Overview

overview

10

Static

static

10

brain.exe

windows7-x64

10

brain.exe

windows10-2004-x64

10

Resubmissions

26/02/2025, 22:29

250226-2epdjsvygx10

26/02/2025, 21:48

250226-1nyg5stzdt10

21/02/2025, 20:45

250221-zjsweszqar10

Sharing

Copy URL Twitter E-mail

General

  • Target
    brain.exe.zip
  • Size 97KB
  • Sample250226-2epdjsvygx
  • SHA256 da2c61b069db32058791304408c57922263cedaaaf28230fe787b63be71d5d5f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
braincipherlockbitdefense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\sYMY1N6ah.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!!! 3 steps to data recovery: 1. Download and install Tor Browser (https://www.torproject.org/download/) 2. Go to our support page: http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion 3. Enter your encryption ID: M8AL5cWJEU5CnMMPwCdt4x9NVn0ZY2uNtIgnKwkDJwdPbnanVROYFzGmgUCImexTGDmINYgSZXdlhM7D199lNMb294TGY2 Email to support: [email protected]
URLs

  • http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion

Targets

    • Target
      brain.exe.bin
    • Size 147KB
    • SHA256 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12
    • 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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v15

Tasks