General

  • Target

    cv4TCGxUjvS.exe

  • Size

    1.3MB

  • Sample

    230904-g4a71aeb6s

  • MD5

    f6b8f6b814763ee0befe3c55637f0c42

  • SHA1

    3cf78ca5b35161a618efadf904abbaa161d7b02c

  • SHA256

    5ed4dfb7da504438688d779092a717cb2426ee88bc4f0ee588b3e989b7567dff

  • SHA512

    37fb6483bf598d3c52ea9dc1787fe7885b7439ec1a9bb6bb93486afd9d8d1650aeba2c819cc02cb3be3733722c63c00a3ecf605bcbac05fbaf6b7dec5047ff91

  • SSDEEP

    12288:1BVVtkNBJOlMmXP0447OdMyogfJ7gwPueClVVRWM5YDh8xpoP5ouMA+nkGGCp+YE:WTcCG0447AMVgfdnTClVm4Q5cGRSS

Score
10/10

Malware Config

Extracted

Path

C:\Users\Admin\How To Restore Your Files.txt

Ransom Note
All your documents, company files, images, etc (and there are a lot of company data) have been encrypted and the extension has been changed to .knight_l . The recovery is only possible with our help. US $14493 in Bitcoin is the price for restoring all of your data. This is the average monthly wage for 1 employee in your company. So don't even think about negotiating. That would only be a waste of time and you will be ignored. Send the Bitcoin to this wallet:1Ab1X2puGcXmCLWK5aWM1WdANyPxKSrzem (This is your only payment address, please don't pay BTC to other than this or you won't be able to get it decrypted!) After completing the Bitcoin transaction, send an email at: http://knightv5pdwrrfyxghivy3qccxxghk2yfyfigur562gcnmpmgd4pgfid.onion/cfb52f38-0c93-4438-baf2-79db0554abf8/ (Download and install TOR Browser (https://www.torproject.org/).[If you don't know how to use it, do a Google search!]).You will get an answer as soon as possible. I expect a message from you with the transfer of BTC Confirmation (TXID). So we can move forward to decrypt all your data. TXID is very important because it will help us identify your payment and connect it to your encrypted data.Do not use that I am here to waste mine or your time. How to buy the BTC? https://www.binance.com/en/how-to-buy/bitcoin https://www.coinbase.com/how-to-buy/bitcoin Note: Your data are uploaded to our servers before being encrypted, Everything related to your business (customer data, POS Data, documents related to your orders and delivery, and others). If you do not contact us and do not confirm the payment within 4 days, we will move forward and will announce the sales of the extracted data. ID:b6b0f83cda63f157b0aadbdb0f0ca0ec4199f57fd3247ca6f660b5d67a50d26a
URLs

http://knightv5pdwrrfyxghivy3qccxxghk2yfyfigur562gcnmpmgd4pgfid.onion/cfb52f38-0c93-4438-baf2-79db0554abf8/

https://www.binance.com/en/how-to-buy/bitcoin

Targets

    • Target

      cv4TCGxUjvS.exe

    • Size

      1.3MB

    • MD5

      f6b8f6b814763ee0befe3c55637f0c42

    • SHA1

      3cf78ca5b35161a618efadf904abbaa161d7b02c

    • SHA256

      5ed4dfb7da504438688d779092a717cb2426ee88bc4f0ee588b3e989b7567dff

    • SHA512

      37fb6483bf598d3c52ea9dc1787fe7885b7439ec1a9bb6bb93486afd9d8d1650aeba2c819cc02cb3be3733722c63c00a3ecf605bcbac05fbaf6b7dec5047ff91

    • SSDEEP

      12288:1BVVtkNBJOlMmXP0447OdMyogfJ7gwPueClVVRWM5YDh8xpoP5ouMA+nkGGCp+YE:WTcCG0447AMVgfdnTClVm4Q5cGRSS

    Score
    10/10
    • Renames multiple (175) files with added filename extension

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks