Analysis

  • max time kernel
    88s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2023 14:12

General

  • Target

    Maze.exe

  • Size

    736KB

  • MD5

    21a563f958b73d453ad91e251b11855c

  • SHA1

    64ed4f6b315448d518ed003a1d0c7e56790ef50d

  • SHA256

    067f1b8f1e0b2bfe286f5169e17834e8cf7f4266b8d97f28ea78995dc81b0e7b

  • SHA512

    3eaef227db10759c65d668317322e71cd60e60427afd4d4f5f627e9b7a9d4e6d3287b7bf32df3fa7ba2f7062ec41393a100a477668b7f4dca76c2b8932c1b9eb

  • SSDEEP

    12288:VIeWyYCERmabd3LPwPqnk7HLhccQ5VSdQpRSZN9dSz6:VIeHERmabdbPwP4k71cXrEEwH9dSz6

Malware Config

Extracted

Path

C:\odt\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- All your files, documents, photos, databases, and other important data are safely encrypted with reliable algorithms. You cannot access the files right now. But do not worry. You have a chance! It is easy to recover in a few steps. ---------------------------- | How to get my files back? ---------------------------- The only method to restore your files is to purchase a unique for you private key which is securely stored on our servers. To contact us and purchase the key you have to visit our website in a hidden TOR network. There are general 2 ways to reach us: 1) [Recommended] Using hidden TOR network. a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR Browser. c) Open the TOR Browser. d) Open our website in the TOR browser: http://aoacugmutagkwctu.onion/897e09afca93b1b e) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://mazedecrypt.top/897e09afca93b1b b) Follow the instructions on this page. Warning: the second (2) method can be blocked in some countries. That is why the first (1) method is recommended to use. On this page, you will see instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ---------------------------- | What about guarantees? ---------------------------- We understand your stress and worry. So you have a FREE opportunity to test a service by instantly decrypting for free three files on your computer! If you have any problems our friendly support team is always here to assist you in a live chat! ------------------------------------------------------------------------------- THIS IS A SPECIAL BLOCK WITH A PERSONAL AND CONFIDENTIAL INFORMATION! DO NOT TOUCH IT WE NEED IT TO IDENTIFY AND AUTHORIZE YOU ---BEGIN MAZE KEY--- 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 ---END MAZE KEY---
URLs

http://aoacugmutagkwctu.onion/897e09afca93b1b

https://mazedecrypt.top/897e09afca93b1b

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Maze.exe
    "C:\Users\Admin\AppData\Local\Temp\Maze.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:232
    • C:\Windows\system32\wbem\wmic.exe
      "C:\pw\fs\..\..\Windows\cemi\eis\dqt\..\..\..\system32\vthd\..\wbem\hwwx\sx\uh\..\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4872
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4464
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4448
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 444 -p 5040 -ip 5040
      1⤵
        PID:3920
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 5040 -s 1792
        1⤵
        • Program crash
        PID:1196
      • C:\Users\Admin\AppData\Local\Temp\Maze.exe
        "C:\Users\Admin\AppData\Local\Temp\Maze.exe"
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1952
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x508 0x3cc
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4068
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\DECRYPT-FILES.txt
        1⤵
          PID:2284

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_678C68874BBB44028B8FA15A464A04BE.dat

          Filesize

          940B

          MD5

          3751b4ab7d53f97cc02d20e353c9089c

          SHA1

          eb601432637c4c4aec035e423b4d30fdce7f8a1a

          SHA256

          6f7f21d4ec5ff3cc7858285f990de27905a7eb9a64330b0cbd4043c66cbd73c7

          SHA512

          f8a41ec61d7964a360424c333b6171aa09e413e99c2349689abfc3430a32b4d1e6b05d99b836ec73b386a0b37701465a4300c74d78eb78998a51ae9c1c5f7119

        • C:\Users\Public\Desktop\DECRYPT-FILES.txt

          Filesize

          8KB

          MD5

          82836433b178f89ff6aa4c92bc6e4360

          SHA1

          5ac332999950c5199a097eee342e681188041672

          SHA256

          2929c32cff3c3801f49ce84076b83900c99eb897a7915a3c906727fb5aacb1d1

          SHA512

          0ee0a24c11f25fd5cecd6b86587f10ccb7ed7c48cbf698a642ccc49d19dd38da8f86fbea8e548e8237be31b75443241368b386bd977da5b5637407b7f6fbfc7b

        • C:\odt\DECRYPT-FILES.txt

          Filesize

          8KB

          MD5

          82836433b178f89ff6aa4c92bc6e4360

          SHA1

          5ac332999950c5199a097eee342e681188041672

          SHA256

          2929c32cff3c3801f49ce84076b83900c99eb897a7915a3c906727fb5aacb1d1

          SHA512

          0ee0a24c11f25fd5cecd6b86587f10ccb7ed7c48cbf698a642ccc49d19dd38da8f86fbea8e548e8237be31b75443241368b386bd977da5b5637407b7f6fbfc7b

        • memory/232-148-0x0000000000770000-0x0000000000811000-memory.dmp

          Filesize

          644KB

        • memory/232-133-0x0000000000770000-0x0000000000811000-memory.dmp

          Filesize

          644KB

        • memory/232-962-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/232-240-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/232-147-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1952-964-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1952-963-0x0000000002170000-0x0000000002211000-memory.dmp

          Filesize

          644KB

        • memory/1952-961-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1952-956-0x0000000002170000-0x0000000002211000-memory.dmp

          Filesize

          644KB

        • memory/4872-140-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-146-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-145-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-144-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-143-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-142-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-141-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-136-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-135-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB

        • memory/4872-134-0x000001B376F10000-0x000001B376F11000-memory.dmp

          Filesize

          4KB