Resubmissions

03/02/2025, 21:57

250203-1t5hmsvmat10

03/02/2025, 04:37

250203-e896saslgn10

31/01/2025, 18:35

250131-w8gmxatmc110

Analysis

  • max time kernel
    726s
  • max time network
    552s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250128-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    03/02/2025, 04:37

General

  • Target
    bazaar.2020.02/HEUR-Trojan-Ransom.Win32.Sodin.dll
  • Size 166KB
  • Sample250203-e896saslgn
  • SHA256 23b7ef18b61fe3ca542372a862d19fac734c24b5cecfe9682b211129fa88f998
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\i1bs8-readme.txt

  • sodinokibi

Ransom Note
  • ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension i1bs8. 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 practice - 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/81BE583C9F6A0F67 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/81BE583C9F6A0F67 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: DLhwfXxMCXajmJEIMNaFvH/w9bYY1aZDQBCyLv9HJ6eMXXlDl9Ul714a1fnC0fzC iEzIa5RcPcE22qeiupld4h1F3z2mlxzyV875U8CxlinmJR90JBdEEhC+FD5Nz7H2 Feyp1XwplMpRzHvXmDi0EHBrZ8kNFpGNn9Hg8tSwMtIjBZ9y2EwSmwMvK9CqMQs2 rU3u3xSLvkESspjYZiI/i3I/oc6/1BHisngvB4HdHDSlPR2Kc+DcQwIa/4PyyOKl h0P0ifUoISwqwJtdMbcsCazxPgPTwaAGfdThBKjiC2v3MhFXZExYGFvGMJ8DBowv YSGIIyWbbDUH/3wyVrV510EU3oRcxmlt8hVC/qDafErmWKPzFSK6agIRee9wuEjy /jkvrxqXGiIYNK53DkSp0f13W362f23x5RrgBVPoPostW3YJ1zkhomP5WZ3GGK07 0wC7H6sCmZsiXdKV1tPzMP+Zlgi2b27rToCmFkvTnpEGiOaTXrVQ4iAfQunW7ayO 0LV9GfjWDOxwAGDYid2Q6DVcb0FwWzKrbtNS7czha/lv22HkJTrxVO9c9ic+rZQL rQldfS1JRQWfiISfHwVleexd4h9ucXYpB8nUCnU8oZ5ULvw4FRFHAwv6qLDffzAg JsvMOdk/bGQJsMolvarQNlK+psLxVeikI7roBCpDeJaGLgrLvvSC0t0sRKti8aWt 5Mb3D3TCHgaXQN+a3E9fWt92a+AMJMefhlZpQWRwdReubWOvbW9qPCra/p7ZsuDo GdpbYOMOb89mWmQIGgcQ0cPggSLBmyy8rV+7akv1ccVET47br5nMoLPRy0V9WQIF 9LN1fv2z5uFYh2e5pUhtUKuAXpsjZwJtyOekDhnNHXsUw5PJCOpi3wlAIk+d6AWp 9Y1OPy0PZcG7m6hh8sidiSWj7cvjCinEgXBkthnZW77neIzByE2SB+PHt+5kNjog 1rQapGIPw6/0LAQ/iyKPYa6Ndimsl4Qb9YNyDuWzPBRA7JC0+Q53uzBjhL9MlPp3 nzCChz+FUw105i4dWn0j2os1H4UIqgb56Y+omoKps6gZOH4uK252PMllSo8Ekx6j u1ZF2jOOUfyAhKnsjNqKwkNcpBVoJlc+4twhhib6j7LVSEj1D+lRJFBtIyRHBwKE nTxa1G/s7VPU/SZdo8G9pr3SmPJ4wS8YRsopisZR7He75XNQ+Gro94dX16/wG7w5 1gbfr5gKU6JwqIl7DrisMkDbuXenSwUAEoT7QpB7/sGE9XKJR4JgAJM2RDN5SVnO hqWTcd0KDrAuVtfD6mwa+hWU2+h5jMrQG7R2CaPDHM78DhUTuUY3dzJeUE/4AmMd gIsG6KLShz4aiJ0OPALxbwJwHG2op7Dwv4l2xjlpVqj2GmRqErNzUUnRWC+Rfh4Z ueA/CuTPpJ4= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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/81BE583C9F6A0F67

  • http://decryptor.cc/81BE583C9F6A0F67

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Sodinokibi family
  • 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 Program Files directory 22 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3924
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3476
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4780
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4120

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_yunarxdw.fqk.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yunarxdw.fqk.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          i1bs8-readme.txt

          • Path C:\Users\i1bs8-readme.txt
          • Size 6KB
          • SHA256 a6c6c8173ce83b8c053aabb7c5e1dbc8ec7031a262e0031e6853d8e1c737f1ce
          • MD5 SHA1 SHA512 SSDEEP

          memory/3476-0-0x00007FFA42B43000-0x00007FFA42B45000-memory.dmp

          memory/3476-1-0x000002B175EB0000-0x000002B175ED2000-memory.dmp

          memory/3476-11-0x00007FFA42B40000-0x00007FFA43602000-memory.dmp

          memory/3476-12-0x00007FFA42B40000-0x00007FFA43602000-memory.dmp

          memory/3476-13-0x00007FFA42B40000-0x00007FFA43602000-memory.dmp

          memory/3476-16-0x00007FFA42B40000-0x00007FFA43602000-memory.dmp