buran

General

Target

Zeppelin-0b.zip
Size

114KB
Sample

250404-bwzbzaxxcs
MD5

d78360ec2275957089ac107d901fa501
SHA1

f2930cd6a1e464204409aeb6b101148cbeae378c
SHA256

d0c022853ce5af49e193e9187be3710d0bc2380d6c93171d3ba6c483a3483205
SHA512

322454962d3535022c9bc99b8ffbc78fa83788b3d7ec11f9198b558afd2d8774ec150bf07e258d4c53dfeb8e843f4f89a2747d6e917c037ecb0bed1a559de3b5
SSDEEP

3072:AAoO/Uy6wnOMOaVDpiH6VfCLeyBYRUcRRuyaZAX:dD/UyrcaVNile1UcLuy+A

Score

10^/10

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\!!! 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] or [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: 1ED-570-C13 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
  
  Zeppelin.exe
- Size
  
  211KB
- MD5
  
  f42abb7569dbc2ff5faa7e078cb71476
- SHA1
  
  04530a6165fc29ab536bab1be16f6b87c46288e6
- SHA256
  
  516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd
- SHA512
  
  3277534a02435538e144dea3476416e1d9117fcddef3dcb4379b82f33516c3e87767c3b0d2b880e61a3d803b583c96d772a0bdeecbfc109fe66444e9b29216af
- SSDEEP
  
  6144:zia1vcaEaA+HPsISAzG44DQFu/U3buRKlemZ9DnGAeWBES+:zHctWvVSAx4DQFu/U3buRKlemZ9DnGAn
Score

10^/10

buran zeppelin defense_evasion discovery execution impact persistence ransomware
- Buran
  Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
  ransomware buran
- Buran family
  buran
- Detects Zeppelin payload
- Zeppelin Ransomware
  Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.
  ransomware zeppelin
- Zeppelin family
  zeppelin
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (6104) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Executes dropped EXE
- 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