Analysis

  • user interaction
    yes
  • max time kernel
    68s
  • max time network
    77s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 08:39

General

  • Target
    Fre3ze.exe
  • Size 72.3MB
  • Sample260905-kkpg3ahm4t
  • SHA256 522884a75db168f23b95de72c43e3fb24cd0388e2eb5738a82b467e13aacfd7f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 2 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.

  • Loads dropped DLL 60 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 15 IoCs

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

  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Discovers running processes 1 TTPs 2 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Executes a command shell one-liner 1 TTPs 10 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Detects videocard installed 1 TTPs 2 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
    "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
      "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe"
      2⤵
      • Creates a file in the Startup directory
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5924
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic bios get manufacturer /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2092
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic bios get manufacturer /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1056
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist /NH"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2348
        • C:\Windows\system32\tasklist.exe
          tasklist /NH
          4⤵
          • Discovers running processes
          • Suspicious use of AdjustPrivilegeToken
          PID:3136
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /create /tn "WindowsUpdateService" /tr "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe" /sc onstart /delay 0000:30 /rl highest /f"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "WindowsUpdateService" /tr "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe" /sc onstart /delay 0000:30 /rl highest /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4568
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic cpu get name /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5956
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic cpu get name /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5780
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic path win32_VideoController get name /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:756
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic path win32_VideoController get name /format:csv
          4⤵
          • Detects videocard installed
          • Suspicious behavior: EnumeratesProcesses
          PID:2540
  • C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
    C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
      C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe
      2⤵
      • Creates a file in the Startup directory
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5384
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic bios get manufacturer /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic bios get manufacturer /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4280
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist /NH"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Windows\system32\tasklist.exe
          tasklist /NH
          4⤵
          • Discovers running processes
          PID:1512
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /create /tn "WindowsUpdateService" /tr "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe" /sc onstart /delay 0000:30 /rl highest /f"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4808
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "WindowsUpdateService" /tr "C:\Users\Admin\AppData\Local\Temp\Fre3ze.exe" /sc onstart /delay 0000:30 /rl highest /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3016
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic cpu get name /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1920
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic cpu get name /format:csv
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5244
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic path win32_VideoController get name /format:csv"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:6132
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic path win32_VideoController get name /format:csv
          4⤵
          • Detects videocard installed
          • Suspicious behavior: EnumeratesProcesses
          PID:2864

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_bz2.pyd
        • Size 85KB
        • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_ctypes.pyd
        • Size 139KB
        • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_hashlib.pyd
        • Size 67KB
        • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_lzma.pyd
        • Size 157KB
        • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_queue.pyd
        • Size 35KB
        • SHA256 cb529f77bc4665dfa3b66fae3d00ab84de1e9618d0cb94900efbf28527623c0f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_socket.pyd
        • Size 85KB
        • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_sqlite3.pyd
        • Size 129KB
        • SHA256 c6d7bcea0084bcfa3c487bd7040350ee7c77f4108ce74b964f760133b2a7a6b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_ssl.pyd
        • Size 180KB
        • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_uuid.pyd
        • Size 27KB
        • SHA256 fc7406772b43caa3b6f41c690753792188b1c14c36a723d49e9276b7457696ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_wmi.pyd
        • Size 39KB
        • SHA256 5a7f3444f1c2f85fb5573bc330c1aea2c583912bb6f948ff81f8fd89a30e67be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\_zstd.pyd
        • Size 491KB
        • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\base_library.zip
        • Size 1.3MB
        • SHA256 28c7aafe64ffcf54bac0a179f1b7a5c61ef2c4ce832c9b827ea9f462a1705faa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\libssl-3.dll
        • Size 776KB
        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\python3.DLL
        • Size 72KB
        • SHA256 be1017ca4ca8ff837efbb343d5c8f739bd67bd1c43fb41068a539b19357c0213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\python314.dll
        • Size 6.4MB
        • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\sqlite3.dll
        • Size 1.5MB
        • SHA256 bf85c9ae8a9eda75ce45dee2d325aabc4426557c5223b38cb4271f860cc808c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12002\ucrtbase.dll
        • Size 1.3MB
        • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5384-442-0x00007FFD64BA0000-0x00007FFD65F21000-memory.dmp

        memory/5384-443-0x00007FFD481D0000-0x00007FFD4B50D000-memory.dmp

        memory/5924-440-0x00007FFD66CB0000-0x00007FFD68031000-memory.dmp

        memory/5924-441-0x00007FFD50820000-0x00007FFD53B5D000-memory.dmp