Overview

overview

10

Static

static

8

pawufefu.msi

windows7_x64

10

pawufefu.msi

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    14-07-2020 16:01

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General

  • Target

    pawufefu.msi

  • Size

    496KB

  • MD5

    af64b568501ce3d7e43ace3dca1183e2

  • SHA1

    88d52d7ebe72415d1ee1ff16ffe8afda0b052df0

  • SHA256

    bff478766c3a3962228a15fcaae1fbf8c31ec337a83496c4670cd3e704ead735

  • SHA512

    b949b3cb7c80c38c38493b20c8e96e40343f79e265a5a1f73ecc9f1f34966e13079dcfc7b554ef67de5ab4e00f45b1dda5802f90084f5a64de8431d2d8f0943d

Score
10/10
ransomwaretrojanmazepersistencediscoveryspyware

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/6af10c8e396a6552 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/6af10c8e396a6552 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/6af10c8e396a6552

https://mazedecrypt.top/6af10c8e396a6552

Signatures

  • Modifies service 2 TTPs 209 IoCs
    persistence
  • Drops file in Windows directory 8 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Maze

    Ransomware family also known as ChaCha.

    trojanransomwaremaze
  • Enumerates connected drives 3 TTPs
  • Drops startup file 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 87 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Drops file in Program Files directory 26 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 96 IoCs

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

  • Checks for installed software on the system 1 TTPs 63 IoCs
    discovery
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Modifies data under HKEY_USERS 2 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\pawufefu.msi
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of AdjustPrivilegeToken
    PID:3908
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Modifies service
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Drops file in Program Files directory
    • Checks for installed software on the system
    • Suspicious behavior: EnumeratesProcesses
    PID:3604
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Modifies service
      PID:652
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AEBAE25316BA17521FC51E8511A80D43
      2⤵
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      • Drops file in Program Files directory
      • Sets desktop wallpaper using registry
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:412
      • C:\Windows\system32\wbem\wmic.exe
        "C:\jmq\rbyu\dfxi\..\..\..\Windows\cqwax\s\na\..\..\..\system32\pympd\farj\c\..\..\..\wbem\xb\..\wmic.exe" shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2180
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:1576
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s DsmSvc
    1⤵
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:3960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/412-5-0x00000000051B0000-0x000000000520D000-memory.dmp

    Filesize

    372KB

    Download

  • memory/412-7-0x00000000051B0000-0x000000000520D000-memory.dmp

    Filesize

    372KB

    Download