General

  • Target

    fb25ae4ad306c725f65805a5860afbc2_JaffaCakes118

  • Size

    348KB

  • Sample

    241218-mdarfawlfn

  • MD5

    fb25ae4ad306c725f65805a5860afbc2

  • SHA1

    95f37a9897a9e87ebeac02af07dad74e065f5402

  • SHA256

    ff643671b6b76520a3a2478674914bd64ff41c7de9021e77bdeeb78df2b4a807

  • SHA512

    8f2e1467d576be29937bd58586b8e1678b68f17b51579610fc4d51aca8d80ae1491f3704a9f7459165197fec2b61b68a919e11477560aa9665fc4ac461d29eb7

  • SSDEEP

    6144:9TXaPzWvU+vHkRBo1lY9djE7aQCzY6/4d2GOuSkvHCJ0nJFIARNeb9BDGkWi:6TAY9G7ao6MnOuSl6wNb9tGkn

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+pnvlc.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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/498F10E2EBCBAB79 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/498F10E2EBCBAB79 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/498F10E2EBCBAB79 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/498F10E2EBCBAB79 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/498F10E2EBCBAB79 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/498F10E2EBCBAB79 http://yyre45dbvn2nhbefbmh.begumvelic.at/498F10E2EBCBAB79 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/498F10E2EBCBAB79
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/498F10E2EBCBAB79

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/498F10E2EBCBAB79

http://yyre45dbvn2nhbefbmh.begumvelic.at/498F10E2EBCBAB79

http://xlowfznrg4wf7dli.ONION/498F10E2EBCBAB79

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+ctpeb.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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1A1DE04B66E42540 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1A1DE04B66E42540 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/1A1DE04B66E42540 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/1A1DE04B66E42540 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1A1DE04B66E42540 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1A1DE04B66E42540 http://yyre45dbvn2nhbefbmh.begumvelic.at/1A1DE04B66E42540 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/1A1DE04B66E42540
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1A1DE04B66E42540

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1A1DE04B66E42540

http://yyre45dbvn2nhbefbmh.begumvelic.at/1A1DE04B66E42540

http://xlowfznrg4wf7dli.ONION/1A1DE04B66E42540

Targets

    • Target

      fb25ae4ad306c725f65805a5860afbc2_JaffaCakes118

    • Size

      348KB

    • MD5

      fb25ae4ad306c725f65805a5860afbc2

    • SHA1

      95f37a9897a9e87ebeac02af07dad74e065f5402

    • SHA256

      ff643671b6b76520a3a2478674914bd64ff41c7de9021e77bdeeb78df2b4a807

    • SHA512

      8f2e1467d576be29937bd58586b8e1678b68f17b51579610fc4d51aca8d80ae1491f3704a9f7459165197fec2b61b68a919e11477560aa9665fc4ac461d29eb7

    • SSDEEP

      6144:9TXaPzWvU+vHkRBo1lY9djE7aQCzY6/4d2GOuSkvHCJ0nJFIARNeb9BDGkWi:6TAY9G7ao6MnOuSl6wNb9tGkn

    • 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 (422) 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks