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Overview

overview

10

Static

static

10

brain.exe

windows7-x64

10

brain.exe

windows10-2004-x64

10

Resubmissions

26/02/2025, 22:29

250226-2epdjsvygx 10

26/02/2025, 21:48

250226-1nyg5stzdt 10

21/02/2025, 20:45

250221-zjsweszqar 10

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General

  • Target

    brain.exe.zip

  • Size

    97KB

  • Sample

    250226-2epdjsvygx

  • MD5

    877b0a047ecbea4042ddf9948b687e6c

  • SHA1

    2a30222a552d2e2de861a94fc2173eaaa7cf43e6

  • SHA256

    da2c61b069db32058791304408c57922263cedaaaf28230fe787b63be71d5d5f

  • SHA512

    68dcd9814178a2cc44410528594a77627899124acac74ab835fda6f4ba830f12fd32b2e5073a1b8616591cd3a62799dd88444385a644682bfe4ff23faaee54c4

  • SSDEEP

    1536:Ptz6P6mq+dgX2ymOQKFJRX9ij3aOR64eU7TCTMlI3bac8AvxsLcJj4VdbeQx:FJ6dA2bAH9SKOR6lmTPlI5YAJKdeI

Score
10/10
braincipherlockbitdefense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\sYMY1N6ah.README.txt

Family

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

    • MD5

      448f1796fe8de02194b21c0715e0a5f6

    • SHA1

      935c0b39837319fda571aa800b67d997b79c3198

    • SHA256

      eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12

    • SHA512

      0b93b2c881b1351ff688089abf12bbfcff279c5d6ca8733d6d821c83148d73c85cfedf5ab5bc02c2145970124b518551db3a9fc701d8084f01009ae20f71a831

    • SSDEEP

      3072:l6glyuxE4GsUPnliByocWep0yjEJ3hDRMK89nB2:l6gDBGpvEByocWeebbMjV4

    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