Analysis

  • max time kernel
    161s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    16-02-2022 22:57

General

  • Target

    5c9b7224ffd2029b6ce7b82ea40d63b9d4e4f502169bc91de88b4ea577f52353.exe

  • Size

    479KB

  • MD5

    fba4cbb7167176990d5a8d24e9505f71

  • SHA1

    aa6cd2698d4f9a7fa99f5807f4b6695a0bfd0124

  • SHA256

    5c9b7224ffd2029b6ce7b82ea40d63b9d4e4f502169bc91de88b4ea577f52353

  • SHA512

    bac75260a52e7501afb5e87340e68528c10cdc26d516ed5ac6bbc1a5a36162377edf9722eedfd1393b35ed87a77258e89db3c4097d95fadd24df13938f298b94

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/8802099c27d42492 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/8802099c27d42492 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/8802099c27d42492

https://mazedecrypt.top/8802099c27d42492

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 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Windows Defender anti-emulation file check 1 TTPs

    Defender's emulator always creates certain fake files which can be used to detect it.

  • 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 Program Files directory 36 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c9b7224ffd2029b6ce7b82ea40d63b9d4e4f502169bc91de88b4ea577f52353.exe
    "C:\Users\Admin\AppData\Local\Temp\5c9b7224ffd2029b6ce7b82ea40d63b9d4e4f502169bc91de88b4ea577f52353.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\system32\wbem\wmic.exe
      "C:\dh\..\Windows\evlgh\..\system32\vdnvv\lfv\d\..\..\..\wbem\jhjsh\nu\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4408
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:212
  • 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:1888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1364-130-0x0000000001000000-0x000000000105D000-memory.dmp

    Filesize

    372KB

  • memory/1364-133-0x0000000001000000-0x000000000105D000-memory.dmp

    Filesize

    372KB

  • memory/1888-134-0x000001BEEB390000-0x000001BEEB3A0000-memory.dmp

    Filesize

    64KB

  • memory/1888-135-0x000001BEEB920000-0x000001BEEB930000-memory.dmp

    Filesize

    64KB

  • memory/1888-136-0x000001BEEE010000-0x000001BEEE014000-memory.dmp

    Filesize

    16KB