Overview

overview

10

Static

static

10

8585efc472...ae.exe

windows7_x64

10

8585efc472...ae.exe

windows10_x64

10

Analysis

  • max time kernel
    169s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/01/2022, 01:40

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General

  • Target

    8585efc4727ac9013cb484669564f7e8cabf3693a1b2829f94c9da071349c1ae.exe

  • Size

    164KB

  • MD5

    0c6ad43c1a6fe188973794f4efade26a

  • SHA1

    f13a8ef503b1b162d605295c9d3a003f020e273f

  • SHA256

    8585efc4727ac9013cb484669564f7e8cabf3693a1b2829f94c9da071349c1ae

  • SHA512

    aa57df77ce07f851e4f0747e400b265fd8af8f92d594e01f39d645e3518b2d9783ea4217c01e8e99f69e37b927f045f393f9a03b5ad993a7da925525f83f734f

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\3am9o71-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 3am9o71. 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/40EA42C242169F57 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/40EA42C242169F57 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: RqQFlLjOv+ezvFvtqTvMyCZCjSI+9IFA+3dXJ0EYJodjMvk4UrsNZ5ELh2YIjs7F Rl/btbtJ8LeZALkMuwfbq+HidTQIPbplgWwk2U9ZTCQYD38P8h3CJi6AB9TYxEGD vew/J9/mnMIxF2heTXWzoxp+n9BipO6qoW17WKSTu0FTY/nKQ0oT1TC8P7JLCmmG RCgSPyms1HLvKf5sahk8nugrRnhcR9l7IKZaKx5q+DTtM5BUULI9Gmzib9zqpKfX vLTiVPOD3qxR/WAaUQGuEgEgtAbcxkk55U1eYdr8WfynduyxJhD6kQ7milGPOhY0 E/MjURJNFfU2SbsRChYmqRdCkFZvcf88Le0BpnA+001SGk4ZihE8NtQWr8iaSLLQ jgRm5pAAFGt7PsQxom0Qw4M2COaJ71dIctz7bSLx978qgH0nJDUoKb8wXnt4dMz7 4DOKWKyLLkdCN6aeppDPX7bTAyu3EKh/UnNkS0SuOB2C3PwVMnAkOrr+4GgMUx1B 2wi6YB94qw/3VEylkLFKQgsM35qDJB3N/GkEa5hk3UMfJGquS9EDzngAaOU7KGbi bTNHMMLzvL2+hs+1o82bop96rHM6elgjswmQJil84WuE/1Auu1ml3/IJeKih6jJl DzS5uUnsZ6NhQwJ+khmXy8ihnfiGqYLWUlJMjHtL/AcA2hQl1K5IGK1IVJSEdtGv m3971MG4E6hoSbCpfYOv/KBrJ6fdoM3+3oIh/LKWBBr6VsGx0tTNTwtuP2CLuHIO OYICy3EaBjxpEzjDJyXoPh+m8yGLsckyvLtA7Q5qt3ScYWBncM6AMrtJVrGgi0xM HE/yMsdXPRqlz6yq8A5nG8hYNX11lFunygRQLy1QVklVQuetPLn+vRAEeCg2emgE 05LutyNNGiuKJJCbhA5TRMYPonqI0MN41OI8KAP4CCNmIXji8JCGc2PeqDHyfaQM FEU+KLS113o80f5RcNqwZN8zoMG2IdbtW/cftlq1tlFH1a9fo4yGTXmy78j9YRL7 +LNF6vrRRjXzKt9A6Ov+VgRprVMdA+E7rcypClBYpigFQceqFdxulQoFWuzbxz6w PWUOoELOmp5qFb3dHQ7a8IQbsE0kkBQ1HVy4BUk8NkHGZ0tuWXQ612bng4Qd7w== Extension name: 3am9o71 ----------------------------------------------------------------------------------------- !!! 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/40EA42C242169F57

http://decryptor.top/40EA42C242169F57

Signatures

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8585efc4727ac9013cb484669564f7e8cabf3693a1b2829f94c9da071349c1ae.exe
    "C:\Users\Admin\AppData\Local\Temp\8585efc4727ac9013cb484669564f7e8cabf3693a1b2829f94c9da071349c1ae.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3312
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:1196
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:672

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/3312-123-0x000001E9FEE20000-0x000001E9FEE42000-memory.dmp

            Filesize

            136KB

            Download

          • memory/3312-124-0x000001E9FEEB0000-0x000001E9FEEB2000-memory.dmp

            Filesize

            8KB

            Download

          • memory/3312-126-0x000001E9FEEB3000-0x000001E9FEEB5000-memory.dmp

            Filesize

            8KB

            Download

          • memory/3312-128-0x000001E9FF9D0000-0x000001E9FFA46000-memory.dmp

            Filesize

            472KB

            Download