General

  • Target

    VirusShare_6f7abbc706baecf6e86cde729475dc7d

  • Size

    604KB

  • Sample

    240610-nrtl5shd3w

  • MD5

    6f7abbc706baecf6e86cde729475dc7d

  • SHA1

    00a55e2ae828f928770fdd1c59da361198fba382

  • SHA256

    85e3772d5502b9f5251843b3884788ab6c4d44af761900c787d36e1d5586244c

  • SHA512

    70b80ff7efeac45dc3cbaeb5b5a3b4f774dd3f61c08801fe43c5a086e8372ba199ea9f676ab3ceb9dd4d5332ebd5db79616460496632da831a51b21753f61092

  • SSDEEP

    12288:PsEXei41jA1WnzVSxq5p1qHVXACWOEogk3pmIc5A1WnzVSxq5p1qH:PsEX341jA1wBSggHlpp3r0A1wBSggH

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+riuhr.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://ert54nfh6hdshbw4f.nursespelk.com/263CE93022E9487 2. http://kk4dshfjn45tsnkdf34fg.tatiejava.at/263CE93022E9487 3. http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/263CE93022E9487 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/263CE93022E9487 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://ert54nfh6hdshbw4f.nursespelk.com/263CE93022E9487 http://kk4dshfjn45tsnkdf34fg.tatiejava.at/263CE93022E9487 http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/263CE93022E9487 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/263CE93022E9487 !!! Your personal identification ID: 263CE93022E9487
URLs

http://ert54nfh6hdshbw4f.nursespelk.com/263CE93022E9487

http://kk4dshfjn45tsnkdf34fg.tatiejava.at/263CE93022E9487

http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/263CE93022E9487

http://fwgrhsao3aoml7ej.onion/263CE93022E9487

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+tkaiy.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://ert54nfh6hdshbw4f.nursespelk.com/6D518D48073B8D 2. http://kk4dshfjn45tsnkdf34fg.tatiejava.at/6D518D48073B8D 3. http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/6D518D48073B8D 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/6D518D48073B8D 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://ert54nfh6hdshbw4f.nursespelk.com/6D518D48073B8D http://kk4dshfjn45tsnkdf34fg.tatiejava.at/6D518D48073B8D http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/6D518D48073B8D !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/6D518D48073B8D !!! Your personal identification ID: 6D518D48073B8D
URLs

http://ert54nfh6hdshbw4f.nursespelk.com/6D518D48073B8D

http://kk4dshfjn45tsnkdf34fg.tatiejava.at/6D518D48073B8D

http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/6D518D48073B8D

http://fwgrhsao3aoml7ej.onion/6D518D48073B8D

Targets

    • Target

      VirusShare_6f7abbc706baecf6e86cde729475dc7d

    • Size

      604KB

    • MD5

      6f7abbc706baecf6e86cde729475dc7d

    • SHA1

      00a55e2ae828f928770fdd1c59da361198fba382

    • SHA256

      85e3772d5502b9f5251843b3884788ab6c4d44af761900c787d36e1d5586244c

    • SHA512

      70b80ff7efeac45dc3cbaeb5b5a3b4f774dd3f61c08801fe43c5a086e8372ba199ea9f676ab3ceb9dd4d5332ebd5db79616460496632da831a51b21753f61092

    • SSDEEP

      12288:PsEXei41jA1WnzVSxq5p1qHVXACWOEogk3pmIc5A1WnzVSxq5p1qH:PsEX341jA1wBSggHlpp3r0A1wBSggH

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (429) files with added filename extension

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

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks