buran

General

Target

6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9
Size

2.6MB
Sample

220306-aptbpsbdbp
MD5

811527176b1b2357e96f357e141c7f29
SHA1

8d00d383b6c4825edcf46a620d7b7a3e5f53e09d
SHA256

6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9
SHA512

597aaab2e64ad2917aa308d8c65811024de20eee1c3c19f624c77a62174d08fd26daf95c6e50b3e74c338fecceab466b2d84517b759f2f24cd26e4d3331bea92

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] Your personal ID: 35D-15C-65F 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
  
  6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9
- Size
  
  2.6MB
- MD5
  
  811527176b1b2357e96f357e141c7f29
- SHA1
  
  8d00d383b6c4825edcf46a620d7b7a3e5f53e09d
- SHA256
  
  6772641fa3c9e918f0c887ee1bd67d3ce65c4cd28888d96f927c5d1b72851bf9
- SHA512
  
  597aaab2e64ad2917aa308d8c65811024de20eee1c3c19f624c77a62174d08fd26daf95c6e50b3e74c338fecceab466b2d84517b759f2f24cd26e4d3331bea92
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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