Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 10:17

General

  • Target

    solara/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\8elklm5045-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 8elklm5045. 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/3A594AD85B7E99DF 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/3A594AD85B7E99DF 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: UKWuDUurkt0NjCwmsZ/UN0s8m4avs3Oc1t4+Fpt1rQWjcq9ScM8Rf8jElV8kcCXz gTaQSUID7McOQjyrSNq2AfItSi5aOMfIDjh58S7dU9SJKv5off+/vMMU4I286h7D 4qtfLp0h7E8gpuOGhjuBGaDI4rUmGdQF+NlwDFKZWfxiBhYbRTp2NMxZHPn8Ab5g +8k9W9nzG5X2vbnkaXm25woMbpCjiE/Iu7CSBb+2RlFyjTFrAu/M2Nm5nxYQOhn2 QnvCGX5GK/1cTGbgigbYOTlUw4gFyJC8Uk4RxXL3MyA6et861M3sjZB9PIZ7qisE R5ht7TYedXQlfP7BD3y/ut8Y/mECxKFdW4iH/PdlUCTh7Bej6+jYJtSE4I1qtnQc UDgNvroglvN1L4hq9im0JEJurXu1eyi9GOBD98fXmNPHb3OFBP/C2atkJKI7nrJW fT0WPSwqSJlPu4Uhwz/9AJK9YjTiaE0sIsibhU2DzjhNbSWcELxXi408mqiOuVIb d6LmD/+8p7WUfLM3fiKEd0hrYsgfQAtm+yiqM9Bnb8jo+6+PtWCs28r8KautLOzA vhN0hj7twa6H3wquhtltvweDEyfWkj57QGQ3uBUm50r35DPpGihek/5oC+UE2cJZ 2blr4M+vmjrD4SXB1BnEb1cetpR6kESygi7MbJRGHkqK+LukghgqeoVSmxGUnO4z slpgmUumFHrGLW2weQScwU7Za0eYKuKH6LASJ5jBokgSSrPOVyri3+sNK7rjZODQ wfMH3YqZBi3zl6+SWkHAOXIxvvnKPfqd/izP7Zdl9n9nlwK5Gwmt13NHaFOC54dI QC+cy/vsq6w1dhntpZRWNL8+/e2FzuXr0hbHnl0ECQBKmGuTOZOEk/3VJQoB61bV aq97QaYoWHoE0mJo8BEaS0YX4zmOlxC2LvoFssixYU1WCN4SGYcp4sYUyY40EC1h 6i+6C8B9RgffJo5FBZ7+X2Zs7h0ub6seokysF2AxaZ/L1myBheFiMn3A7GT4vsx+ sjhkXrbE2+E4y9PBgQshdaRzG81r58TU0Rr9ucLABZAgCv7AKRqv/diMqayT16yH MI5G0re8ryK5uVbApibPQys0h1mPj68w224MYsrUVbhdQBg3YGvbLZpf+9O47wv1 5M5GBIyyC3H4iJcHait5sYWLhDy46+0coQ2GQDKLdiuKwmyOLKGTuYye9NOzlDmY xMjO7YMsj4iLtzG7V53B+luVWm5n1wIga+A= Extension name: 8elklm5045 ----------------------------------------------------------------------------------------- !!! 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/3A594AD85B7E99DF

http://decryptor.top/3A594AD85B7E99DF

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 4 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\solara.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\solara\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:4124
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1672
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3772
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\8elklm5045-readme.txt

      Filesize

      6KB

      MD5

      e6fb505482538733a9a791e2d5985085

      SHA1

      f7d94c7408c935506bf6ed34636e97706b28c296

      SHA256

      6abc8dcc36d25ff52d2a314d6cf96433b68cb6d690f4f3f20681b150df3c2417

      SHA512

      e2e87ed6e241544b9a451a1a244bc6217dc1bf4d589cf5a4296d328111835a3102e784223e9dfd4061b5a916c6fd7f09dc616e27b1df221dc63a032dada1cdf0

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ul44entw.0ds.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1672-0-0x00007FFE433D3000-0x00007FFE433D5000-memory.dmp

      Filesize

      8KB

    • memory/1672-3-0x00000189B66B0000-0x00000189B66D2000-memory.dmp

      Filesize

      136KB

    • memory/1672-11-0x00007FFE433D0000-0x00007FFE43E91000-memory.dmp

      Filesize

      10.8MB

    • memory/1672-12-0x00007FFE433D0000-0x00007FFE43E91000-memory.dmp

      Filesize

      10.8MB

    • memory/1672-15-0x00007FFE433D0000-0x00007FFE43E91000-memory.dmp

      Filesize

      10.8MB