buran

General

Target

11430.scr
Size

250KB
Sample

211208-mqlpgacec5
MD5

d23ff582560da24dc1ff5e19f743a1df
SHA1

aceb66d9f24cc4ca99ed55dbe591042862a0ff07
SHA256

de559d54d5c796d15b9d711a216e9627bce4bcdc8c26afa72d97d8421afd7390
SHA512

658a59c7434661188ca7b94779fc25b2f7dc389b4690b47ecef4485284fc3747629506abe32ba154b6030dfb3983891b755ccb82aaf22924e86ac7467b31273c

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: 450-887-7BB 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: 2EB-F50-259 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
  
  11430.scr
- Size
  
  250KB
- MD5
  
  d23ff582560da24dc1ff5e19f743a1df
- SHA1
  
  aceb66d9f24cc4ca99ed55dbe591042862a0ff07
- SHA256
  
  de559d54d5c796d15b9d711a216e9627bce4bcdc8c26afa72d97d8421afd7390
- SHA512
  
  658a59c7434661188ca7b94779fc25b2f7dc389b4690b47ecef4485284fc3747629506abe32ba154b6030dfb3983891b755ccb82aaf22924e86ac7467b31273c
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
- 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