General

  • Target

    070fdbaad7e06bcf0b0807ff9b8671a6_JaffaCakes118

  • Size

    240KB

  • Sample

    241001-xx6nbszckf

  • MD5

    070fdbaad7e06bcf0b0807ff9b8671a6

  • SHA1

    c2f278a572d0f00b51bdb5645de5afa5945b17df

  • SHA256

    a15b09f8c76042a9b163c36d03135b35465d2541d351327da9974bb2165aef01

  • SHA512

    8742b153501800b4b8ed5d9ff6f0844afa5f3983a436ab01460d82b7ccaa8724d782fb56f6f7336504f1f2f981a068a94552abdd8c5d946f6fa630254f7b8581

  • SSDEEP

    3072:95wXqvbnDOwwHYFrBNH84Fz1F5KEnd7DeAZEimROoJV8OhaHHnGBrIvwkYhroBXR:95b/XK2tXlD8JanUrsgpo1xHwHzr

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\restore_files_blxmo.html

Ransom Note
<html> <style>a { color:green; }.tb { background:white; border-style:solid; border-width:1px; padding:3px; border-color:lime; }.ttl { font-size:13px; color:880000; }</style><body style="background:#33CCFF;"> <center><div style="text-align:left; font-family:Arial; font-size:13px; line-height:20px; margin-top:10px; width:800px; background:#F4F4F4; padding:20px; border-style:solid; border-width:5px; border-color:#BABABA;"><b><font class="ttl">What happened to your files?</b></font><br> <font style="font-size:13px;">All of your files were protected by a strong encryption with RSA-2048 using CryptoWall 3.0.<br> More information about the encryption RSA-2048 can be found here: <a href="http://en.wikipedia.org/wiki/RSA_(cryptosystem)" target="_blank">http://en.wikipedia.org/wiki/RSA_(cryptosystem)</a><br></font><br><b><font class="ttl">What does this mean?</b></font><br><font style="font-size:13px;">This means that the structure and data within your files have been irrevocably changed, you will not be able to work<br> with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them.</font><br><br><b><font class="ttl">How did this happen?</b></font> <br> <font style="font-size:13px;"> Especially for you, on our server was generated the secret key pair RSA-2048 - public and private.<br>All your files were encrypted with the public key, which has been transferred to your computer via the Internet.<br> Decrypting of YOUR FILES is only possible with the help of the private key and decrypt program, which is on our SECRET SERVER!!!.</font><br><br><b><font class="ttl">What do I do?</b></font> <br><font style="font-size:13px;">Alas, if you do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed.<br> If you really need your data, then we suggest you do not waste valuable time searching for other solutions because they do not exist.</font><br><br><div class="tb" style="color:#880000; font-size:13px; border-width:3px;">For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: <hr><b>1.<a href="http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F" target="_blank">http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F</a></b><br><b>2.<a href="http://aoei243548ld.keedo93i1lo.com/CC30DBDCE497425F" target="_blank">http://aoei243548ld.keedo93i1lo.com/CC30DBDCE497425F</a></b><br><b>3.<a href="https://zpr5huq4bgmutfnf.onion.to/CC30DBDCE497425F" target="_blank">https://zpr5huq4bgmutfnf.onion.to/CC30DBDCE497425F</a></b><br></div><br><div class="tb" style="font-size:13px; border-color:#880000;">If for some reasons the addresses are not available, follow these steps: <hr>1. Download and install tor-browser: <a href="http://www.torproject.org/projects/torbrowser.html.en" target="_blank">http://www.torproject.org/projects/torbrowser.html.en</a><br>2. After a successful installation, run the browser and wait for initialization.<br>3. Type in the address bar: <font style="font-weight:bold; color:#009977;">zpr5huq4bgmutfnf.onion/CC30DBDCE497425F</font><br>4. Follow the instructions on the site.</div><br><br><b>IMPORTANT INFORMATION:</b><br><div class="tb" style="width:790px;">Your Personal PAGE: <b><a href="http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F" target="_blank">http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F</a></b><br><!------sadfsafasdfasdfsadf -->Your Personal PAGE (using TOR): <font style="font-weight:bold; color:#009977;">zpr5huq4bgmutfnf.onion/CC30DBDCE497425F</font><br>Your personal code (if you open the site (or TOR 's) directly): <font style="font-weight:bold; color:#770000;">CC30DBDCE497425F</font><br></div></div></center></body></html>

Extracted

Path

C:\Program Files\7-Zip\Lang\restore_files_blxmo.txt

Ransom Note
______!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!______________ What happened to your files ? All of your files were protected by a strong encryption with RSA-2048 using CryptoWall 3.0. More information about the encryption keys using RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. How did this happen ? Especially for you, on our server was generated the secret key pair RSA-2048 - 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 ? Alas, if you do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed. If you really value your data, then we suggest you do not waste valuable time searching for other solutions because they do not exist. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1.http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F 2.http://aoei243548ld.keedo93i1lo.com/CC30DBDCE497425F 3. https://zpr5huq4bgmutfnf.onion.to/CC30DBDCE497425F 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: zpr5huq4bgmutfnf.onion/CC30DBDCE497425F 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal page: http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F Your personal page (using TOR): zpr5huq4bgmutfnf.onion/CC30DBDCE497425F Your personal identification number (if you open the site (or TOR 's) directly): CC30DBDCE497425F
URLs

https://zpr5huq4bgmutfnf.onion.to/CC30DBDCE497425F

http://zpr5huq4bgmutfnf.onion/CC30DBDCE497425F

http://aep554w4fm8j.fflroe598qu.com/CC30DBDCE497425F

Targets

    • Target

      070fdbaad7e06bcf0b0807ff9b8671a6_JaffaCakes118

    • Size

      240KB

    • MD5

      070fdbaad7e06bcf0b0807ff9b8671a6

    • SHA1

      c2f278a572d0f00b51bdb5645de5afa5945b17df

    • SHA256

      a15b09f8c76042a9b163c36d03135b35465d2541d351327da9974bb2165aef01

    • SHA512

      8742b153501800b4b8ed5d9ff6f0844afa5f3983a436ab01460d82b7ccaa8724d782fb56f6f7336504f1f2f981a068a94552abdd8c5d946f6fa630254f7b8581

    • SSDEEP

      3072:95wXqvbnDOwwHYFrBNH84Fz1F5KEnd7DeAZEimROoJV8OhaHHnGBrIvwkYhroBXR:95b/XK2tXlD8JanUrsgpo1xHwHzr

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (888) 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.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks