Overview

overview

10

Static

static

10

d96523adca...ad.exe

windows7_x64

10

d96523adca...ad.exe

windows10_x64

10

Analysis

  • max time kernel
    128s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 00:55

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General

  • Target

    d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.exe

  • Size

    114KB

  • MD5

    99fbd0f7c06b13125e9632244bc1aef4

  • SHA1

    11b9e375b38237d4261ea0f5b45fbe816b4b30dd

  • SHA256

    d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad

  • SHA512

    2d6611559e20deeec2cb727511429fde4629f5f2e7e7041774b9a9460756eefa929c0ca18e161361f7458c2716ffe8ce49789e4e4f9f55e7101feff91fc8fdab

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\e2ci7m7-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 e2ci7m7. 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/07A17DCA871F2349 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.cc/07A17DCA871F2349 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: I1exYykJwLyP76J4+MYisBR0KHHuhSbjaCtzKIlsl8e/UroSRrEHoZ9ZkujogDuK ghyBX7eBr6nVk3bSJWxtg5vKKhRJXPzKMxIdpnq9du+ncmJYe0Qbx28+Ch46cAGH y6Xia5tMcq4p7NH3rVFK++bITYEw4rfTSG1egu/h6Ho7QlHmJCIpFHk+QEXXU1C0 pMO+R47IGNSoEbyOxNEO6VC4qoWoG1Ok8hMZIAIs2jlyU6ribk4v6IXRO7KzCann vi0rHt9NlP9CcWbfqpDFAKkghqyhGg81bD8yr7Zjv6ErMD20ha005nt2Eae8MMS/ AAcVSEod8UyDR+Dbhb555r0ALPa0FQJDH6rUb7WCBoqtt9dn46eBWLU3eUuQa+v/ vxhkJ7Nelw/1vT8DdGZY4hlddJaK3fBl/U1BM/EPXd/alCurEjeIqZrSBj9OiEw4 LnE4XyS1zm1CgYhhelM6+iv0pV1L4W+nMZ/TQeetTe8gHmj9xB32gwg6gQ9WxQnw Ap/gL73vfCfKbMcnYRf+Jdygw3JhT5U51EVXvY0Nwh2AZNGgdE583h2OpAWhpHIv kguL4HqskEEWlimWF7LYwchXodL/0/5EULsnOky1r2926zFQ72StyBQO/srWT8M8 62bn/EHvEH4iyUVzuunStPLHojp9Xzjao11V4T0E8t+2puBCY2SpRKiBF6xSnHCb FDyabB5dJRqaZ151LuPkmUGmPyzndbVqnL+sH0jLjoPXBf7lquJ2IbtHvcxo8Hn+ 1W53v4wUYiWRUVsn8RnSkHJZ3+DnhRqrBTaLbBVeOjK1zRrxhffPZHB8kJ3kqpHg EXbrfntvTr4HGQY9T9bPfS67uvJh8ETc25YbPy/T+IDpFURzBPKAT5b/n6Sd9ObR 8Dz6wNdUUEdX9j4l/8IWigI4jojkwu6fGR/lxKh2LHeKHaE5AVh5cwhhfswb1pwP IXgRlj6wQIavkE0C1ttwsX0bl4roC9rX+a/DsPfxyO41f/tA9RZKjZfZo1s1t+Up GgBT3Bm47PPfmDEhNE2hUo2wlgInB6VGQz5P311vpOqLZO5N1jhk0U3I1Fgv29mS HdDgEHVIVCTSDvqK+bIxtWXZKzje+YV9NZTGTIE4ddiXRYab/PkMRGF0s610jtIT 81xWFAQ9Th1/AVjY8qsWxpwShrzpdElTSvkrkd48sBT2C0Nr/ERUnM7sSlwYr8pn PfgsZ8+dp3pDZEjI0ThSfAcR9Xd/48jA/89Cx7hWRigFndLuy9mawXrqXsVCDFVb 9YFMdlVnP0lhxFSO1eNAMYObQZ6YBIyXWIk= Extension name: e2ci7m7 ----------------------------------------------------------------------------------------- !!! 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/07A17DCA871F2349

http://decryptor.cc/07A17DCA871F2349

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 6 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 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.exe
    "C:\Users\Admin\AppData\Local\Temp\d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:900
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:540
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1660

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/788-55-0x0000000076B81000-0x0000000076B83000-memory.dmp
      Filesize

      8KB

      Download
    • memory/900-56-0x000007FEFC2A1000-0x000007FEFC2A3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/900-58-0x0000000002530000-0x0000000002532000-memory.dmp
      Filesize

      8KB

      Download
    • memory/900-60-0x0000000002534000-0x0000000002537000-memory.dmp
      Filesize

      12KB

      Download
    • memory/900-59-0x0000000002532000-0x0000000002534000-memory.dmp
      Filesize

      8KB

      Download
    • memory/900-57-0x000007FEF3360000-0x000007FEF3EBD000-memory.dmp
      Filesize

      11.4MB

      Download
    • memory/900-61-0x000000000253B000-0x000000000255A000-memory.dmp
      Filesize

      124KB

      Download