Analysis

  • max time kernel
    138s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 02:49

General

  • Target

    Sample.dll

  • Size

    601KB

  • MD5

    910aa49813ee4cc7e4fa0074db5e454a

  • SHA1

    45831987fabeb7b32c70f662be8cb24e2efef1dc

  • SHA256

    4218214f32f946a02b7a7bebe3059af3dd87bcd130c0469aeb21b58299e2ef9a

  • SHA512

    3a726bda8119bbb45a5407703982453abca112df38921df76d57febd455c297f61c19858c40c48f155a721b460b0b5d4b410f5427980df3b8959f8969a8d24bd

  • SSDEEP

    12288:yxqa4OJLt8sJ3y3/xi+aW4cJ6ANgRitRUA1qDoj2h9TY+gleOrnGLUVHso:uGCBQp3aW44cCIYBeOsMMo

Score
10/10

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\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/6c350cbc26c7f372 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/6c350cbc26c7f372 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/6c350cbc26c7f372

https://mazedecrypt.top/6c350cbc26c7f372

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Sample.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\Sample.dll
      2⤵
      • Drops startup file
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Windows\system32\wbem\wmic.exe
        "C:\pyq\dngl\..\..\Windows\hdp\jtpa\j\..\..\..\system32\t\cauy\xkihe\..\..\..\wbem\gdjt\ci\..\..\wmic.exe" shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2268
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2644
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
      PID:1324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_F76562E7701D4B529CF3584D89B9BC9C.dat

      Filesize

      940B

      MD5

      26cb4e20db267a23a4cb7da97ec7873e

      SHA1

      befd341a8a95271c71eb267f59bd875fabcd96dd

      SHA256

      d4e92ab73dbb91459422a854c093c3d6aa200b020779d671edd5fce9e7d9cb27

      SHA512

      503ee5a5f96771d53e9ba627dbce73a89da3ab3bba37c7b691c293d61aac8bb20aa000357f5d504151470d1f87fa04e28f613db387d40d5bd2e8bba5b66555a9

    • F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\DECRYPT-FILES.txt

      Filesize

      10KB

      MD5

      e2bc33fe26a2b874a4b3b3688217603d

      SHA1

      6e819ced935e03b02b88982eb26dbd0b8d95ad2d

      SHA256

      5b4b46d1c4508678f9d812eec546a7c29e390f35a441960ecf2d4fe29e5c6add

      SHA512

      804e73db963bb387a1b1c16542dc3f9ca0c26e5c2fa4b20f2913a77b0a08b5e6f0cf12ab1cc1f145016f16a598f012dfaa855eda8a9651c4fb87aecfebcd6802

    • memory/1180-0-0x00000000001F0000-0x000000000024D000-memory.dmp

      Filesize

      372KB

    • memory/1180-1-0x00000000002A0000-0x00000000002FD000-memory.dmp

      Filesize

      372KB

    • memory/1180-6-0x00000000002A0000-0x00000000002FD000-memory.dmp

      Filesize

      372KB

    • memory/1180-10-0x00000000002A0000-0x00000000002FD000-memory.dmp

      Filesize

      372KB

    • memory/1180-13-0x00000000002A0000-0x00000000002FD000-memory.dmp

      Filesize

      372KB

    • memory/1180-826-0x00000000002A0000-0x00000000002FD000-memory.dmp

      Filesize

      372KB