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General

  • Target

    3de1cde45d137ffb72875b404205364989a08e68bc653ef0e8c67cdccd35440f

  • Size

    851KB

  • Sample

    221203-dxsxpadh7y

  • MD5

    b713e710ad1b504fc1f80424c96ee9b3

  • SHA1

    c055462def35a1375cfba2c5cb6920c3149444dd

  • SHA256

    3de1cde45d137ffb72875b404205364989a08e68bc653ef0e8c67cdccd35440f

  • SHA512

    d8eab48fd0d317114a90dde80892e81a6308963915e0d448c46c44fe5623714d55a46eca58f0bdc363bf6e5b0a4248ae087a43deb09d80368ee89cb8d09b8f7a

  • SSDEEP

    12288:ryuGhRe2/vW6ZZTm6ZjxPA95QAhvvx2U6GKncJBsQiM1Wf875W6zK5HUwRwZ:ryuQe2W0T7Ni5BB76jncJ+JM7W5HU8

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

      3de1cde45d137ffb72875b404205364989a08e68bc653ef0e8c67cdccd35440f

    • Size

      851KB

    • MD5

      b713e710ad1b504fc1f80424c96ee9b3

    • SHA1

      c055462def35a1375cfba2c5cb6920c3149444dd

    • SHA256

      3de1cde45d137ffb72875b404205364989a08e68bc653ef0e8c67cdccd35440f

    • SHA512

      d8eab48fd0d317114a90dde80892e81a6308963915e0d448c46c44fe5623714d55a46eca58f0bdc363bf6e5b0a4248ae087a43deb09d80368ee89cb8d09b8f7a

    • SSDEEP

      12288:ryuGhRe2/vW6ZZTm6ZjxPA95QAhvvx2U6GKncJBsQiM1Wf875W6zK5HUwRwZ:ryuQe2W0T7Ni5BB76jncJ+JM7W5HU8

    • 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

    • 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