General

  • Target

    READS.exe

  • Size

    53KB

  • Sample

    210918-nkawfshcd7

  • MD5

    9bd839a710177cf31625c09e321418ba

  • SHA1

    82ebafbffb2ff94b91c037d5b51561d726ec32c5

  • SHA256

    3e526ba55e9dc43928b592e879aa2ea896681e709a22c6b0b8911d6f264ed63c

  • SHA512

    d3974db692f256f7733ccbf5d130bdcdcc18d18147b0522e8b0a3c10161604c1ee23e651cd132e3e61d81ff99c8af5a24abf465426aedc6dca1baa7adb53fc34

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\how_to_back_files.html

Family

medusalocker

Ransom Note
Your personal ID: ����������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ll your important files have been encrypted! Your files are safe! Only modified. (RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. Contact us for price and get decryption software. .onion * Note that this server is available via Tor browser only Follow the instructions to open the link: 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site. 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it. 3. Now you have Tor browser. In the Tor Browser open .onion 4. Start a chat and follow the further instructions. If you can not use the above link, use the email: [email protected] [email protected] * To contact us, create a new free email account on the site: protonmail.com IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER. ���������

Extracted

Path

C:\Users\Admin\Desktop\how_to_back_files.html

Family

medusalocker

Ransom Note
Your personal ID: ����������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ll your important files have been encrypted! Your files are safe! Only modified. (RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. Contact us for price and get decryption software. .onion * Note that this server is available via Tor browser only Follow the instructions to open the link: 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site. 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it. 3. Now you have Tor browser. In the Tor Browser open .onion 4. Start a chat and follow the further instructions. If you can not use the above link, use the email: [email protected] [email protected] * To contact us, create a new free email account on the site: protonmail.com IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER. ���������

Targets

    • Target

      READS.exe

    • Size

      53KB

    • MD5

      9bd839a710177cf31625c09e321418ba

    • SHA1

      82ebafbffb2ff94b91c037d5b51561d726ec32c5

    • SHA256

      3e526ba55e9dc43928b592e879aa2ea896681e709a22c6b0b8911d6f264ed63c

    • SHA512

      d3974db692f256f7733ccbf5d130bdcdcc18d18147b0522e8b0a3c10161604c1ee23e651cd132e3e61d81ff99c8af5a24abf465426aedc6dca1baa7adb53fc34

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v6

Tasks