Overview

overview

10

Static

static

3

VirusShare...1e.exe

windows7-x64

10

VirusShare...1e.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    VirusShare_1ba9ad23fa2182f7408878545d52fd1e
  • Size 608KB
  • Sample240610-mslr9agf99
  • SHA256 39b5dd803071ebc4590a51c7d25e15eeddf2f4dcb27950ebfe80c4315432b3c1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
  • __!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! 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) 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. 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 BITCOIN 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://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/6AF93FD9519D1CE0 2. http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/6AF93FD9519D1CE0 3. http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/6AF93FD9519D1CE0 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: fwgrhsao3aoml7ej.onion/6AF93FD9519D1CE0 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/6AF93FD9519D1CE0 http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/6AF93FD9519D1CE0 http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/6AF93FD9519D1CE0 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/6AF93FD9519D1CE0 !!! Your personal identification ID: 6AF93FD9519D1CE0
URLs

  • http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/6AF93FD9519D1CE0

  • http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/6AF93FD9519D1CE0

  • http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/6AF93FD9519D1CE0

  • http://fwgrhsao3aoml7ej.onion/6AF93FD9519D1CE0

Extracted

Path

  • C:\Program Files\7-Zip\Lang\_H_e_l_p_RECOVER_INSTRUCTIONS+kgj.txt

Ransom Note
  • __!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! 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) 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. 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 BITCOIN 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://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/CDE3EE65E44010 2. http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/CDE3EE65E44010 3. http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/CDE3EE65E44010 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: fwgrhsao3aoml7ej.onion/CDE3EE65E44010 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/CDE3EE65E44010 http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/CDE3EE65E44010 http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/CDE3EE65E44010 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/CDE3EE65E44010 !!! Your personal identification ID: CDE3EE65E44010
URLs

  • http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/CDE3EE65E44010

  • http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/CDE3EE65E44010

  • http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/CDE3EE65E44010

  • http://fwgrhsao3aoml7ej.onion/CDE3EE65E44010

Targets

    • Target
      VirusShare_1ba9ad23fa2182f7408878545d52fd1e
    • Size 608KB
    • SHA256 39b5dd803071ebc4590a51c7d25e15eeddf2f4dcb27950ebfe80c4315432b3c1
    • 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 (433) files with added filename extension

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

      ransomware

    • Adds policy Run key to start application

      persistence

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks