Resubmissions

13-01-2025 11:23

250113-ng6tqasnek 1

13-01-2025 02:09

250113-clc7estjhl 8

13-01-2025 01:54

250113-cbwwsazmgt 10

General

  • Target

    5secshuffle.py

  • Size

    6KB

  • Sample

    250113-cbwwsazmgt

  • MD5

    f0625f71f66f011f8251f180407017d3

  • SHA1

    85834cd6484705f147c32e55e67c2b9cde824323

  • SHA256

    c29bc7ab31b2c17e5b4ba1734abcfdff97fd1e5ecf078f6d42eb0a083f3cfc6e

  • SHA512

    ba8c23559bb9cc8be914d9a69d242f55a06a692313c2f88cba4154f1cd8af03be9fac82172e7703cebff18e632bb6c77f2e3efc32fbb8e5f48aad73f1b02dbe7

  • SSDEEP

    192:JAmEW9Qfl53LDwrfDI3mxUEWw86SDeKd4C8ik6iJN73FJ4Avklatn:JAmEsQfl53LDwMmxUEWw86SDeKd4C8iq

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3506525125-3566313221-3651816328-1000\FHBYN-MANUAL.txt

Family

gandcrab

Ransom Note
---= GANDCRAB V5.2 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .FHBYN The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/874bd514a789dae0 | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/874bd514a789dae0

Extracted

Path

C:\g1rFryAhrVg2xrt\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>IbhGsQyooCJrMW7nFRLe3DNbNofLyKNAoYncJkRZSFaNNwIJAJOLT1UKu0gGohgFvCFeV9iRPJ/J3AUbU1K3j6g2YQGiL/8A9CSHPjiunVGxPm+ra/YJ9E/zz4o2yuoNdENmrd3qiPAGKj7fbYPGAp5gO4yWak+EboXDSoD2EC/cXWxswa5VmE5JuBQJgjoxdI+yLxokOVMJ8gYF6y+IQ0kUKarH3m63mulMQCUXjsnZZ6VaYNC9Z3kLCoeMS+R+Ev2+CVjgdHYp2A7XKNIWECHQFYzYZ/v1GFuxVPPpiqnMWPpfUWhyPLIZfvrvooQZVnVQrjfeKDXhvtQpdxSUMg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      5secshuffle.py

    • Size

      6KB

    • MD5

      f0625f71f66f011f8251f180407017d3

    • SHA1

      85834cd6484705f147c32e55e67c2b9cde824323

    • SHA256

      c29bc7ab31b2c17e5b4ba1734abcfdff97fd1e5ecf078f6d42eb0a083f3cfc6e

    • SHA512

      ba8c23559bb9cc8be914d9a69d242f55a06a692313c2f88cba4154f1cd8af03be9fac82172e7703cebff18e632bb6c77f2e3efc32fbb8e5f48aad73f1b02dbe7

    • SSDEEP

      192:JAmEW9Qfl53LDwrfDI3mxUEWw86SDeKd4C8ik6iJN73FJ4Avklatn:JAmEsQfl53LDwMmxUEWw86SDeKd4C8iq

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Badrabbit family

    • CryptoLocker

      Ransomware family with multiple variants.

    • Cryptolocker family

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Gandcrab family

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Mimikatz family

    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (449) files with added filename extension

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

    • mimikatz is an open source tool to dump credentials on Windows

    • Contacts a large (1157) amount of remote hosts

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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • 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.

    • Looks up external IP address via web service

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

    • Modifies WinLogon

    • Sets desktop wallpaper using registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks