General

  • Target

    04f65f1db32a9e688a09c7ca1c382b1330d1b5812993656022aa199e530b9c4d

  • Size

    728KB

  • Sample

    240114-17c1jsebh7

  • MD5

    ed38f79842daec6c9b3b28c4f50cbc8c

  • SHA1

    21c9bc2cf8b195d49f6c8ea1de4b67a649a00523

  • SHA256

    04f65f1db32a9e688a09c7ca1c382b1330d1b5812993656022aa199e530b9c4d

  • SHA512

    92106a11d3e7fb7f458416779bc028d4b01b49723816f45dbf0bc4b19a78b409464245f8259a4eb2293339f276351a7cb0059a8d082e1cfcafe4b6d40b4ada53

  • SSDEEP

    12288:92xJMMJq0Dq1wf/54E1x2Y9urclpHY/URqnJi+EG3nFVGI7vdWlUX/3e3gk+x6:92xJMM9Bp4E1M8HYMRqnJ1nFVGI7vdGE

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

      04f65f1db32a9e688a09c7ca1c382b1330d1b5812993656022aa199e530b9c4d

    • Size

      728KB

    • MD5

      ed38f79842daec6c9b3b28c4f50cbc8c

    • SHA1

      21c9bc2cf8b195d49f6c8ea1de4b67a649a00523

    • SHA256

      04f65f1db32a9e688a09c7ca1c382b1330d1b5812993656022aa199e530b9c4d

    • SHA512

      92106a11d3e7fb7f458416779bc028d4b01b49723816f45dbf0bc4b19a78b409464245f8259a4eb2293339f276351a7cb0059a8d082e1cfcafe4b6d40b4ada53

    • SSDEEP

      12288:92xJMMJq0Dq1wf/54E1x2Y9urclpHY/URqnJi+EG3nFVGI7vdWlUX/3e3gk+x6:92xJMM9Bp4E1M8HYMRqnJ1nFVGI7vdGE

    • 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