General

  • Target

    c988eb187359b3a03970c04d637d713b7d0d60d4b1abce8aa663ca4ed1dfcc7f

  • Size

    210KB

  • Sample

    221011-dfrcjabgg3

  • MD5

    6cc8f230328fc32cb709b946eb8284fc

  • SHA1

    6c1e0cf00ec2ece87354144b3b18b931940c02cb

  • SHA256

    c988eb187359b3a03970c04d637d713b7d0d60d4b1abce8aa663ca4ed1dfcc7f

  • SHA512

    7a2c140831d319c480305dfa1c2b9aaaf557ff4882b4c67a3df84d2ee0c947f9f570ec802232fcc3e3a1dc45b62f2226f485add107982d5fa17145b32fa835ce

  • SSDEEP

    3072:is9Z+o/XGfAKEiz7zLv4oXt1iRGj2qB8Z4JfZ9rKf4drOgNMe0LPeSU8cO:isr+DZzLv4o91hS4JfZPrOgN6TeS3c

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .towz

  • offline_id

    SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1

  • payload_url

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

    http://winnlinne.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-Kbx8mJatqN 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: 0577Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

buildnewdomain

C2

hrabrlonian.xyz:81

Attributes
  • auth_value

    90794203993789d187f29ff50d00de2e

Targets

    • Target

      c988eb187359b3a03970c04d637d713b7d0d60d4b1abce8aa663ca4ed1dfcc7f

    • Size

      210KB

    • MD5

      6cc8f230328fc32cb709b946eb8284fc

    • SHA1

      6c1e0cf00ec2ece87354144b3b18b931940c02cb

    • SHA256

      c988eb187359b3a03970c04d637d713b7d0d60d4b1abce8aa663ca4ed1dfcc7f

    • SHA512

      7a2c140831d319c480305dfa1c2b9aaaf557ff4882b4c67a3df84d2ee0c947f9f570ec802232fcc3e3a1dc45b62f2226f485add107982d5fa17145b32fa835ce

    • SSDEEP

      3072:is9Z+o/XGfAKEiz7zLv4oXt1iRGj2qB8Z4JfZ9rKf4drOgNMe0LPeSU8cO:isr+DZzLv4o91hS4JfZPrOgN6TeS3c

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • 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 Microsoft Outlook profiles

    • 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