Overview

overview

10

Static

static

10

fd164c4c12...87.exe

windows7_x64

10

fd164c4c12...87.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    17-06-2021 05:11

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General

  • Target

    fd164c4c121371f94cfd3a034ad8cf8edc7c0f7141a8f4c9da1683d41b212a87.exe

  • Size

    122KB

  • MD5

    fc9edc350d7ffdcb9e53390dae26ea5a

  • SHA1

    06b1f63eb58202a630cfab82c608111a53177db3

  • SHA256

    fd164c4c121371f94cfd3a034ad8cf8edc7c0f7141a8f4c9da1683d41b212a87

  • SHA512

    84b377ea7f5b066b26f2ba60d3b9dc7fbb088d2f0cca16716bc99fc7bfcdd6f1451bcf3b134b925c090f291bb97fdc5f589dd645795e4d1e5c124a316756c86a

Score
10/10
evasionpersistenceransomware

Malware Config

Extracted

Path

C:\697xs1-readme.txt

Ransom Note
---=== Welcome. Again. ===--- We strongly encourage You to pay your attention to this message and read it to the end. All Your files are encrypted, and currently unavailable, now all files on your system has extension 697xs1 Before that, all of your most important personal and business files were backed up to our secure offline storage. We took them for temporary storage - but we don't need your files and we are not personally interested in your business. Our encryption algorithm is the most technically difficult and max resistant to burglary. Only OUR specialists can decrypted your files without loss(!) Any attempts to decrypt files on your own lead to damage them beyond repair(!) Best way to you will be consent to negotiations and mutual agreement between us. To connect us you need to download TOR browser and follow the link to begin negotiations.(You can find full instructions below.) We are waiting You and ready to listen all your offers and discuss them. If You will ignore this letter - we will have to sell closed auction all yours private files, photoes, business correspondence, documents and business files + with our analysis of your work activity (weakness of your business, financial violations and the opportunity to profit from this information). It will offset our financial losses. Or we'll just put all your files in the public domain, where everyone can download and use them as they wish. * For TOR Browser http://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/ We are known as "Sodinokibi (REvil) Ransomware". For example, this article: https://www.coveware.com/blog/2019/7/15/ransomware-amounts-rise-3x-in-q2-as-ryuk-amp-sodinokibi-spread You have a guarantee that your files will be returned 100 %. And remember, this is only business, nothing personal.. We have a concept of business honor, and we can promise something if we come to a mutual agreement: 1. We guarantee to decrypt all your files in the shortest possible time 2. We will delete all your files and forget about your company. 3. We will show your weaknesses in your networks. .-= INSTRUCTIONS TO CONNECT =-. How to get access on website? You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/CF0BF3102B9A07AA 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/CF0BF3102B9A07AA Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: NHvamyK6N7QT1Q03MJcewdjurj2jGGn7eLUurK9Kl4RAnSq0AsoOGLOpY523nccK 9O46Lou1MTLojsrQ3m1bbk0RsujIlgWkl+F8sIjfy3FJX/E3K3aGZpMCiosAtm+C NnSOhj+tyhtGejJAmLJp28R+KP8+IkKLmruE+2rZEyO+XBPVeP5gI34jvo5QFtI7 sbpWUVvNZp5C8qtAmCvyB/th2E8qVInYf9OXFfdihx1V9p2xNovEMFg0PranO/i9 U7zZugLg9ZwwivtY+bweEHzhRyb+VPex/hii/b3kry4dfxxeCynSperemHtK+47B MJxqVI0g+xGyo2ah5JVl/H9PwpYsYRi/oTckVWdG4vkNobb4sm/ueYFmZmaQEWe6 wFMeKB79GXki5INQZX69N7pXGQeHt6hWQyC/maW6LQjWXZ7qvJMYcB8FbVGDrJmx lNCkaD2v1TI5gvXWLN2KskoQmndUXZsBe8rvCSw/DYcwUFj+geo8h7KCIc4ATUq0 WOpHb45YE2l4D8w98KSltLjsCOFKbQozRRWkIipTRcI0/BQuSa1blIP1Tc9GJrts MX/cvG9Srw59MOID8hYA3Pa7iYugLp9OgfPuQ1hIVy5Ej2zLIkaAcp7OCHn9vVNb P4ZRLXEbjkGQauDZcas43Fl+8PvUnqRxRZbu8iDPrHEyKlkxJioXj+GRV4dSTNtl fTqfn/O2xhSZ/aA5WqZjg4Fup52rTZeh8+kfWtFSUgj+sxYKT4R56FaOe3QBssfe ktfigkhSjHm1xlOhBEVa6S54Y8dlzlvxEPflZVHuNi+JM0QEHiG4YyjHiLMB/z92 3qH3Ze1fDu0/C7tydqtYZtiDt796S/icp4H5bz6kwYEzk/ip0pqjqDMub4Tm+5L0 KvLOvf8Pvg2kCxepKNQPsOr76kwkG0CICrjDgtw25O0xrl7Fy/7TKNYSY+4pr8IL B1bSNPIGbeKjqCHB85a+45sBnTkrgRaUYwhRvDAt6V5BEtpgarX621lYWCMXhxZp WYXhjLiVoe3JV6oHzmzTjGVr42pNa7HPYvjOW945anLAqdorBnA/6BVCl2P8Qehw uCwH300sNpXx+tigFVz/YCSl6BcD/LAPoC/5h9XXarj4je3XLxuvYQkRLFimXcpS FeNB0uf26esMUVexSt4W69ZafPc0/Dp66ilEIY/PMVTMmw5Any8g7jnvh4CdoM34 zo8cW0/c8v9FOO00HKmuuK4/gD/d5lqDeFoAWQ1lRuTnd5Q9ILcWK7JFZ25p88M7 0Juj6O4m ---------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all your data!
URLs

http://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/

https://www.coveware.com/blog/2019/7/15/ransomware-amounts-rise-3x-in-q2-as-ryuk-amp-sodinokibi-spread

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/CF0BF3102B9A07AA

http://decoder.re/CF0BF3102B9A07AA

Signatures

  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd164c4c121371f94cfd3a034ad8cf8edc7c0f7141a8f4c9da1683d41b212a87.exe
    "C:\Users\Admin\AppData\Local\Temp\fd164c4c121371f94cfd3a034ad8cf8edc7c0f7141a8f4c9da1683d41b212a87.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
      2⤵
        PID:3184
    • C:\Windows\system32\wbem\unsecapp.exe
      C:\Windows\system32\wbem\unsecapp.exe -Embedding
      1⤵
        PID:944
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2868

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

      • memory/3184-114-0x0000000000000000-mapping.dmp
        Download