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General

  • Target

    3414774186b164063e7f83a550f360bd034ab85c94917aec2e325e3c23b38f94

  • Size

    731KB

  • Sample

    240404-2d1eesbg9v

  • MD5

    78dfee0a26911ec18d9cae49bcb4c6c0

  • SHA1

    ccd3e0a8dd4626ce87554a2b8fc30659d51e5978

  • SHA256

    3414774186b164063e7f83a550f360bd034ab85c94917aec2e325e3c23b38f94

  • SHA512

    174e2144fa1b659ba5683b9b791d094f687a55dca8569c8d0f4aba8c367d99ab320393493733fd18d8f58d950f6e4f7ee158e4b25c0b1a8906575d7c850b0017

  • SSDEEP

    12288:D1Ckm1tt+G2M+yG+Hl1jhGBz/qLn4FL+TOV8Rub2zY33OY8uRreHic3k:BCJtX2/0rhSz/0XUPnOTYrcikk

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vook

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

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

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0857PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199662282318

https://t.me/t8jmhl

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0

Targets

    • Target

      3414774186b164063e7f83a550f360bd034ab85c94917aec2e325e3c23b38f94

    • Size

      731KB

    • MD5

      78dfee0a26911ec18d9cae49bcb4c6c0

    • SHA1

      ccd3e0a8dd4626ce87554a2b8fc30659d51e5978

    • SHA256

      3414774186b164063e7f83a550f360bd034ab85c94917aec2e325e3c23b38f94

    • SHA512

      174e2144fa1b659ba5683b9b791d094f687a55dca8569c8d0f4aba8c367d99ab320393493733fd18d8f58d950f6e4f7ee158e4b25c0b1a8906575d7c850b0017

    • SSDEEP

      12288:D1Ckm1tt+G2M+yG+Hl1jhGBz/qLn4FL+TOV8Rub2zY33OY8uRreHic3k:BCJtX2/0rhSz/0XUPnOTYrcikk

    • 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