Overview

overview

10

Static

static

10

662dd60f22...00.exe

windows7_x64

10

662dd60f22...00.exe

windows10_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:55

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General

  • Target

    662dd60f22113b917cfec6a6ff1a3817122919fa6f0d390b6d570f896c6add00.exe

  • Size

    115KB

  • MD5

    f14128a3c45fdb8fc7beaf570d833560

  • SHA1

    3da6ff8bffd61e763292ac3d83ac73c7d59029b8

  • SHA256

    662dd60f22113b917cfec6a6ff1a3817122919fa6f0d390b6d570f896c6add00

  • SHA512

    f7f1b7ca40ca63eeda579530151e4f961c6dbeae68633c4c113f42b898c3c777763cb1645c47298fea15ac787317424ede0fc57da8af9b98d0f5654155262cd2

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\gd2238-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 gd2238. 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/EC0C7DA7778A0743 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/EC0C7DA7778A0743 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: oKgslp0ePKNqQcLwwwHlGNt9XaulBCUd6EV/vp9EZf0UBn+16HVVmZOybOJ8IC+K BezOgTl9Q0bikvLPZTBviYmpTTpOh1ITG9jw1tV4pQpQrFAQ+XA2Sdxbt7rT2Saq 7xJ9OWMw3vigEnYG8DAkXBqI2UYC1SbMqDdpjjUxaId84VYbMPEf7X8++bQdLNpk 5kEILBWaGSPVyyJtG2ELyRF4qdB8nIYUZE/mWWQaZy4qsXRbyXTegPa1pU6rc/p1 6nQmBztWW3kGb+9W9klW+uh3/a4Oq7gikTBJXCxcHaCNLU5FukYq+1c+Zwn+PIfi ePSs0nvMu0OQl6pUQSowaKmzanCqmsBH1aDSXKPKZYt268zrcwyn0Z5G14B0qzG6 T/+K9bwGGjlXcw98oIkL78WHQxlX0XOGHvWbHZy3anurgnbieJ6BjKQLMm9ElDSB 3LFe3wxaJ3AAP0YmWL4qGPKydhYZFiK5nMTD7s6dIxqTE5BvBk/MedCBzL+Z6gsH Lt0TKZLHbvGuyWPKkEnO+i3Vis1Q1H9u0HM6ugXyGxm1YT8OA2k3gd480zblnp/i 8oqWOvnD/vq6ed4pLiJz4ZX1t3fWobq64lmmiTtMcd7gmirPO4lSj550AabVK+sX o6Mn7P1omm+Cs4m9MJtdJ7iN7BmbyiCp/hDlA/1sw32r3RW1sLTaOkAkUQxLJbgR oqHd2+BJO312uuhyLlwl0rZuEgj16ZJNZRLDHQEWpKgEorSa66IXN4QQugn0tb3/ 8JkMlKJ3guCJkrrxP2BdFkacjI4iji3MTlU0wzQFf2bRMzRPar3yl5nSZ0ugluOn m/fQa1ppqpYfFyRSrT7fnh4NhvAGkTSfVwXq3YNj+bY11gRP3zNh7NHZNSzj4SsJ FKYzEalEnyaPH1qFxLy9IIByLXpYq/gaX/y8ZzUv8UOarYXPN1CO9QkFXFG5cClU OciL2LChUJvVfmwmj5e6PWhS/mlLO3KEvPtQcWmys51Zy8GACrhyPWDZFHE2BDgF 7ZWaLZChFDuevovW47NOOku00Sv340q1r2sJedHAmS1h5OSvCDnTXA/vfvhVJZxj SbbvP0LBMWPf+sYiZOzaZsOqv2kU+q5J7blkuy5KV49137Kxy4rPqoqJBUOMDcDE zBdOXWOFuUlEue4kGMwxozKvpDdM58xt4sIFVVEqWpSkJ+5UJ3tFL6XuXcRI5klH SEbvcK7wZZ3hkGlepEZ66ME+KJu4EoSHKmDhaMt4egtszOcBNnk6Aber7TnIWSoE A2AeqroN4kff2xihV2VJ0w== Extension name: gd2238 ----------------------------------------------------------------------------------------- postscript: In case you want to independently decrypt your servers, we will be forced to put the databases of your companies in the public domain. MDF files: DB_UTILITY LeasePlus LPSecurity LTShared PaperVision !!! 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/EC0C7DA7778A0743

http://decryptor.cc/EC0C7DA7778A0743

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 17 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 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\662dd60f22113b917cfec6a6ff1a3817122919fa6f0d390b6d570f896c6add00.exe
    "C:\Users\Admin\AppData\Local\Temp\662dd60f22113b917cfec6a6ff1a3817122919fa6f0d390b6d570f896c6add00.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:372
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2376
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:400

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/372-123-0x0000026643CF0000-0x0000026643D12000-memory.dmp
      Filesize

      136KB

      Download
    • memory/372-127-0x000002665DFD0000-0x000002665E046000-memory.dmp
      Filesize

      472KB

      Download
    • memory/372-134-0x0000026643D60000-0x000002665BE80000-memory.dmp
      Filesize

      385.1MB

      Download
    • memory/372-135-0x0000026643D60000-0x000002665BE80000-memory.dmp
      Filesize

      385.1MB

      Download