General

  • Target

    https://github.com/Endermanch/MalwareDatabase/tree/master

  • Sample

    240814-xtltratflj

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Extracted

Path

C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___CQFTB_.txt

Family

cerber

Ransom Note
Hi, I'am CRBR ENCRYPTOR ;) ----- ALL YOUR DOCUMENTS, PH0T0S, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only one way to decrypt your files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_R_E_A_D___T_H_I_S_*) with complete instructions how to decrypt your files. If you cannot find any (*_R_E_A_D___T_H_I_S_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://xpcx6erilkjced3j.onion/12B8-FB50-246C-0098-BC6D Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://xpcx6erilkjced3j.1n5mod.top/12B8-FB50-246C-0098-BC6D 2. http://xpcx6erilkjced3j.19kdeh.top/12B8-FB50-246C-0098-BC6D 3. http://xpcx6erilkjced3j.1mpsnr.top/12B8-FB50-246C-0098-BC6D 4. http://xpcx6erilkjced3j.18ey8e.top/12B8-FB50-246C-0098-BC6D 5. http://xpcx6erilkjced3j.17gcun.top/12B8-FB50-246C-0098-BC6D ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/12B8-FB50-246C-0098-BC6D

http://xpcx6erilkjced3j.1n5mod.top/12B8-FB50-246C-0098-BC6D

http://xpcx6erilkjced3j.19kdeh.top/12B8-FB50-246C-0098-BC6D

http://xpcx6erilkjced3j.1mpsnr.top/12B8-FB50-246C-0098-BC6D

http://xpcx6erilkjced3j.18ey8e.top/12B8-FB50-246C-0098-BC6D

http://xpcx6erilkjced3j.17gcun.top/12B8-FB50-246C-0098-BC6D

Extracted

Path

C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>NeY6VnUHLga3tXpEXKR+z/Me+KEzWOy8MYSxaNmAa3U7xbJp3ZFPersxUdrIjNW8ens1eK+XEtGnB/1PVw1tHLMNKfGKFmG/nJl9QnJz12wclFLRXqRJsEx38xHRqzeNYiR2eQkCz3H3286ErVzQ7JxwfPF9cr1Eu9NuQugJ+72PTDnWztOR2uQiPncyfOke33yNQimqf8qxiVlOkl5PQMNEmB1ZD+kgongB4sPlGncIyuOAZNCz5oFC/ChdZC4CGs3c4aWg9ITNc0tRV7nWT9pUuSqdCS2nhnKZBlH77runDbhd1CsHXC3visv4UgNwhkZbNTR99M+AUR/IR5V9sQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Cerber

      Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (286) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Contacts a large (1122) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks