General

  • Target

    6a1dd1d327f60aee8509df877c8dc38c_JaffaCakes118

  • Size

    608KB

  • Sample

    241022-mya8pstbmr

  • MD5

    6a1dd1d327f60aee8509df877c8dc38c

  • SHA1

    a2246029749e47a2532b016f80f5132f431e712f

  • SHA256

    3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

  • SHA512

    c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

  • SSDEEP

    12288:Ax5WAOBdN/sM6Bn6fKzh1N4mZSZjCQm+OHAp3T2FWdP8CQm+OHAp3T2F99V:OsAOBL/sM6Bn6fKzh1N4mZSbF3HdPmFe

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\RECOVER+dhkdm.TXT

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 RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) 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. 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://akdfrefdkm45tf33fsdfsdf.yamenswash.com/839158AD8C517484 2. http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/839158AD8C517484 3. http://nn54djhfnrnm4dnjnerfsd.replylaten.at/839158AD8C517484 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: fwgrhsao3aoml7ej.onion/839158AD8C517484 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/839158AD8C517484 http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/839158AD8C517484 http://nn54djhfnrnm4dnjnerfsd.replylaten.at/839158AD8C517484 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/839158AD8C517484 !!! Your personal identification ID: 839158AD8C517484
URLs

http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/839158AD8C517484

http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/839158AD8C517484

http://nn54djhfnrnm4dnjnerfsd.replylaten.at/839158AD8C517484

http://fwgrhsao3aoml7ej.onion/839158AD8C517484

Extracted

Path

C:\Program Files\7-Zip\Lang\RECOVER+khowk.TXT

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 RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) 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. 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://akdfrefdkm45tf33fsdfsdf.yamenswash.com/DB61BDA74E94356 2. http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/DB61BDA74E94356 3. http://nn54djhfnrnm4dnjnerfsd.replylaten.at/DB61BDA74E94356 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: fwgrhsao3aoml7ej.onion/DB61BDA74E94356 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/DB61BDA74E94356 http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/DB61BDA74E94356 http://nn54djhfnrnm4dnjnerfsd.replylaten.at/DB61BDA74E94356 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/DB61BDA74E94356 !!! Your personal identification ID: DB61BDA74E94356
URLs

http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/DB61BDA74E94356

http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/DB61BDA74E94356

http://nn54djhfnrnm4dnjnerfsd.replylaten.at/DB61BDA74E94356

http://fwgrhsao3aoml7ej.onion/DB61BDA74E94356

Targets

    • Target

      6a1dd1d327f60aee8509df877c8dc38c_JaffaCakes118

    • Size

      608KB

    • MD5

      6a1dd1d327f60aee8509df877c8dc38c

    • SHA1

      a2246029749e47a2532b016f80f5132f431e712f

    • SHA256

      3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

    • SHA512

      c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

    • SSDEEP

      12288:Ax5WAOBdN/sM6Bn6fKzh1N4mZSZjCQm+OHAp3T2FWdP8CQm+OHAp3T2F99V:OsAOBL/sM6Bn6fKzh1N4mZSbF3HdPmFe

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (407) 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks