Overview

overview

10

Static

static

10

6c914fa67d...dd.exe

windows7_x64

10

6c914fa67d...dd.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:52

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General

  • Target

    6c914fa67d8b5d39f2da7b4ae7820d3c248b294d5622e5f2b090e97357f528dd.exe

  • Size

    117KB

  • MD5

    a9b37cc9d5186ff808c56707edc14f6c

  • SHA1

    4d4a627717ce079381a63c753632edc0ad597ae3

  • SHA256

    6c914fa67d8b5d39f2da7b4ae7820d3c248b294d5622e5f2b090e97357f528dd

  • SHA512

    c33b541ddc2681e093764a47a18767e55253a510b8cd13cfdc40b06dbdf72453e18eb55cb46d8b3d13ae9b256b7e0323ce7636f2ae31a6c63e5a3cfeae6e5d67

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\xi7dl-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 xi7dl. 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/F40D372DA61EAD8F 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/F40D372DA61EAD8F 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: vWPX9kGgk+4+NtOkcdUIV7w2bbTJJkjd62qr2gc4s7fAdlQDcUXo6MXmxsjn2wXH 52e8twiOu5KTa8ftxm2WHP2QzUrJ/MVEHsv0X6VQ/aPYd84ASs6SAbv7V1rKHITw TyCWhVKEH+EusN6zWzUbKjPc6zA34arlu4ql9bsryj+oHx8JqpMIBKgCMg+w283F ++o5+128Qr7M0SuiHRaV9I4UQdtHZ0/ahYGSzE2wovgcINlDQj0tY0guI3DRIA/a 45IoWBSJ5Nv9mWXJgvmlhsYbtVRRCqSkC+DxseamST7jpnlVH0UqJbA9/QBi2oHd rm308TP7+Vh0nRBiRthHih1nZiJ0uRF77UrGpnhpqgZNnF8AFPHaSlkZbKXmyhY6 AEwk96R+QTh9jVW3w8swOCIJ5gTNoP8XNcYGGoP9TJZdIHi7E5QDDkbC73R6dC9y EnGPDhoai8h6itiAyniryreD59Mj+0hKdzsrDHfVTXaYGfVnot3P+FqTqZPnvUi1 IPF009Vnu5dIhl2T2cO1Qr/AtA3ogEkqLe5J76BHPMRlqRLKeLNXH1jPDdUB1cw/ LHYzroZMoCyeWOsQVMov7eY8RRtSDdVDg0SPg9uy8TSVZ/FUnvPoZpCC2xl9d/w7 O4SjmA73NTeZbwaU0quqonnmbPmU7laPXWh0ChnBzEsP5LAeZsj07Uti/owCIdOp lVMFl7OTMznbiyYOrH2hWA/SFAMNcEIvFPH6n5gq1aCdpIxcw5UXO/4MeNCtWzzT q4B3vArjT+g/cYGX/pmPw+N/Pwdrwu5i5CZXeF6DR/ktRzapISttSXPAtIMloSRr X3ryU9+iNqhjqIlk3+Lj2mH7v33OtgdhmXW62I2qe1fUM0H47Vx/SQb03uxfBlZI 66VnDIz7Fmuq9UWidiAQo3K/AmsqNvfekoZQPAq4oeR0yRgT32UCqsc4ishZXCPq y8gGdL9YxCL2GQmIHmD7hHPr57RLFmEfEyqqxy8hGElwQB6FkqCh/JvfVFhwHbny Bp6AyqkoYpBGLgdcCzMmVXF0+j+LqkjXo9d8+c7H0cMUtBUT4nHEf5fTiGei1kjM tYPgWDRJg+Ybh7d+9I4ONRI5ZwrZgksxIS90dlfWVF9xJ0LW88fTDrsSmOlclMDk +YSwRTLpSApE5cmTwb88yhe89MB7vkGpRnvwocyx03KDnugs7WkVlYp130oiLmXA eKZOnOlzPP56nUT3XK5yyNRc/LdmdpmO/JbpRYwu/55FMJzyjQzmR4rE6cXzi0q0 gUHxttmevH1wzPnAfJ8+hkwzggktBQ== Extension name: xi7dl ----------------------------------------------------------------------------------------- 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/F40D372DA61EAD8F

http://decryptor.cc/F40D372DA61EAD8F

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 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 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c914fa67d8b5d39f2da7b4ae7820d3c248b294d5622e5f2b090e97357f528dd.exe
    "C:\Users\Admin\AppData\Local\Temp\6c914fa67d8b5d39f2da7b4ae7820d3c248b294d5622e5f2b090e97357f528dd.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
    PID:1684
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1676
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:392

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads

    • memory/1684-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

      Filesize

      8KB

      Download