General

  • Target

    f434ffb5c0ee41107301cdd2870b8cb3_JaffaCakes118

  • Size

    500KB

  • Sample

    241215-qnnb3axkdm

  • MD5

    f434ffb5c0ee41107301cdd2870b8cb3

  • SHA1

    0f07886af55ecc7b12f6e16fbe2ab58d72f7293e

  • SHA256

    905c987270df31e328c785f35f4b106624137a71e3785d31af946dd525218211

  • SHA512

    3743ad61166066c9393880c54434f9e4dcaafdbd16df737d2e43c27c567e7b0ea20790ca8fe9dcbed775184863cc82e52217ebb9ba771dff4f5dfb43666dde12

  • SSDEEP

    6144:2+5uzIF/dV6GdE98vJwvw8AWLG1qSrX6T26WyJNh:V5uzKdzd7RazYtT6Xh

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+fuwmo.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/B0655EE562323FC4 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B0655EE562323FC4 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B0655EE562323FC4 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/B0655EE562323FC4 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B0655EE562323FC4 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B0655EE562323FC4 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B0655EE562323FC4 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/B0655EE562323FC4
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B0655EE562323FC4

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/B0655EE562323FC4

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/B0655EE562323FC4

http://xlowfznrg4wf7dli.ONION/B0655EE562323FC4

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+koamm.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/1441D4878A9831B 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1441D4878A9831B 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1441D4878A9831B 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/1441D4878A9831B 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1441D4878A9831B http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1441D4878A9831B http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1441D4878A9831B Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/1441D4878A9831B
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1441D4878A9831B

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1441D4878A9831B

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1441D4878A9831B

http://xlowfznrg4wf7dli.ONION/1441D4878A9831B

Targets

    • Target

      f434ffb5c0ee41107301cdd2870b8cb3_JaffaCakes118

    • Size

      500KB

    • MD5

      f434ffb5c0ee41107301cdd2870b8cb3

    • SHA1

      0f07886af55ecc7b12f6e16fbe2ab58d72f7293e

    • SHA256

      905c987270df31e328c785f35f4b106624137a71e3785d31af946dd525218211

    • SHA512

      3743ad61166066c9393880c54434f9e4dcaafdbd16df737d2e43c27c567e7b0ea20790ca8fe9dcbed775184863cc82e52217ebb9ba771dff4f5dfb43666dde12

    • SSDEEP

      6144:2+5uzIF/dV6GdE98vJwvw8AWLG1qSrX6T26WyJNh:V5uzKdzd7RazYtT6Xh

    • 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.

MITRE ATT&CK Enterprise v15

Tasks