buran

General

Target

516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd.zip
Size

114KB
Sample

250125-1mq2nssqen
MD5

12bbe5c66309bef6c023efcd6c66ec49
SHA1

e0892183009a05e9d9e4569ffff0f6fd5270939c
SHA256

d6352812b8eb5834a74a1004bec9cdc16090556294d1c0312f1d82b7c1693e5f
SHA512

98133ed42404d9f2d5816ffb54358e6d593bdf6a0cea2e478a44c1fdad84f17ac5784b56832369dca71bb4eef1d22c37c2102d408f3c00e45945aeebe0b6ff77
SSDEEP

3072:x4hw/Y9X+9jbwV4DjjBEHLxrqfc/HNaCEgEwzxChY8:xZkOlbS4DjjENqSNxEEzxCh/

Score

10^/10

Malware Config

Extracted

Path

C:\Program Files\dotnet\!!! 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: 366-712-9FA 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
  
  516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd.zip
- Size
  
  114KB
- MD5
  
  12bbe5c66309bef6c023efcd6c66ec49
- SHA1
  
  e0892183009a05e9d9e4569ffff0f6fd5270939c
- SHA256
  
  d6352812b8eb5834a74a1004bec9cdc16090556294d1c0312f1d82b7c1693e5f
- SHA512
  
  98133ed42404d9f2d5816ffb54358e6d593bdf6a0cea2e478a44c1fdad84f17ac5784b56832369dca71bb4eef1d22c37c2102d408f3c00e45945aeebe0b6ff77
- SSDEEP
  
  3072:x4hw/Y9X+9jbwV4DjjBEHLxrqfc/HNaCEgEwzxChY8:xZkOlbS4DjjENqSNxEEzxCh/
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 (6075) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- 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