Analysis

  • max time kernel
    165s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    16-02-2022 23:00

General

  • Target

    4feb2e00c0dc0c42f42fd2c93f48e350c37386768e7774f82cdc98c8bc8dbc69.exe

  • Size

    354KB

  • MD5

    09e61348c89279d1f31159cc152a33ac

  • SHA1

    1fc77fba10690bf81fa0b25ff1d74b23ff092d7e

  • SHA256

    4feb2e00c0dc0c42f42fd2c93f48e350c37386768e7774f82cdc98c8bc8dbc69

  • SHA512

    fdcdf8a50118f8cf2f379d755bdfc5c1c9c3ffa3fc333fc98ad9b24f4894763dfdb82c33e7edf6849b8c50c7b403f2a5ce64dd0935724c7cf9b973761ff237c7

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/88380999473507da 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/88380999473507da 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/88380999473507da

https://mazedecrypt.top/88380999473507da

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 6 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4feb2e00c0dc0c42f42fd2c93f48e350c37386768e7774f82cdc98c8bc8dbc69.exe
    "C:\Users\Admin\AppData\Local\Temp\4feb2e00c0dc0c42f42fd2c93f48e350c37386768e7774f82cdc98c8bc8dbc69.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\system32\wbem\wmic.exe
      "C:\mjwv\yifx\..\..\Windows\u\ccto\..\..\system32\rawsv\..\wbem\sdlf\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1480

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/1128-55-0x0000000075421000-0x0000000075423000-memory.dmp
    Filesize

    8KB