Analysis

  • max time kernel
    146s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 19:27

General

  • Target

    file.dll

  • Size

    164KB

  • MD5

    0ae77d606609c1f0fc3f1fbac91cf140

  • SHA1

    c1d7832d4e1ef884dcf00be860517abad5d0c1d2

  • SHA256

    ccdb5316112f277ca0b8475884223713ca5afc4f9b729250fa5be07c486822a4

  • SHA512

    3236e6bcb11ba90ba7dbb591200d316f6c3168cb9c21623caba23d36a1724f11fc036a3629cecf88e21506feebdfe0002906cec41b0cf5e96a28b2e97a6e541e

Malware Config

Extracted

Path

C:\34jk3-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 34jk3. 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. [+] 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/8667C63459393CD8 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/8667C63459393CD8 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: FMe3pWaKnBacdwDDw9f+uSds83O9JmGo+AzJx53C3Lb9O4UfRCeKA04ZLO4Cfu5g dNbxss8Do62YEXrH9DuO1Z9IUN3lNtwpw7akbgDjf/tvaq8Xt18oshiZLxd8KmmV i5A6tfzziD157PaWO8Gg7y5W6eZWSQGg7ljW1eSemUT/ubV1/H3TKvwJZ+Oo930A M8wxvHHIQwuSZNnYXCTUElDb4u0ZfLZyNKppPcWl3Zc8jxCqUAosDkeSnz4g8/mN c5hEyueVAdiUFgtiWFXeeo5vUTzA/L2FHnRkxZVRD+Zpi5JEz5fd4QdiP40niTPa P7qRjIjqKvl/IqbggI+Pqtj7Z2jvfHJDeeptlks5UJaPPX4VKu/YRppLevWi6VIl HCB7DAK4+syn6H9h7QDXkJjTFaQ/xE8CmHW9Qyxorg2oL0HOSjVWdLVDXzKppUVf Y+eyHpWdU/scC7ikdWoOFivkGQ+dBuw7fmBsyi3O+DXmoLGlNbyXH6cUjc3TIHzQ lfByWuXjXH1mgu/j4WzSrFmrKNAtWaGRdWfSWbkH1H91ScVgtVtApw+ZnaUYs6Dp 9e5PUu0ZwnZOrd/sn3CU86BO1gaQCOvKGyy6257N57JDj2fFAafq7GGs57Byp+cl 6GHU3ugCdupcw2hROQBJmj+4gCCE4BvhMY/AUprGVT3M0TUgED3RUVc3w3c7ZwhM nZAmGyZb5HdH+dIIP3JLle8GvcDhO+/oc8XIdNcM9EDtvdudasaB8KnUKvgrf1ZR 5QQFYD2gh4uo8j85pMr4gD2jmVQ53kibh1yap4Kl6tujhUGPHMZUqSIDh8+AGEM8 P6NjVlSCrbr4XlD5ePeAHkIB6GVe6mwdqMii4eWFzGgU8OToRPX8Spa4i8lJam8z Z/yqJ+YCT3uw8NEwq3YmfNZJeZdqAOzZwiy3WTvzBGRqczKqUE+1+hPOF9UIQiA0 GIDbvwULW/UwT5XOfdVwK/Sdt5zl9pw/o+ROQ6+Z9HDK8yHRoyf08Rfm55Q1nlU/ D2xAEky5EN9imcYbd8LQi8RtH5ULANpDiY4W1oxE7yPzqwk90DbP7PHDBhvo/DBB AEejQs/I8pMxwDYPASpX7dCbD4NkwVj2u9FzYecIwSB13GQX0Xj+YMj11V5kmFtX BpKynWDA+1hVzA== Extension name: 34jk3 -------------------------------------------------------------------------------------- !!! 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

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/8667C63459393CD8

http://decryptor.top/8667C63459393CD8

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 7 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.

  • Modifies service 2 TTPs 5 IoCs
  • Drops file in Program Files directory 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
      2⤵
      • Modifies extensions of user files
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1284
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1120
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:288

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1284-1-0x0000000000000000-mapping.dmp

    • memory/1284-2-0x000007FEF5E30000-0x000007FEF681C000-memory.dmp

      Filesize

      9.9MB

    • memory/1284-3-0x0000000001E60000-0x0000000001E61000-memory.dmp

      Filesize

      4KB

    • memory/1284-4-0x000000001ABB0000-0x000000001ABB1000-memory.dmp

      Filesize

      4KB

    • memory/1284-5-0x0000000002330000-0x0000000002331000-memory.dmp

      Filesize

      4KB

    • memory/1284-6-0x00000000023E0000-0x00000000023E1000-memory.dmp

      Filesize

      4KB

    • memory/1284-7-0x000000001C3B0000-0x000000001C3B1000-memory.dmp

      Filesize

      4KB

    • memory/1684-0-0x0000000000000000-mapping.dmp