Analysis

  • max time kernel
    163s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    16-02-2022 22:33

General

  • Target

    f491fb72f106e879021b0bb1149c4678fb380c255d2ef11ac4e0897378793f49.exe

  • Size

    480KB

  • MD5

    bf2e43ff8542e73c1b27291e0df06afd

  • SHA1

    c542becdc2a6dd650c49f9e73adf9e32a998a62f

  • SHA256

    f491fb72f106e879021b0bb1149c4678fb380c255d2ef11ac4e0897378793f49

  • SHA512

    e26bccfd5052a153a87219c98cb4ac4ad3f74017febd4052eba55ac92852a132a33851d65e695de0a578c8d0cb5d1d17da831e75bff378dd2dab341a287dde99

Malware Config

Extracted

Path

C:\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/8802099c541a2d68 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/8802099c541a2d68 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/8802099c541a2d68

https://mazedecrypt.top/8802099c541a2d68

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Modifies extensions of user files 5 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.

  • Drops file in Windows directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f491fb72f106e879021b0bb1149c4678fb380c255d2ef11ac4e0897378793f49.exe
    "C:\Users\Admin\AppData\Local\Temp\f491fb72f106e879021b0bb1149c4678fb380c255d2ef11ac4e0897378793f49.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    PID:4676
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4212
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3556
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4212-136-0x0000011742330000-0x0000011742340000-memory.dmp

    Filesize

    64KB

  • memory/4212-137-0x0000011742390000-0x00000117423A0000-memory.dmp

    Filesize

    64KB

  • memory/4212-138-0x00000117450B0000-0x00000117450B4000-memory.dmp

    Filesize

    16KB

  • memory/4676-130-0x0000000002F00000-0x0000000002F5C000-memory.dmp

    Filesize

    368KB

  • memory/4676-134-0x0000000002D60000-0x0000000002DBB000-memory.dmp

    Filesize

    364KB

  • memory/4676-135-0x0000000002F01000-0x0000000002F38000-memory.dmp

    Filesize

    220KB