Overview

overview

10

Static

static

10

2025-04-21...it.exe

windows10-2004-x64

10

2025-04-21...it.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2025-04-21_f94d17b5f232e9cfd2255ca9823cb18a_darkside_elex_lockbit
  • Size 147KB
  • Sample250421-qq281avxes
  • SHA256 ec089cdd699fafbeb3cfd7dc68ac16f556c3456c7f7a57984030ae8975d8267f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
braincipherlockbitdefense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\jErs0FgGP.README.txt

  • braincipher

Ransom Note
  • *** Welcome to Brain Cipher Ransomware! *** Dear managers! If you're reading this, it means your systems have been hacked and encrypted and your data stolen. *** The most proper way to safely recover your data is through our support. We can recover your systems within 4-6 hours. In order for it to be successful, you must follow a few points: 1.Don't go to the police, etc. 2.Do not attempt to recover data on your own. 3.Do not take the help of third-party data recovery companies. In most cases, they are scammers who will pay us a ransom and take a for themselves. *** If you violate any 1 of these points, we will refuse to cooperate with you!!! ATTENTION! If you do not contact us within 48 hours, we will post the record on our website: vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion 3 steps to data recovery: 1. Download and install Tor Browser (https://www.torproject.org/download/) 2. Go to our support page: http://brain4zoadgr6clxecixffvxjsw43cflyprnpfeak72nfh664kqqriyd.onion This page can take up to 30 minutes to load. 3. Enter your encryption ID: DOuB5Pp206I1khMQMjQLVqnpqbROD+iJrJWwtl92dTQLsNqq8RdnSymqONiThx7G1rN+ddOiF8kXtGc3n10XdIN3Q1WFk1 Email to support: [email protected]
URLs

  • http://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion

  • http://brain4zoadgr6clxecixffvxjsw43cflyprnpfeak72nfh664kqqriyd.onion

Targets

    • Target
      2025-04-21_f94d17b5f232e9cfd2255ca9823cb18a_darkside_elex_lockbit
    • Size 147KB
    • SHA256 ec089cdd699fafbeb3cfd7dc68ac16f556c3456c7f7a57984030ae8975d8267f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    braincipherdefense_evasiondiscoveryransomwarespywarestealer

    • Brain Cipher

      Ransomware family based on Lockbit that was first observed in June 2024.

      ransomwarebraincipher

    • Braincipher family

      braincipher

    • Renames multiple (7637) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks