General

  • Target

    2976b9cc47bd3854337e3653128eec2ac18da76a93941b5cc0becd0ba4926470

  • Size

    845KB

  • Sample

    240114-18d91adcgn

  • MD5

    b8b236e9fab508d1ed85fc4ad0843ef5

  • SHA1

    4366140de33fd27603f8aeb5f26d395e5d9a51c8

  • SHA256

    2976b9cc47bd3854337e3653128eec2ac18da76a93941b5cc0becd0ba4926470

  • SHA512

    fdb986be769977940c551d0d331c903879761802555fd8df9b82cc9740e28d8bbced1955bd786bee268e2bb4b3734e4ac415b29bcbf5da806b5095beb85c0f74

  • SSDEEP

    12288:slu4ya2xb/wGoF2YgLiGVC6q4ddtrRjmg8WW8GyeK7rX4IreBEM1/hjxq9:l464ZFHTGg6FxrFx8PyeK7rX86Aa9

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

      2976b9cc47bd3854337e3653128eec2ac18da76a93941b5cc0becd0ba4926470

    • Size

      845KB

    • MD5

      b8b236e9fab508d1ed85fc4ad0843ef5

    • SHA1

      4366140de33fd27603f8aeb5f26d395e5d9a51c8

    • SHA256

      2976b9cc47bd3854337e3653128eec2ac18da76a93941b5cc0becd0ba4926470

    • SHA512

      fdb986be769977940c551d0d331c903879761802555fd8df9b82cc9740e28d8bbced1955bd786bee268e2bb4b3734e4ac415b29bcbf5da806b5095beb85c0f74

    • SSDEEP

      12288:slu4ya2xb/wGoF2YgLiGVC6q4ddtrRjmg8WW8GyeK7rX4IreBEM1/hjxq9:l464ZFHTGg6FxrFx8PyeK7rX86Aa9

    • 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