Analysis

  • max time kernel
    112s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v200410
  • submitted
    19-04-2020 05:49

General

  • Target

    91514e6be3f581a77daa79e2a4905dcbdf6bdcc32ee0f713599a94d453a26fc1.exe

  • Size

    484KB

  • MD5

    8205a1106ae91d0b0705992d61e84ab2

  • SHA1

    49cdc85728bf604a50f838f7ae941977852cc7a2

  • SHA256

    91514e6be3f581a77daa79e2a4905dcbdf6bdcc32ee0f713599a94d453a26fc1

  • SHA512

    8fc53dacd6b21ed9e1dc2a00edf154c40699754a116bdaf6566b8341c70ac293c8ba69d69a767af5ad8d0c8737a22dbe2609594983a1200375d40af3f4953b2e

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/86b6096840a51f29 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/86b6096840a51f29 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/86b6096840a51f29

https://mazedecrypt.top/86b6096840a51f29

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Maze

    Ransomware family also known as ChaCha.

  • Drops file in Program Files directory 43 IoCs
  • Drops startup file 4 IoCs
  • Makes http(s) request 30 IoCs

    Contacts server via http/https, possibly for C2 communication.

  • Modifies service 2 TTPs 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91514e6be3f581a77daa79e2a4905dcbdf6bdcc32ee0f713599a94d453a26fc1.exe
    "C:\Users\Admin\AppData\Local\Temp\91514e6be3f581a77daa79e2a4905dcbdf6bdcc32ee0f713599a94d453a26fc1.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Drops file in Program Files directory
    • Drops startup file
    PID:2572
    • C:\Windows\system32\wbem\wmic.exe
      "C:\gwr\..\Windows\l\gtie\..\..\system32\wew\..\wbem\pjr\c\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3308
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Modifies service
    PID:4044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2572-0-0x0000000002A90000-0x0000000002AED000-memory.dmp

    Filesize

    372KB

  • memory/2572-4-0x0000000002A90000-0x0000000002AED000-memory.dmp

    Filesize

    372KB