Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 02:48

General

  • Target
    svchost.exe
  • Size 166KB
  • Sample231013-dapazsbd3s
  • SHA256 1dc818f51827d89a545493921f8648299f3eb367c1e0354969ccaa9df7ce77b5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Recovery\68yy5-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 68yy5. 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/934C656C3C09B918 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/934C656C3C09B918 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: FUE4iiYePeKWVWkR/gSnOfENnfgUoPOTh2+63llCzVqXRM/USPko+bxYMxRtYhCl 0ehUKPETubyoFOuchpoerb8yrbl/JfdbpvEsH9FWapJ0deWT101Q8UFdmtrxLWzc +zUZOAhm/9hU2OznXpJgALncstkL/jEEuDuJD1k0NGg8yoZs1mlzeSOlbeW834Xb FGgotKUJsmyghfo1S/Km2YrnfS+KewWOqomlHzj2GnMfzy9U61p4oa+VmMICXi15 KC1WRFLuLy3gsrtMunIGr4WAVxYmaFFnzShI+Pj8Lhe3IoBzYfz9uPLp8b48gQxT Zzt1RVHCfChVqXddh/5jgXIN3upXPvW+G1bEsbQu2NdCsj34KZosFvAYZ7pU5bvD hyXxH2HcWaj9jcxPTU8h0g0bqLJZqWdAwXCZt9IKKsFZKj5520X23RuuGsdWYUNE UxIqxR270kmVCl+P3sIV7S0z91++yJ/BmwkrLvf4KIeajQPkJpvg03ZAxkYI1P93 vdds+kcuKHTE/gBiIgaBkYnN3LA2t7t3YbkTQU9DjJ9WJrLs4FuggRtPaKwQ3wKY w8/u0gSbDPGO+htCb364sfnl0jXSGy7SvY+c84Oa5+cTPEQ0lf9DokHLRQoV63V/ OBW1rr9Fo7V8GhRecVTjCiTAhfP55fBpyyEPmwVjQoDcrivNSsu3Yyo+5TUxkE20 EMPTXQ0wTH5NP9VgKVrd3AB3RsEHZFdn7aCg3IrzL2hMmt6n0Tk2lFndvIZIwQ1W b+jfqiCQX7ELxyfOLVxkXhUPrizW2b0x/6kgIUtm5KDBrwn6ajAULpAP+mn9geeJ 7gINokctvE0owNmcfr3SFM+ejMXXcLQjFesb7XJr/lSm8m45QZgA8q1PAV/Eou6P B6gnTpkQyaaf5gEAJKPrFWvYmgKktjOPdMo4Zwkt2EQtCoTNI1HKkVwfeq1wZi6u kEeTxchXvX+qfov/4aeF10eVDY64OqVw/+8J5gfBfnICBmbUvyreHHzf5qel5i52 ylTa9UXV95tr4g0+68Xk2ajnPM0FxbC1mif4LklcFpmQdU/1s1AQw+0SInA9OuaF O9HErmua0B/AVKX+QUCCHaLqYRlKGcRgnXnBcQfH5pth2qgU28sdTQjdr1bxm7y+ zNbocwIudP8mwTTG2kGEWrhpWgHN50FqbW5XlxakPqO2uX78wLh8VN+6VX6eb1Lf krjRsogd8inA2U8/pkTM8F0HeT3Xto4Cn0su+aAV1FP/x5L0SnyzwUygpluVAmDf Y0Frw6gapuKzWpjKNYWdtualFl9Ri3XJfdlZBvWNgBn9ZkZutgJgEIZ0Lh0thQ/I TvGAfSsa604BIEg9JBwbfPgT+GRgbAapKQrKEKHKxgJzdr/e Extension name: 68yy5 ----------------------------------------------------------------------------------------- !!! 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/934C656C3C09B918

  • http://decryptor.cc/934C656C3C09B918

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 37 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1736
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1516

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          68yy5-readme.txt

          • Path C:\Recovery\68yy5-readme.txt
          • Size 6KB
          • SHA256 401e2bf816cab5c6b2c9b7acb6d29d9e267a4f8cbdb67717aa015d89b5d25616
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_lzhukaml.au0.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lzhukaml.au0.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/1888-9-0x0000024AB9FB0000-0x0000024AB9FD2000-memory.dmp

          memory/1888-10-0x00007FFB50540000-0x00007FFB51001000-memory.dmp

          memory/1888-12-0x0000024ABA010000-0x0000024ABA020000-memory.dmp

          memory/1888-11-0x0000024ABA010000-0x0000024ABA020000-memory.dmp

          memory/1888-15-0x00007FFB50540000-0x00007FFB51001000-memory.dmp