Overview

overview

10

Static

static

10

a9bbf80126...81.exe

windows7_x64

10

a9bbf80126...81.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:22

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General

  • Target

    a9bbf8012630dc6bcd8abac51e45ff9ea185f4ef5fea037a63cf36f1cced7281.exe

  • Size

    164KB

  • MD5

    0391bff54be866ff02a6610bad113eaf

  • SHA1

    403b0e7c5e9269aa8138934e92950078891cbdb2

  • SHA256

    a9bbf8012630dc6bcd8abac51e45ff9ea185f4ef5fea037a63cf36f1cced7281

  • SHA512

    18ecef8bdeab7c5df7c952184c97e6cda96d2110606da6c6f62505b5c757c9c1b684829ee4e8e89e40877086725188cb8706e950fde50df9f6e321084595a15c

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\33b9fq85-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 33b9fq85. 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/17BB5A79D61BAB4A 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/17BB5A79D61BAB4A 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: m5SiecToinWBlGys5UE4cXGlQvRMgUn86VwUl3vulk3OLw0u6RDi3j/I/fQi5/0k EiJfAWto3hlmukcfcH58HqkB/ftnPR3V93WBPDzAcHIIr0fsbUT8usfQbGHdstCg pI94vLHLJyd/aFREmdTFkTR+JVKD1sF7WnVWgxeuJx8q6xgh2OkUW3uriuYE4aDW sS70+RbLMa0yN0+cdFwzTFnJg+J8g4SfbkrtOv0fwiWXQYxFhwlUqXT3tXRhPfCK bhmdJ1RA2IuP/DTKBtTEgipkxcjkbF7TvOe+Q7HV1imXJlp17Q9p+irjNmRb3Tzx GXpjCGUqqfx6i8xtBrwCY0/W9zHZL3rQK1XD7Lq7onr7+bkTxOPbxugEDRujCbd6 hh3TizG+8PsDKbOFNqGvAhzUiTCwRdCd3jw0AcedP2vNvk7xr6SCfNYzwhjB7qOh 2Ym3EDr7K4DZhKIKEB51AeBDqXuS2p0co1fnI8WwrPxg/4S9KLT3CplEbD2glK10 2okrw9JrnVPGBhqEyjLoXMHeS0bDq8yRxwmMtrRvxqwU9i91oI0DheZojaa3DTQ4 3UeuXYy4WXxeZz9Z+xuGZVZTOUSwEDy4FuL4+6aYLfPG2JX3B2JJlVGHmtSjJEwD MrZW5NspzUqYV4ljNG7QllGvmpzDwhPmtf79h4c6PiA2YwGaVwVoO7l1A+SMmEkl EVuEPnjRrWbPVofU5zJdnM9sOz3MyWKaeQXC+svHjrNNTZa0rQeXStBMxErtpxzH 1T9eVhN+v6XFSLuOO/I0c0Bt1azKw/6QGTOp4QZxyiVbr783tKNUNBBZxx7kyTAP to33AZBdTK3iNz87eOGHysLEFAvFJ70kFl5LqclrlEtv6xsVPfc33KabAqgdhBwl hgPmcuxRzVQMdA6gyTMrcFXtDsn/vJHNQ6XeIsrZ9MJUanmIfEex58bEV5DRjTU1 AMFyAvkmjI5Qbq4Pnle7jPS4aQ/eF1vsmBuBXKbPsUQ+c/BgqSbVuaro3hHv4Eus 9g0o1RnbudWmpzngkeHPKiWaT5I80E9JLiirlgyyiuP5XEglKaqXTqqDOjDEXZwO UjUeq5mpyil7m2FgkoZrQsJ6dQA5D2NRApMgXmP1Ar/aJa8k5KBBIvEvVGq1eedM Mr5YSTAS1sk= Extension name: 33b9fq85 ----------------------------------------------------------------------------------------- !!! 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/17BB5A79D61BAB4A

http://decryptor.top/17BB5A79D61BAB4A

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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9bbf8012630dc6bcd8abac51e45ff9ea185f4ef5fea037a63cf36f1cced7281.exe
    "C:\Users\Admin\AppData\Local\Temp\a9bbf8012630dc6bcd8abac51e45ff9ea185f4ef5fea037a63cf36f1cced7281.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:436
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1852

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1932-55-0x0000000076511000-0x0000000076513000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1984-56-0x000007FEFC151000-0x000007FEFC153000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1984-57-0x000007FEF3360000-0x000007FEF3EBD000-memory.dmp

      Filesize

      11.4MB

      Download

    • memory/1984-58-0x00000000026C0000-0x00000000026C2000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1984-59-0x00000000026C2000-0x00000000026C4000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1984-60-0x00000000026C4000-0x00000000026C7000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1984-61-0x000000001B810000-0x000000001BB0F000-memory.dmp

      Filesize

      3.0MB

      Download

    • memory/1984-62-0x00000000026CB000-0x00000000026EA000-memory.dmp

      Filesize

      124KB

      Download