buran

General

Target

from_scr.zip
Size

220KB
Sample

211112-rr57qadfb7
MD5

6ac98e6f4ca6c1aef03d1762fac9e509
SHA1

35335a2a26630610c38df57cd9268a739e926d13
SHA256

821f00a583cec7f3fd2f3eeaab595e6293cc7dc94cf4954c6e05ac5caec55864
SHA512

dd45cc2ced3e5e537dfacc1814158e97d7d4396065582be7e7d4e4c7f7d912c75dad55e2fa3a52ab4922d76593ef71f99bafceb33230336e7042fd7cf6a46ffb

Score

10^/10

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note

!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: [email protected] Reserved email: [email protected] Reserved email: [email protected] Your personal ID: 51D-13D-DB0 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Emails

[email protected]

Targets

- Target
  
  123.exe
- Size
  
  214KB
- MD5
  
  c14d403c9e9d6b6054e09ceee047fbf1
- SHA1
  
  2155b8d3b977f32641314207bb24126741b71d13
- SHA256
  
  005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23
- SHA512
  
  f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3
Score

1^/10
behavioral1 behavioral2
- Target
  
  Telegram.dll
- Size
  
  201KB
- MD5
  
  c0b2a28fff2c9967f7ac76e6618e9d96
- SHA1
  
  92ead3813bf07fcc3b897f358b71d40a4c4d24d6
- SHA256
  
  532cedf1c9c50a145f7d4192ef79b5054e65ab3667cc0cef371f644eb68b8681
- SHA512
  
  265840b977c7eb614b7afd431e0afde5622c8673ae3480c14ae3611707787fb71d57cb71850f8d3d3629adc987a23820b019ab18bd8982cbecb922d4fe8623e2
Score

10^/10

persistence buran ransomware
- Buran
  Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
  ransomware buran
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Deletes itself
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- 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.
behavioral3 behavioral4