General

  • Target

    b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe

  • Size

    376KB

  • Sample

    241203-lr2awavqar

  • MD5

    b09aca00a8dcded70eeac6ec2b497e60

  • SHA1

    9247ba9335b88b4fc1d8febed66e92e4aad8317c

  • SHA256

    b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29

  • SHA512

    f3c2a80cb592a721f454773f8aed5ba09b96641325effaa92821be9a3d80e99522100610c10ce9d4dd8ab97a60f182b9e9a3a7d1dd18505658858dcb30ccef02

  • SSDEEP

    6144:J+lMnaN9yLmfyoZjcbxstF8cIxnTYI4LVmKJ7t2AQeRi:8TN9xyomFstF8conTCLVzTZRi

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+miyxn.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 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/4CC9B02651C6148 2. http://tes543berda73i48fsdfsd.keratadze.at/4CC9B02651C6148 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/4CC9B02651C6148 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/4CC9B02651C6148 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/4CC9B02651C6148 http://tes543berda73i48fsdfsd.keratadze.at/4CC9B02651C6148 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/4CC9B02651C6148 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/4CC9B02651C6148
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/4CC9B02651C6148

http://tes543berda73i48fsdfsd.keratadze.at/4CC9B02651C6148

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/4CC9B02651C6148

http://xlowfznrg4wf7dli.ONION/4CC9B02651C6148

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+khwmh.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 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/2DEAA8594E43CB47 2. http://tes543berda73i48fsdfsd.keratadze.at/2DEAA8594E43CB47 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2DEAA8594E43CB47 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/2DEAA8594E43CB47 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/2DEAA8594E43CB47 http://tes543berda73i48fsdfsd.keratadze.at/2DEAA8594E43CB47 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2DEAA8594E43CB47 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/2DEAA8594E43CB47
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/2DEAA8594E43CB47

http://tes543berda73i48fsdfsd.keratadze.at/2DEAA8594E43CB47

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2DEAA8594E43CB47

http://xlowfznrg4wf7dli.ONION/2DEAA8594E43CB47

Targets

    • Target

      b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe

    • Size

      376KB

    • MD5

      b09aca00a8dcded70eeac6ec2b497e60

    • SHA1

      9247ba9335b88b4fc1d8febed66e92e4aad8317c

    • SHA256

      b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29

    • SHA512

      f3c2a80cb592a721f454773f8aed5ba09b96641325effaa92821be9a3d80e99522100610c10ce9d4dd8ab97a60f182b9e9a3a7d1dd18505658858dcb30ccef02

    • SSDEEP

      6144:J+lMnaN9yLmfyoZjcbxstF8cIxnTYI4LVmKJ7t2AQeRi:8TN9xyomFstF8conTCLVzTZRi

    • 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 (394) 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