General

  • Target

    e42b2d9d303b72ec6689ae2b96f16236_JaffaCakes118

  • Size

    340KB

  • Sample

    241212-caqcls1jfk

  • MD5

    e42b2d9d303b72ec6689ae2b96f16236

  • SHA1

    cb8bf99248ade830b4a5dcc23a813c91bc698c6e

  • SHA256

    335db66a2abb1f82bd92f5b6cd74722b9d5cf209beac6dcb2eefde17603d6a99

  • SHA512

    200dfb19eb35841773837dfa94345c35f6108ed23f952d34b930c20d89b65119ce18725aa33b9e306169794c5782c7cb763826188e6b379fbcfe0a0d552ba762

  • SSDEEP

    6144:aog0kgLyJrIA0UTTng6+bq34dxSM7Zg8EU07L7m9JYie:XfLyLnDIwonZg8EPy9JYT

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+nosdf.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/E4F5662178FC3C2 2. http://tes543berda73i48fsdfsd.keratadze.at/E4F5662178FC3C2 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E4F5662178FC3C2 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/E4F5662178FC3C2 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E4F5662178FC3C2 http://tes543berda73i48fsdfsd.keratadze.at/E4F5662178FC3C2 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E4F5662178FC3C2 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E4F5662178FC3C2
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E4F5662178FC3C2

http://tes543berda73i48fsdfsd.keratadze.at/E4F5662178FC3C2

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E4F5662178FC3C2

http://xlowfznrg4wf7dli.ONION/E4F5662178FC3C2

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+amuby.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/E32EA0FDAF2172F3 2. http://tes543berda73i48fsdfsd.keratadze.at/E32EA0FDAF2172F3 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E32EA0FDAF2172F3 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/E32EA0FDAF2172F3 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E32EA0FDAF2172F3 http://tes543berda73i48fsdfsd.keratadze.at/E32EA0FDAF2172F3 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E32EA0FDAF2172F3 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E32EA0FDAF2172F3
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E32EA0FDAF2172F3

http://tes543berda73i48fsdfsd.keratadze.at/E32EA0FDAF2172F3

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E32EA0FDAF2172F3

http://xlowfznrg4wf7dli.ONION/E32EA0FDAF2172F3

Targets

    • Target

      e42b2d9d303b72ec6689ae2b96f16236_JaffaCakes118

    • Size

      340KB

    • MD5

      e42b2d9d303b72ec6689ae2b96f16236

    • SHA1

      cb8bf99248ade830b4a5dcc23a813c91bc698c6e

    • SHA256

      335db66a2abb1f82bd92f5b6cd74722b9d5cf209beac6dcb2eefde17603d6a99

    • SHA512

      200dfb19eb35841773837dfa94345c35f6108ed23f952d34b930c20d89b65119ce18725aa33b9e306169794c5782c7cb763826188e6b379fbcfe0a0d552ba762

    • SSDEEP

      6144:aog0kgLyJrIA0UTTng6+bq34dxSM7Zg8EU07L7m9JYie:XfLyLnDIwonZg8EPy9JYT

    • 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 (420) 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