General

  • Target
    007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00
  • Size 828KB
  • Sample220203-vmn97acbh3
  • SHA256 007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • djvu

C2
  • http://fuyt.org/test1/get.php

Attributes
  • extension

    .bbbw

  • offline_id

    jYeuANkMCJOEtaXsN8JcBUuEjwSP20EGT4t2Nct1

  • payload_url

    http://lencu.top/dl/build2.exe

    http://fuyt.org/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-qqj8MrDVtG Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0382UIhfSd

rsa_pubkey.plain

Extracted

Family
  • vidar

Version
  • 49.8

Botnet
  • 517

C2
  • https://c.im/@prophef3

  • https://qoto.org/@prophef41

Attributes
  • profile_id

    517

Targets

    • Target
      007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00
    • Size 828KB
    • SHA256 007ae7550fcc0e7368a9ebd1dcc6066145f256af24847075cde83233ced10d00
    • MD5 SHA1 SHA512
    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks