General

  • Target

    8cf84762c69354e02cbd051bb13cd53c6b861c8625eab23afcdda3c0d4fd1290

  • Size

    702KB

  • Sample

    221130-s4ljhsff3z

  • MD5

    fecb5a021d342df0547fa4aebb2bc5cf

  • SHA1

    bebb21ceec29999015757acf81f63b08547cd7f9

  • SHA256

    8cf84762c69354e02cbd051bb13cd53c6b861c8625eab23afcdda3c0d4fd1290

  • SHA512

    d9f6d72d38a4ccfd310ad488bd7d72fff1dbbe113c98bea71afbf110c82109f17c7c7ed5ef879305eee2ed9da968112b432681b5bf4e313e05fe01b496e6530d

  • SSDEEP

    12288:NMNO3JSFPMpEE/n/ONTweIV5jE4FWPaW/Eteu2suDHxzHmqXQ8AV1HZI9xv:YOZ3OTvIvHUy3te7DHxSqVATSx

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

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

    http://fresherlights.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-5UcwRdS3ED 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      8cf84762c69354e02cbd051bb13cd53c6b861c8625eab23afcdda3c0d4fd1290

    • Size

      702KB

    • MD5

      fecb5a021d342df0547fa4aebb2bc5cf

    • SHA1

      bebb21ceec29999015757acf81f63b08547cd7f9

    • SHA256

      8cf84762c69354e02cbd051bb13cd53c6b861c8625eab23afcdda3c0d4fd1290

    • SHA512

      d9f6d72d38a4ccfd310ad488bd7d72fff1dbbe113c98bea71afbf110c82109f17c7c7ed5ef879305eee2ed9da968112b432681b5bf4e313e05fe01b496e6530d

    • SSDEEP

      12288:NMNO3JSFPMpEE/n/ONTweIV5jE4FWPaW/Eteu2suDHxzHmqXQ8AV1HZI9xv:YOZ3OTvIvHUy3te7DHxSqVATSx

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 v6

Tasks