buran

General

Target

11898.exe
Size

250KB
Sample

211208-g3sqnabag4
MD5

693dec99f9767c1d004f6289065471a0
SHA1

91cd7cd10fd1c075f47b84d97f17cc2c1e92e9ac
SHA256

56dc200341cac71492c374d9251791c60308d96d4387a8bbae999fdb5d841375
SHA512

b98942b9eff9e1a9a4dac0c3a53c76138a471419b68d77513bc8854824b8ddb707ec51344d13fdd659f9707985efee7f1b9669e357987d9e65382e76fa6f34c1

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: 1FB-304-6A2 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
  
  11898.exe
- Size
  
  250KB
- MD5
  
  693dec99f9767c1d004f6289065471a0
- SHA1
  
  91cd7cd10fd1c075f47b84d97f17cc2c1e92e9ac
- SHA256
  
  56dc200341cac71492c374d9251791c60308d96d4387a8bbae999fdb5d841375
- SHA512
  
  b98942b9eff9e1a9a4dac0c3a53c76138a471419b68d77513bc8854824b8ddb707ec51344d13fdd659f9707985efee7f1b9669e357987d9e65382e76fa6f34c1
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
- 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.
behavioral1 behavioral2