Analysis

  • max time kernel
    147s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    14-07-2020 16:01

General

  • Target

    pawufefu.msi

  • Size

    496KB

  • MD5

    af64b568501ce3d7e43ace3dca1183e2

  • SHA1

    88d52d7ebe72415d1ee1ff16ffe8afda0b052df0

  • SHA256

    bff478766c3a3962228a15fcaae1fbf8c31ec337a83496c4670cd3e704ead735

  • SHA512

    b949b3cb7c80c38c38493b20c8e96e40343f79e265a5a1f73ecc9f1f34966e13079dcfc7b554ef67de5ab4e00f45b1dda5802f90084f5a64de8431d2d8f0943d

Malware Config

Extracted

Path

C:\DECRYPT-FILES.txt

Family

maze

Ransom Note
Attention! ---------------------------- | What happened? ---------------------------- We hacked your network and now 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 can get it back! It is easy to recover in a few steps. We have also downloaded a lot of private data from your network, so in case of not contacting us as soon as possible this data will be released. If you do not contact us in a 3 days we will post information about your breach on our public news website and after 7 days the whole downloaded info. To see what happens to those who don't contact us, google: * Southwire Maze Ransomware * MDLab Maze Ransomware * City of Pensacola Maze Ransomware After the payment the data will be removed from our disks and decryptor will be given to you, so you can restore all your files. ---------------------------- | How to contact us and get my files back? ---------------------------- The only method to restore your files and be safe from data leakage 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/6ba70cb84a895bc6 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/6ba70cb84a895bc6 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 from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat! P.S. Dear system administrators, do not think you can handle it by yourself. Inform leadership as soon as possible. By hiding the fact of the breach you will be eventually fired and sometimes even sued. ------------------------------------------------------------------------------- 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/6ba70cb84a895bc6

https://mazedecrypt.top/6ba70cb84a895bc6

Signatures

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Modifies service 2 TTPs 147 IoCs
  • Drops file in Windows directory 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Drops startup file 4 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • 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
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Maze

    Ransomware family also known as ChaCha.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 44 IoCs
  • Enumerates connected drives 3 TTPs
  • Suspicious use of AdjustPrivilegeToken 97 IoCs
  • Checks for installed software on the system 1 TTPs 82 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\pawufefu.msi
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:904
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Modifies service
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Checks for installed software on the system
    PID:1416
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 15036E46850F1781B7A632B2A8575AC1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Drops startup file
      • Drops file in Program Files directory
      • Loads dropped DLL
      • Sets desktop wallpaper using registry
      PID:1596
      • C:\Windows\system32\wbem\wmic.exe
        "C:\f\apkoa\aapk\..\..\..\Windows\erl\..\system32\ttpf\..\wbem\moor\..\wmic.exe" shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1044
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:740
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot12" "" "" "6d110b0a3" "0000000000000000" "00000000000005A0" "0000000000000574"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1736
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
      PID:1640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/904-0-0x0000000003360000-0x0000000003364000-memory.dmp

      Filesize

      16KB

    • memory/904-1-0x0000000004250000-0x0000000004254000-memory.dmp

      Filesize

      16KB

    • memory/1416-14-0x0000000001230000-0x0000000001234000-memory.dmp

      Filesize

      16KB

    • memory/1416-12-0x0000000004660000-0x0000000004664000-memory.dmp

      Filesize

      16KB

    • memory/1416-11-0x0000000001230000-0x0000000001234000-memory.dmp

      Filesize

      16KB

    • memory/1416-10-0x0000000001230000-0x0000000001234000-memory.dmp

      Filesize

      16KB

    • memory/1416-9-0x0000000001380000-0x0000000001384000-memory.dmp

      Filesize

      16KB

    • memory/1416-4-0x0000000000290000-0x0000000000292000-memory.dmp

      Filesize

      8KB

    • memory/1416-3-0x0000000000290000-0x0000000000292000-memory.dmp

      Filesize

      8KB

    • memory/1596-18-0x0000000000CC0000-0x0000000000D1D000-memory.dmp

      Filesize

      372KB

    • memory/1596-20-0x0000000000CC0000-0x0000000000D1D000-memory.dmp

      Filesize

      372KB