Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    17-02-2024 19:51

General

  • Target

    Week 5 Malware.exe

  • Size

    1.1MB

  • MD5

    ce65b4b61c076642a5f98fa780d43899

  • SHA1

    0a60240eb6e96836d6ca4b82f531ecc98ddbb4bb

  • SHA256

    e84c050d38730a0bf098476cc6a167f9944521a0e4e1beedb2dab331a166fc52

  • SHA512

    3f74a006ea16c182a3eaa896886fb7ed70ebf4fb74641dca77bcff300e89fe1ce230ac1fb29b168f7b0d4033954917439add8e31ea027c9041ffc3363220323f

  • SSDEEP

    12288:BB4ONL1Oa+iJBPWhbvULrJ6Bti3ERXxlcWdMhaex:j9hEYsbvULrwC+Xxlc+Pex

Malware Config

Extracted

Path

C:\Users\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/86d409715e283987 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/86d409715e283987 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/86d409715e283987

https://mazedecrypt.top/86d409715e283987

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
  • 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
  • Drops file in Program Files directory 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Week 5 Malware.exe
    "C:\Users\Admin\AppData\Local\Temp\Week 5 Malware.exe"
    1⤵
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\system32\wbem\wmic.exe
      "C:\v\..\Windows\lw\dolxj\nhvp\..\..\..\system32\r\..\wbem\eo\pasb\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2304
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
      PID:2728

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Indicator Removal

    1
    T1070

    File Deletion

    1
    T1070.004

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Collection

    Data from Local System

    1
    T1005

    Impact

    Inhibit System Recovery

    1
    T1490

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_FCB3BEAC6DA74414B47FD82CB499B6F7.dat
      Filesize

      940B

      MD5

      53710f18878d8df3b9d1a6ed69395804

      SHA1

      80df5f5e2f52ff11117e3cd2cbc6f6d735d2ad11

      SHA256

      88030d906da72135116c0e8997459ba9806fa48af061519635a0b28ac3ccd784

      SHA512

      b7e6fe641bcc8a9a1c9d69b478be2db31da5513bc016da6b889e31227d9f726b5191c657550217e9249cbb11516a6cd268c06769bb63561dfc1d261bce346bd7

    • C:\Users\DECRYPT-FILES.txt
      Filesize

      9KB

      MD5

      2af8091bc87f3e11151b4233ddeef2fb

      SHA1

      1210a7186c5e11a76a8ca8946425271fee20e37a

      SHA256

      dad3df72420b35ecde888c80b6dbaaa31e09ce41c3d30f698d1748ccfd386a9d

      SHA512

      2fad6f25e4340e004c21440756cefe9c2cf4bc37c37ab5d97e4d73afff31c4203d6c51e6125856d29736fb693182c21270e06ee2f8724d4740476b9228a857fb

    • memory/2344-0-0x0000000000400000-0x0000000000518000-memory.dmp
      Filesize

      1.1MB

    • memory/2344-1-0x0000000000290000-0x000000000031E000-memory.dmp
      Filesize

      568KB

    • memory/2344-2-0x0000000000400000-0x0000000000518000-memory.dmp
      Filesize

      1.1MB

    • memory/2344-786-0x0000000000400000-0x0000000000518000-memory.dmp
      Filesize

      1.1MB

    • memory/2344-787-0x0000000000400000-0x0000000000518000-memory.dmp
      Filesize

      1.1MB