Analysis

  • max time kernel
    4294194s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 16:44

General

  • Target

    105614d68f0ef0ba25d8b46a272a99571b7e41ed9efc2bbf0172cd858d34ce99.exe

  • Size

    117KB

  • MD5

    bcb8226cbf5e6272d241776cc902f6f9

  • SHA1

    50ec47ab1fe53ac34ab07fc41c960c237c264198

  • SHA256

    105614d68f0ef0ba25d8b46a272a99571b7e41ed9efc2bbf0172cd858d34ce99

  • SHA512

    18d90a320fb2365df57de93922eb8ba4b46623cd3dce60fb8df5ab2dbebf24b0f01e1302e2f4c511c12bd6836debd9e2debfdc570f4f95186bf3fec0c35688f8

Score
10/10

Malware Config

Extracted

Path

C:\2l2hj122bl-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 2l2hj122bl. 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/C16DAFC0F8E7F33F 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/C16DAFC0F8E7F33F 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: n9YlkCG7q4yDRcofB13zsC0bY4rPMCXq/j4kgPvHLaqz9sIgN+u8IjGg/616ZKZC EI8kBMXIlxAY8F0/ucVD0anIzRPxSphkyCzxWAuPeI4qGuIQg/N2tvFMkqXd54qJ nac7Dvi7iZDRvNsGkjax8GuYk8EDBllVgPTOq/0/rcu3KQwNs0agsIwac09Zuk6R PKLBtoUniTKB6eePlzaVxprLgciS8ZaBz0u8sCygNJkXkEpfL9EC+eurMmsRD427 fh7eRAQX6pvHlbAtCpFXpx+TLHE2vUtzDiaFE55Ly590AVmlTz9V8obimNU82VNf cgBP+wFVM98gxl03nUdQ6o1WqK9tSA/JW7n4XupuyEPkHJnCsP/YSHTfcsiScqH5 e1p9882w7Ideh/HigJwlw79futGsgRRupuaagNTN7xxT1WVWo/FG8V2yPjxfv/t1 /kfCLofT9KuqXhAogPdXNb3Nu3tiDPps6+uGG5QR46WqTYgib0WjDtUcHYSqBp7b JbP17gqc3cJ7LbYEdTyId4MtvXGNvGBCRwgTphg5Bjb+2+nOgjYxbjWCJFbr4TrF wRNoYNZ8wlPFjPvTv4J+SrwgXo5zzhePt+xLWuNE1cKhvOuj/f+y08++rmcGjPN1 bzUFljA31y8HoBZkZKEQ3thDLfUre1Xk1WdZQHYQf6wLURj531/gx45xb86YJbcZ 4N/dzSsDLlfDEjswEkw+N4smfZopYHJJXBrmZfN+KhMiWyvv4F2Amoe4cyPpka1w DBvB2QO+vQZXzkkzlPt/seUjSdp1ZGIi4cmYyx9jUkrOL3/3WeAAO60dqSDIjLrz XjdoHhUml6diYUOFHKWD/exH4ekFSoI0PDO93FpZegH2Hc5f7Zms/Bukt6IGGWa9 kp9AUEwoOKGOAZxjVxpfZwh4FeYrMuKkaIMCtCG871ogDDpOLp9BJlUN4uceUFQs fxjSEihRagjakAc9WcTp7Eazf6xtvcYzKCri9XUkH+xdMW/1DYNDvdGyvRcZn59G Oe0huv6Hc4vrPbqDHVz/Q1VuMEdGLPs+eqLPUKLBulXeIo88+FyqCZN2ipxrgoxG MqIGhjWot1vdBSxnvjhTVWNqlTBxHF4zaOXT+BZVNFdT//nNp4VY+dpphUVCMnBN vtROT6uJsIX1gSogFW4qPeBs+DMgpZTPKrEtwL8yY+KtJIeiNszJem9LrRt1wGVg klswDgSVS8c1qgFFDy26FX0OSQEjDlXuGuQJpHFkt0d967R2uaLYb5RGZCzBkdN2 jajiTj2pOgd2nXxyCJLyu8Nrr5ytk8Go+P+zzpj9sJE= Extension name: 2l2hj122bl ----------------------------------------------------------------------------------------- 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/C16DAFC0F8E7F33F

http://decryptor.cc/C16DAFC0F8E7F33F

https://filehippo.com/download_tor_browser_for_windows/

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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
  • Drops file in Program Files directory 27 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\105614d68f0ef0ba25d8b46a272a99571b7e41ed9efc2bbf0172cd858d34ce99.exe
    "C:\Users\Admin\AppData\Local\Temp\105614d68f0ef0ba25d8b46a272a99571b7e41ed9efc2bbf0172cd858d34ce99.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 AdjustPrivilegeToken
    PID:1924
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:472
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1924-54-0x00000000757C1000-0x00000000757C3000-memory.dmp
      Filesize

      8KB