buran

General

Target

123.exe
Size

214KB
Sample

211112-rt99fsdfc6
MD5

c14d403c9e9d6b6054e09ceee047fbf1
SHA1

2155b8d3b977f32641314207bb24126741b71d13
SHA256

005b00d41740f7b0327d4d5fe0402dcfc84ae0df44a2231a89a59909eeb30b23
SHA512

f5a0380cf6c7f3c14bd0efefeec1be88d0d92257ace44a97360e17c88e27c59cb424cd7283e2085431ba95d62eac30d017e3f41d7c1ccb4468a0bcaa3984d6d3

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: 63A-3FA-916 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]

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: 13E-3F9-0A5 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

10^/10

buran persistence 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.
- Drops file in System32 directory
behavioral1 behavioral2