Analysis

  • max time kernel
    141s
  • max time network
    190s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-07-2021 12:58

General

  • Target

    2a6c602769ac15bd837f9ff390acc443d023ee62f76e1be8236dd2dd957eef3d.sample.exe

  • Size

    364KB

  • MD5

    b93616a1ea4f4a131cc0507e6c789f94

  • SHA1

    0b97455143e682e818fc4a9b615f57349dc84894

  • SHA256

    2a6c602769ac15bd837f9ff390acc443d023ee62f76e1be8236dd2dd957eef3d

  • SHA512

    e6b8e4009ee946514c0a177838b1094b70fe84d8e4511e8ab9bca4180b0bf4cc5bf2ef563fb7efabd6cc91d758ed2e910f501081a72aaa9581d17ece780b70ad

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- We hacked your network and now 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 can get it back! It is easy to recover in a few steps. We have also downloaded a lot of private data from your network, so in case of not contacting us as soon as possible this data will be released. If you do not contact us in a 3 days we will post information about your breach on our public news website and after 7 days the whole downloaded info. To see what happens to those who don't contact us, google: * Southwire Maze Ransomware * MDLab Maze Ransomware * City of Pensacola Maze Ransomware After the payment the data will be removed from our disks and decryptor will be given to you, so you can restore all your files. ---------------------------- | How to contact us and get my files back? ---------------------------- The only method to restore your files and be safe from data leakage 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/6d050cd0bf5a78ff 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/6d050cd0bf5a78ff 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 from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat! P.S. Dear system administrators, do not think you can handle it by yourself. Inform leadership as soon as possible. By hiding the fact of the breach you will be eventually fired and sometimes even sued. ------------------------------------------------------------------------------- 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/6d050cd0bf5a78ff

https://mazedecrypt.top/6d050cd0bf5a78ff

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 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 2 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 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a6c602769ac15bd837f9ff390acc443d023ee62f76e1be8236dd2dd957eef3d.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\2a6c602769ac15bd837f9ff390acc443d023ee62f76e1be8236dd2dd957eef3d.sample.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:1708
    • C:\Windows\system32\wbem\wmic.exe
      "C:\st\..\Windows\abmhw\rgmg\gf\..\..\..\system32\vmjm\jffcu\..\..\wbem\ga\q\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1652
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1132
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
      PID:704
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x590
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:824

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1652-62-0x0000000000000000-mapping.dmp

    • memory/1708-60-0x00000000762C1000-0x00000000762C3000-memory.dmp

      Filesize

      8KB

    • memory/1708-61-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB