General

  • Target

    aa0d51394f696edbe195cb4e279f135f85a5acad6eed5d2cb542c06816cf2293

  • Size

    733KB

  • Sample

    240114-2bfbgaddbq

  • MD5

    95a407562c1f5ff8d8c1de430349eb99

  • SHA1

    638407b2f67ac47b69c5fa03b55144563e1c440d

  • SHA256

    aa0d51394f696edbe195cb4e279f135f85a5acad6eed5d2cb542c06816cf2293

  • SHA512

    d457d3275a4f0ee66a984b203e9fa5a1403e8f9ecbfd5e9cde11bab1e486fc0cb554cd05c6c892bf9ae59b7aada67eafca6a6deb39dd2051310fe757f28949e5

  • SSDEEP

    12288:UfLtmBByRWA5neQMR9wcJBzSco6zPIB8+5vTxAGuIQHBupiSoL9zX4w4GSYf:EtmBEwAw3zrBzSOzY5tNuJupiSoLZvv

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-FCWSCsjEWS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0844OSkw

rsa_pubkey.plain

Targets

    • Target

      aa0d51394f696edbe195cb4e279f135f85a5acad6eed5d2cb542c06816cf2293

    • Size

      733KB

    • MD5

      95a407562c1f5ff8d8c1de430349eb99

    • SHA1

      638407b2f67ac47b69c5fa03b55144563e1c440d

    • SHA256

      aa0d51394f696edbe195cb4e279f135f85a5acad6eed5d2cb542c06816cf2293

    • SHA512

      d457d3275a4f0ee66a984b203e9fa5a1403e8f9ecbfd5e9cde11bab1e486fc0cb554cd05c6c892bf9ae59b7aada67eafca6a6deb39dd2051310fe757f28949e5

    • SSDEEP

      12288:UfLtmBByRWA5neQMR9wcJBzSco6zPIB8+5vTxAGuIQHBupiSoL9zX4w4GSYf:EtmBEwAw3zrBzSOzY5tNuJupiSoLZvv

    • Detect Vidar Stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks