General

  • Target

    a5eb9cf3b138e8466071ec20a6722b5c_JaffaCakes118

  • Size

    336KB

  • Sample

    241127-e6cshatpep

  • MD5

    a5eb9cf3b138e8466071ec20a6722b5c

  • SHA1

    5b8db28fdc2e40fd67b3de164eb9d904122e5cef

  • SHA256

    ea7be43ae12bab3a5c3e00a568f3b3564c9225a056960048eda72f9f8f9f690e

  • SHA512

    499af2dfd9997cd737ebdd758d7c84e36084d5db5cf1f2eb032fd496b549e808303eb73275e9ddf378e966972c1ddbab03174ba5b9b97fd4c75c2ba1e5d14a24

  • SSDEEP

    6144:81w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:8i0Uu6ikyjcuk5y0hXaxpKkB

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+mxjho.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/6FCD24062A01422 2. http://tes543berda73i48fsdfsd.keratadze.at/6FCD24062A01422 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6FCD24062A01422 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/6FCD24062A01422 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6FCD24062A01422 http://tes543berda73i48fsdfsd.keratadze.at/6FCD24062A01422 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6FCD24062A01422 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/6FCD24062A01422
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6FCD24062A01422

http://tes543berda73i48fsdfsd.keratadze.at/6FCD24062A01422

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6FCD24062A01422

http://xlowfznrg4wf7dli.ONION/6FCD24062A01422

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+voroo.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/6E3FEF74CCA5B55 2. http://tes543berda73i48fsdfsd.keratadze.at/6E3FEF74CCA5B55 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6E3FEF74CCA5B55 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/6E3FEF74CCA5B55 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6E3FEF74CCA5B55 http://tes543berda73i48fsdfsd.keratadze.at/6E3FEF74CCA5B55 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6E3FEF74CCA5B55 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/6E3FEF74CCA5B55
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6E3FEF74CCA5B55

http://tes543berda73i48fsdfsd.keratadze.at/6E3FEF74CCA5B55

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6E3FEF74CCA5B55

http://xlowfznrg4wf7dli.ONION/6E3FEF74CCA5B55

Targets

    • Target

      a5eb9cf3b138e8466071ec20a6722b5c_JaffaCakes118

    • Size

      336KB

    • MD5

      a5eb9cf3b138e8466071ec20a6722b5c

    • SHA1

      5b8db28fdc2e40fd67b3de164eb9d904122e5cef

    • SHA256

      ea7be43ae12bab3a5c3e00a568f3b3564c9225a056960048eda72f9f8f9f690e

    • SHA512

      499af2dfd9997cd737ebdd758d7c84e36084d5db5cf1f2eb032fd496b549e808303eb73275e9ddf378e966972c1ddbab03174ba5b9b97fd4c75c2ba1e5d14a24

    • SSDEEP

      6144:81w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:8i0Uu6ikyjcuk5y0hXaxpKkB

    • 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 (416) 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