buran

General

Target

42666b2cb8dfc909799f874b536fece113099aa9c5d4e6f3d4deef7af99625c5
Size

212KB
Sample

220206-3pqj2achbm
MD5

3e09ae8dac3c180991b3bb4c179ec09c
SHA1

5ca8ecf0d00618bcab12d4fc04f48aef66ba6081
SHA256

42666b2cb8dfc909799f874b536fece113099aa9c5d4e6f3d4deef7af99625c5
SHA512

da4b8f46fa1ebd1e517d251c3f8956bfae31730dd8f384fcb57692b3ade1f1ef60bcc1bd8a6a211a6e98f7483537f77124d5e0fe56af45733cd7f914976350d4

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: 6B3-226-291 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
  
  March 4.scr
- Size
  
  812KB
- MD5
  
  5181f541a6d97bab854d5eba326ea7d9
- SHA1
  
  16d9967a2658ac765d7acbea18c556b927b810be
- SHA256
  
  b7f96fbb9844cac5c7f4ec966683f3564bbb9a2f453927e1c579dcb0154f5f83
- SHA512
  
  c282d9d6479c10fcc9fa6f674c901df1f1ad94b9354f6e427a7b445d0efad84efed6d7c29a0bc2a37b5ea07ee9a359f0e922d7c24f061258ae11fe4c44e9e4fa
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
- Deletes itself
- 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