General

  • Target

    4dfe4c39a2fd59468846db496907d434_JaffaCakes118

  • Size

    348KB

  • Sample

    241016-vjaydsvcll

  • MD5

    4dfe4c39a2fd59468846db496907d434

  • SHA1

    8bae5802d45f2fb13ab922e426e91f3dd4b3298a

  • SHA256

    d9a8590ac181b7667995f283396bfd00d77d949584ad3435869c341a55fa869c

  • SHA512

    907a70aac451651b84a1da7deeb7339d4bf3ccd904f8556b8d466b2fdf5da8eba7f280c9c93420cc12d07e9792991797b94c5b2d39fe6d8ddf8bec1a8681df0d

  • SSDEEP

    6144:guTS7jkGKlY1DI/D4ANTLfWHenmxadef3msPbnSLavUg0T1SmhGMvX/J+:guTS7BKxDfTLuHenmx5msPbnSLavUwSx

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+itp.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/4F4F39DF696A9A2 2. http://vr6g2curb2kcidou.expay34.com/4F4F39DF696A9A2 3. http://psbc532jm8c.hsh73cu37n1.net/4F4F39DF696A9A2 4. https://vr6g2curb2kcidou.onion.to/4F4F39DF696A9A2 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/4F4F39DF696A9A2 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://vr6g2curb2kcidou.encpayment23.com/4F4F39DF696A9A2 http://vr6g2curb2kcidou.expay34.com/4F4F39DF696A9A2 http://psbc532jm8c.hsh73cu37n1.net/4F4F39DF696A9A2 https://vr6g2curb2kcidou.onion.to/4F4F39DF696A9A2 Your personal page (using TOR-Browser): vr6g2curb2kcidou.onion/4F4F39DF696A9A2 Your personal identification number (if you open the site (or TOR-Browser's) directly): 4F4F39DF696A9A2 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
URLs

http://vr6g2curb2kcidou.encpayment23.com/4F4F39DF696A9A2

http://vr6g2curb2kcidou.expay34.com/4F4F39DF696A9A2

http://psbc532jm8c.hsh73cu37n1.net/4F4F39DF696A9A2

https://vr6g2curb2kcidou.onion.to/4F4F39DF696A9A2

http://vr6g2curb2kcidou.onion/4F4F39DF696A9A2

Extracted

Path

C:\Program Files\7-Zip\Lang\how_recover+jec.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/BAEBFFB0CA96F336 2. http://vr6g2curb2kcidou.expay34.com/BAEBFFB0CA96F336 3. http://psbc532jm8c.hsh73cu37n1.net/BAEBFFB0CA96F336 4. https://vr6g2curb2kcidou.onion.to/BAEBFFB0CA96F336 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/BAEBFFB0CA96F336 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://vr6g2curb2kcidou.encpayment23.com/BAEBFFB0CA96F336 http://vr6g2curb2kcidou.expay34.com/BAEBFFB0CA96F336 http://psbc532jm8c.hsh73cu37n1.net/BAEBFFB0CA96F336 https://vr6g2curb2kcidou.onion.to/BAEBFFB0CA96F336 Your personal page (using TOR-Browser): vr6g2curb2kcidou.onion/BAEBFFB0CA96F336 Your personal identification number (if you open the site (or TOR-Browser's) directly): BAEBFFB0CA96F336 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
URLs

http://vr6g2curb2kcidou.encpayment23.com/BAEBFFB0CA96F336

http://vr6g2curb2kcidou.expay34.com/BAEBFFB0CA96F336

http://psbc532jm8c.hsh73cu37n1.net/BAEBFFB0CA96F336

https://vr6g2curb2kcidou.onion.to/BAEBFFB0CA96F336

http://vr6g2curb2kcidou.onion/BAEBFFB0CA96F336

Targets

    • Target

      4dfe4c39a2fd59468846db496907d434_JaffaCakes118

    • Size

      348KB

    • MD5

      4dfe4c39a2fd59468846db496907d434

    • SHA1

      8bae5802d45f2fb13ab922e426e91f3dd4b3298a

    • SHA256

      d9a8590ac181b7667995f283396bfd00d77d949584ad3435869c341a55fa869c

    • SHA512

      907a70aac451651b84a1da7deeb7339d4bf3ccd904f8556b8d466b2fdf5da8eba7f280c9c93420cc12d07e9792991797b94c5b2d39fe6d8ddf8bec1a8681df0d

    • SSDEEP

      6144:guTS7jkGKlY1DI/D4ANTLfWHenmxadef3msPbnSLavUg0T1SmhGMvX/J+:guTS7BKxDfTLuHenmx5msPbnSLavUwSx

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (414) 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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • 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

MITRE ATT&CK Enterprise v15

Tasks