovery
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:5032
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic product get name"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic product get name
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2492
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2144
        • C:\Windows\system32\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4480
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "start /b "" C:\Users\Admin\AppData\Local\Temp\del.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\del.bat
          4⤵
            PID:6712
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1252
    • C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
      C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:6948
      • C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
        C:\Users\Admin\AppData\Local\Temp\stealer_ultimate.exe
        2⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:7116
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "netsh wlan show profiles"
          3⤵
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\System32\netsh.exe
            netsh wlan show profiles
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:4060
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "wmic product get name"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:360
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic product get name
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:6568
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "tasklist"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4936
          • C:\Windows\System32\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            PID:5292
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "start /b "" C:\Users\Admin\AppData\Local\Temp\del.bat"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4584
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\del.bat
            4⤵
            • Drops file in System32 directory
            PID:944

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
          • Size 211KB
          • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _imaging.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\PIL\_imaging.cp314-win_amd64.pyd
          • Size 2.5MB
          • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _imagingmath.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\PIL\_imagingmath.cp314-win_amd64.pyd
          • Size 25KB
          • SHA256 a1c024d3e0e75802e3249a1a33335809b6cf032749ed2c4507d622d6610e36f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_bz2.pyd
          • Size 85KB
          • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_ctypes.pyd
          • Size 139KB
          • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_hashlib.pyd
          • Size 67KB
          • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_lzma.pyd
          • Size 157KB
          • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _queue.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_queue.pyd
          • Size 35KB
          • SHA256 bb53357b4e91ac23ed4061f15ff3e5e91a5b3be1cbb0c6cf294521ae5b4efa1c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_socket.pyd
          • Size 85KB
          • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _sqlite3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_sqlite3.pyd
          • Size 129KB
          • SHA256 b0c4edff6d60f300373ec929ab915f95ee601bf167e04d28e4e9e28a8e536fe0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_ssl.pyd
          • Size 186KB
          • SHA256 5c07572df2913618cfb851b608cb5f74d740fcce5c3f2e63dc0a2ba39ab35dad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _wmi.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_wmi.pyd
          • Size 39KB
          • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _zstd.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\_zstd.pyd
          • Size 491KB
          • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\base_library.zip
          • Size 1.3MB
          • SHA256 6f70060bc60a184de27b8da21da482880da5e12b7ae965908d950b6ed9dc964f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cacert.pem

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\certifi\cacert.pem
          • Size 228KB
          • SHA256 bbc7e9c01d7551bb8a159b5dedd989b8ee3ce105aff522b68eb1b01bf854cab0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cd.cp314-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\charset_normalizer\cd.cp314-win_amd64.pyd
          • Size 10KB
          • SHA256 da3ce780d6d58ae8c6920b99f806f64d58a1b33f4a01382861b01b50549199f8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\libcrypto-3.dll
          • Size 6.0MB
          • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\libssl-3.dll
          • Size 1.3MB
          • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\python3.DLL
          • Size 72KB
          • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\python314.dll
          • Size 6.5MB
          • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pywintypes314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\pywin32_system32\pywintypes314.dll
          • Size 133KB
          • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\select.pyd
          • Size 32KB
          • SHA256 fab1b4cee101359d82d72061b83cff1855337b3677b9fe01cd69f7548f4c496e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Lorem ipsum.txt

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
          • Size 1KB
          • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
          • MD5 SHA1 SHA512 TLSH

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\sqlite3.dll
          • Size 1.5MB
          • SHA256 2940bee51c4a00c7e8f2a8a1be857d4c4ad23b2657fbf7fdf18e3a3fd20066c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\unicodedata.pyd
          • Size 741KB
          • SHA256 0d4f124b2d6622d276d777f7106972219f9b310edb5df8149c253da7c013d6d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32crypt.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI52242\win32\win32crypt.pyd
          • Size 123KB
          • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
          • MD5 SHA1 SHA512 SSDEEP TLSH