General

  • Target

    8e50cc1eb6385d218b0bec843631585c4d28d4e5d4a153e96e076e7b416f2d97

  • Size

    274KB

  • Sample

    221010-zxhmlsdddq

  • MD5

    395bfcca7c226c0382118742fe8b0bc4

  • SHA1

    f76cdad51ae0c528d74302e07899816a981e5f68

  • SHA256

    8e50cc1eb6385d218b0bec843631585c4d28d4e5d4a153e96e076e7b416f2d97

  • SHA512

    d3e02aafb7764969cb4c17444185cc0b746fa92ac3381b5089f487ae2ba31d85437427f7a9b33e8928edce785b9c145fd16748cc43416df3a4bbffa5367e7fe8

  • SSDEEP

    3072:sXdvHUYXbJRDmwOq7D5fbcV3rEj3L2RfAFo0GCfMqFG3M/h3qpZa9uD6VdyhkhUD:oRHUYLJE4xo1EewoiG3rwVfquS

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

C2

45.15.156.37:899

Attributes
  • auth_value

    5b663effac3b92fe687f0181631eeff2

Targets

    • Target

      8e50cc1eb6385d218b0bec843631585c4d28d4e5d4a153e96e076e7b416f2d97

    • Size

      274KB

    • MD5

      395bfcca7c226c0382118742fe8b0bc4

    • SHA1

      f76cdad51ae0c528d74302e07899816a981e5f68

    • SHA256

      8e50cc1eb6385d218b0bec843631585c4d28d4e5d4a153e96e076e7b416f2d97

    • SHA512

      d3e02aafb7764969cb4c17444185cc0b746fa92ac3381b5089f487ae2ba31d85437427f7a9b33e8928edce785b9c145fd16748cc43416df3a4bbffa5367e7fe8

    • SSDEEP

      3072:sXdvHUYXbJRDmwOq7D5fbcV3rEj3L2RfAFo0GCfMqFG3M/h3qpZa9uD6VdyhkhUD:oRHUYLJE4xo1EewoiG3rwVfquS

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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