Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 03:40

General

  • Target
    906c497e67b80e785774b046e9d100bb_JaffaCakes118.dll
  • Size 164KB
  • Sample240603-d782nabc77
  • SHA256 c80ded3fe04fe8fea1439d19c87d4c451683786c5bbdf9ddee4755ccde571be1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Path
  • C:\Recovery\c684bat8om-readme.txt

  • 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 c684bat8om. 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/E4004981CA98FA26 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/E4004981CA98FA26 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: 9xBJnGSpnxUqDmQElG5KfAo6JvALLJ3w/uhJEQ2laNF2sBdIsVWsBxxCh5TrYB8C jV0qOiHLsCNnv7g6MsjehisxKi2hYipbBCF5W2GuIsVhzN2XhN4ykBkDVmV1NxGm 1NUKteeIW2nN/MXaVZu/gr+otwD6bvkmKp/xdYzA27UkfrK39XUqTBrdIyDWHKF8 w4B0xiKu4YjJmPrpN78vNzGmWYASD8+pD6wAzf4PWzXapbVA8Plyq3cCGoFUwtWK lESeNgxf8VlKGQTxE+JTuiQGtIOH7k1DdsIXF++R7qByWd4msMDhMG/cIW7UlB/I kgnkXg6GaSplpbQePJ2RJoDoJ7lHWF8b4RP38A9MywqNqhf8C1OYaYDBwGZ/K6UY KldKbybtPWt+oQLO1p27jFfVbYPWfX4SJD5ULcL0j8fbsrrydBw5UNOf+VBYAHw3 xExjTrsZ0TjeVrsWMhNQ+rUYx8cki1aDbC2deLhzipPj40hWQdWiKm8wAzysuGCg MXzM29aVgae7eNwRbItDAAxNLM6S/ejQanQdLayVi+8ri/NuOQAAMSmBMgtPZyph OzBgakAYeEaYNjCUhk0eLomEbZCIy8+e5qkXOdCbB4sj6szmrucD24LMimRbhEmE kh/Tw/KNsgrrmYVp4cz9SWjpwD2eQSWPkqJRKzZQXn+RwAMJBx6elHfamzQjFOGl xC8GeDSZSv53C6GXmbHcpLO5Ke7sSC4lg7ToubGxmvRHltvsAw+yhsiNDCsiYuU/ rJkypgiGwwdgfxGNz4ljyHUMoQzBHuaNrZ7VuB8Hfufrky/kewXHu5EOyWEDiH3r E17F9fhqHcGzVlBAuFaq1w03IwoqzTfqDMoS+oJaU4PbkG+qmT3rZak2IhvtTHX1 C+oB37c7C03CxZrc7+xWxxObvQ5D5lrXqUWaDyYIlG6K2nRAQSQGIcmPWVwgEub7 N/VpKQtxFYEsYEUn0ySMr3p+x0/vKXEG+en4/Hi29ca9UYQMa9XnEwAkX9RFJUBZ Qw7rqzf7Mfxk8AdeC7cnawwrUfcNbY+8oHBYlwWb31aA9KR5d6JiUExgNOxkWFG7 2Tuc89q/BSsswkVKxD8I4zNTD8oSeBYaP7s0gCkA+tU02DOZBcPWBx902AY14mdK EghKC+1qz3DSNdk+kRZsP7h2I3pxePEg5DA/HeSubYQjmN0jh2Bx2/Id1TML0YZW EFaPckJ0A+lhpCGRhkbsxSuiJTlReoMCYTM= Extension name: c684bat8om -------------------------------------------------------------------------------------- !!! 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. !!! !!! !!! A system of morality which is based on relative emotional values is a mere illusion, a thoroughly vulgar conception which has nothing sound in it and nothing true. Socrates
URLs
  • http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/E4004981CA98FA26

  • http://decryptor.cc/E4004981CA98FA26

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • 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
  • 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\906c497e67b80e785774b046e9d100bb_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\906c497e67b80e785774b046e9d100bb_JaffaCakes118.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4884
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1952
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1840

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          c684bat8om-readme.txt

          • Path C:\Recovery\c684bat8om-readme.txt
          • Size 7KB
          • SHA256 f6f79a5d6e683a507f5ee3b13568761c2a9de993b29e87a4c1343df570c1d34a
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_guo3kje5.tf2.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_guo3kje5.tf2.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/4884-0-0x00007FF83B633000-0x00007FF83B635000-memory.dmp

          memory/4884-1-0x0000016F7DEA0000-0x0000016F7DEC2000-memory.dmp

          memory/4884-11-0x00007FF83B630000-0x00007FF83C0F1000-memory.dmp

          memory/4884-12-0x00007FF83B630000-0x00007FF83C0F1000-memory.dmp

          memory/4884-15-0x00007FF83B630000-0x00007FF83C0F1000-memory.dmp