General

  • Target

    e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118

  • Size

    396KB

  • Sample

    241212-aaymwaxnhq

  • MD5

    e3c7a712d0aa4db4b62ca2a2abc3af89

  • SHA1

    80ebc294329a7d40e6ac13feedf0b5554fdf8a38

  • SHA256

    c46d526ed752a808427220c412135972ed2fbfac2476b9fcd6b74b330e4dc9a3

  • SHA512

    814df1437244043bfd5a7803b208695badc87b3a862f24f25b838b8eaee82c91314d5fdd2f52286494fd2499da48a1efb4738235eddc94bd04b7dc14d4cde8fb

  • SSDEEP

    6144:Z0sTdSkul5CpfZsu43jx0HdEouuj5axxn7JCpIKxZU/bc92A6mJOl:qG7pfZsu43d0HdEFuj5EpNbWAcsoOl

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+agtxt.txt

Family

teslacrypt

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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A3DB5B3EB7FF385 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A3DB5B3EB7FF385 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A3DB5B3EB7FF385 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 3. Type in the address bar: xlowfznrg4wf7dli.onion/A3DB5B3EB7FF385 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A3DB5B3EB7FF385 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A3DB5B3EB7FF385 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A3DB5B3EB7FF385 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/A3DB5B3EB7FF385
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A3DB5B3EB7FF385

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A3DB5B3EB7FF385

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A3DB5B3EB7FF385

http://xlowfznrg4wf7dli.ONION/A3DB5B3EB7FF385

Extracted

Path

C:\Program Files\7-Zip\Lang\_RECoVERY_+qrhxi.txt

Family

teslacrypt

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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/519F19C117E8F74A 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/519F19C117E8F74A 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/519F19C117E8F74A 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 3. Type in the address bar: xlowfznrg4wf7dli.onion/519F19C117E8F74A 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/519F19C117E8F74A http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/519F19C117E8F74A http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/519F19C117E8F74A *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/519F19C117E8F74A
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/519F19C117E8F74A

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/519F19C117E8F74A

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/519F19C117E8F74A

http://xlowfznrg4wf7dli.ONION/519F19C117E8F74A

Targets

    • Target

      e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118

    • Size

      396KB

    • MD5

      e3c7a712d0aa4db4b62ca2a2abc3af89

    • SHA1

      80ebc294329a7d40e6ac13feedf0b5554fdf8a38

    • SHA256

      c46d526ed752a808427220c412135972ed2fbfac2476b9fcd6b74b330e4dc9a3

    • SHA512

      814df1437244043bfd5a7803b208695badc87b3a862f24f25b838b8eaee82c91314d5fdd2f52286494fd2499da48a1efb4738235eddc94bd04b7dc14d4cde8fb

    • SSDEEP

      6144:Z0sTdSkul5CpfZsu43jx0HdEouuj5axxn7JCpIKxZU/bc92A6mJOl:qG7pfZsu43d0HdEFuj5EpNbWAcsoOl

    • TeslaCrypt, AlphaCrypt

      Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    • Teslacrypt family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (419) 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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks