Resubmissions

27/11/2024, 13:29

241127-qrb37svpcv10

27/11/2024, 09:27

241127-le54astrfj10

Analysis

  • max time kernel
    1186s
  • max time network
    848s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2024, 09:27

General

  • Target
    58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe
  • Size 506KB
  • Sample241127-le54astrfj
  • SHA256 58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\DECRYPT-FILES.txt

  • 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/8784098798132a3a 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/8784098798132a3a 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/8784098798132a3a

  • https://mazedecrypt.top/8784098798132a3a

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Maze family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 3 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 20 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of WriteProcessMemory 4 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\58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe
    "C:\Users\Admin\AppData\Local\Temp\58fe9776f33628fd965d1bcc442ec8dc5bfae0c648dcaec400f6090633484806.exe"
    1⤵
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\system32\wbem\wmic.exe
      "C:\l\lh\..\..\Windows\mxj\ksb\xtxln\..\..\..\system32\e\v\..\..\wbem\eyis\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1476
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2832
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2284
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2840
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4f4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:644
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2852
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x538
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1820
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1628
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2e8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        SP_021AA329F7294E139C7AF5A69116F5A6.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_021AA329F7294E139C7AF5A69116F5A6.dat
        • Size 940B
        • SHA256 6cfa066c254883b3417d188ab0908353325bf56aac8b39d6d86d658c54337548
        • MD5 SHA1 SHA512

        DECRYPT-FILES.txt

        • Path C:\Users\DECRYPT-FILES.txt
        • Size 9KB
        • SHA256 42f4b741338490a10c5a26c76017fc294131a177470ebe6621b62ddbe43e5213
        • MD5 SHA1 SHA512 SSDEEP

        memory/2244-0-0x0000000000480000-0x00000000004DB000-memory.dmp

        memory/2244-1-0x0000000000820000-0x000000000087C000-memory.dmp

        memory/2244-7-0x0000000000820000-0x000000000087C000-memory.dmp

        memory/2244-10-0x0000000000820000-0x000000000087C000-memory.dmp

        memory/2244-14-0x0000000000820000-0x000000000087C000-memory.dmp

        memory/2244-792-0x0000000000820000-0x000000000087C000-memory.dmp