Analysis

  • max time kernel
    177s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    16-02-2022 23:06

General

  • Target

    30b72e83d66cbe9e724c8e2b21179aecd4bcf68b2ec7895616807df380afab54.exe

  • Size

    463KB

  • MD5

    79d137d91be9819930eeb3876e4fbe79

  • SHA1

    ac8ac79b8de3920f604d4d2a92a5adff3d2c8471

  • SHA256

    30b72e83d66cbe9e724c8e2b21179aecd4bcf68b2ec7895616807df380afab54

  • SHA512

    21480c5dacea52a6d9a6315914c170b3c5d44f20c6362b990d31f4bf5d599e8a28261fc6797fbf60256e2a17fa7a913f670cd8d3deb9b8a7b5bb6f746e6c9727

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/875c0983ab7e879a 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/875c0983ab7e879a 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/875c0983ab7e879a

https://mazedecrypt.top/875c0983ab7e879a

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • 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 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30b72e83d66cbe9e724c8e2b21179aecd4bcf68b2ec7895616807df380afab54.exe
    "C:\Users\Admin\AppData\Local\Temp\30b72e83d66cbe9e724c8e2b21179aecd4bcf68b2ec7895616807df380afab54.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    PID:2600
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4048
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2976
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3892
  • 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:3292

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2600-130-0x0000000002B80000-0x0000000002BDA000-memory.dmp
    Filesize

    360KB

  • memory/2600-131-0x0000000002D20000-0x0000000002D7C000-memory.dmp
    Filesize

    368KB

  • memory/2600-135-0x0000000002D21000-0x0000000002D58000-memory.dmp
    Filesize

    220KB