Overview

overview

10

Static

static

3

VirusShare...ab.exe

windows7-x64

10

VirusShare...ab.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    VirusShare_3b8c3c00dc30a34b4b9b205a6f93caab
  • Size 344KB
  • Sample240610-1g9ltssbpp
  • SHA256 1c144b77a916b914d55fc2dc31e834b50577e08cba1c25a7f7f1ec5cccbb51ac
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+xng.txt

Ransom Note
  • 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 How did this happen ? ---Specially for your PC was generated personal RSA-4096 KEY, both public and private. ---ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BTC NOW, and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://vr6g2curb2kcidou.encpayment23.com/CECDC76B8E9C6525 2. http://vr6g2curb2kcidou.expay34.com/CECDC76B8E9C6525 3. http://psbc532jm8c.hsh73cu37n1.net/CECDC76B8E9C6525 4. https://vr6g2curb2kcidou.onion.to/CECDC76B8E9C6525 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: vr6g2curb2kcidou.onion/CECDC76B8E9C6525 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://vr6g2curb2kcidou.encpayment23.com/CECDC76B8E9C6525 http://vr6g2curb2kcidou.expay34.com/CECDC76B8E9C6525 http://psbc532jm8c.hsh73cu37n1.net/CECDC76B8E9C6525 https://vr6g2curb2kcidou.onion.to/CECDC76B8E9C6525 Your personal page (using TOR-Browser): vr6g2curb2kcidou.onion/CECDC76B8E9C6525 Your personal identification number (if you open the site (or TOR-Browser's) directly): CECDC76B8E9C6525 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
URLs

  • http://vr6g2curb2kcidou.encpayment23.com/CECDC76B8E9C6525

  • http://vr6g2curb2kcidou.expay34.com/CECDC76B8E9C6525

  • http://psbc532jm8c.hsh73cu37n1.net/CECDC76B8E9C6525

  • https://vr6g2curb2kcidou.onion.to/CECDC76B8E9C6525

  • http://vr6g2curb2kcidou.onion/CECDC76B8E9C6525

Extracted

Path

  • C:\Program Files\7-Zip\Lang\how_recover+fjg.txt

Ransom Note
  • 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 How did this happen ? ---Specially for your PC was generated personal RSA-4096 KEY, both public and private. ---ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BTC NOW, and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://vr6g2curb2kcidou.encpayment23.com/CA1C81BA8C883569 2. http://vr6g2curb2kcidou.expay34.com/CA1C81BA8C883569 3. http://psbc532jm8c.hsh73cu37n1.net/CA1C81BA8C883569 4. https://vr6g2curb2kcidou.onion.to/CA1C81BA8C883569 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: vr6g2curb2kcidou.onion/CA1C81BA8C883569 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://vr6g2curb2kcidou.encpayment23.com/CA1C81BA8C883569 http://vr6g2curb2kcidou.expay34.com/CA1C81BA8C883569 http://psbc532jm8c.hsh73cu37n1.net/CA1C81BA8C883569 https://vr6g2curb2kcidou.onion.to/CA1C81BA8C883569 Your personal page (using TOR-Browser): vr6g2curb2kcidou.onion/CA1C81BA8C883569 Your personal identification number (if you open the site (or TOR-Browser's) directly): CA1C81BA8C883569 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
URLs

  • http://vr6g2curb2kcidou.encpayment23.com/CA1C81BA8C883569

  • http://vr6g2curb2kcidou.expay34.com/CA1C81BA8C883569

  • http://psbc532jm8c.hsh73cu37n1.net/CA1C81BA8C883569

  • https://vr6g2curb2kcidou.onion.to/CA1C81BA8C883569

  • http://vr6g2curb2kcidou.onion/CA1C81BA8C883569

Targets

    • Target
      VirusShare_3b8c3c00dc30a34b4b9b205a6f93caab
    • Size 344KB
    • SHA256 1c144b77a916b914d55fc2dc31e834b50577e08cba1c25a7f7f1ec5cccbb51ac
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (369) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks