General

  • Target

    c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118

  • Size

    336KB

  • Sample

    241205-f6m4xa1kb1

  • MD5

    c61f29c47fcfa462ea273b231d8d5ec1

  • SHA1

    72c9f9428992c9f19a4a18afa2244b8637b11d47

  • SHA256

    8a1a7fe83079ac76476b2c67ccd80cfe8dec0807fcd4336a9f5ad9a380a07fcd

  • SHA512

    12e97acfc3791ebad0e6befd594de27c1cf30824d4cabe80dd605618f5c32df0c826a0fbb177b7226474ed9c4fd41065c3b6d443fb250a9b371986684d402357

  • SSDEEP

    6144:g1w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:gi0Uu6ikyjcuk5y0hXaxpKkB

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+ftafs.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EE7C04285F9DB 2. http://tes543berda73i48fsdfsd.keratadze.at/EE7C04285F9DB 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EE7C04285F9DB 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/EE7C04285F9DB 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EE7C04285F9DB http://tes543berda73i48fsdfsd.keratadze.at/EE7C04285F9DB http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EE7C04285F9DB *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/EE7C04285F9DB
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EE7C04285F9DB

http://tes543berda73i48fsdfsd.keratadze.at/EE7C04285F9DB

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EE7C04285F9DB

http://xlowfznrg4wf7dli.ONION/EE7C04285F9DB

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+mhjfi.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/90E84BE4449BB097 2. http://tes543berda73i48fsdfsd.keratadze.at/90E84BE4449BB097 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/90E84BE4449BB097 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/90E84BE4449BB097 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/90E84BE4449BB097 http://tes543berda73i48fsdfsd.keratadze.at/90E84BE4449BB097 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/90E84BE4449BB097 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/90E84BE4449BB097
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/90E84BE4449BB097

http://tes543berda73i48fsdfsd.keratadze.at/90E84BE4449BB097

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/90E84BE4449BB097

http://xlowfznrg4wf7dli.ONION/90E84BE4449BB097

Targets

    • Target

      c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118

    • Size

      336KB

    • MD5

      c61f29c47fcfa462ea273b231d8d5ec1

    • SHA1

      72c9f9428992c9f19a4a18afa2244b8637b11d47

    • SHA256

      8a1a7fe83079ac76476b2c67ccd80cfe8dec0807fcd4336a9f5ad9a380a07fcd

    • SHA512

      12e97acfc3791ebad0e6befd594de27c1cf30824d4cabe80dd605618f5c32df0c826a0fbb177b7226474ed9c4fd41065c3b6d443fb250a9b371986684d402357

    • SSDEEP

      6144:g1w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:gi0Uu6ikyjcuk5y0hXaxpKkB

    • 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 (430) 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