buran

General

Target

1107.exe
Size

250KB
Sample

211210-pt27qsgdg6
MD5

9fbe16a50773ecb9dbace5e388a6c37e
SHA1

d9da6460238150e2bc24a9e4b2bd085bab2b3e9e
SHA256

f38c40c74a0a9953697c63fbd375c064cb2d59ce478435c7357bd68f382dd26f
SHA512

d29eaad3167b01b7d5b6c7d2c0278ff56bf7c863cf1d13c55d13e16b7adebf33ad86df3b358c5f773bef3e3a9602cd248e1770557745b7ae8735186da8e154e8

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: 305-3DC-2B4 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]

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: E89-070-E57 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
  
  1107.exe
- Size
  
  250KB
- MD5
  
  9fbe16a50773ecb9dbace5e388a6c37e
- SHA1
  
  d9da6460238150e2bc24a9e4b2bd085bab2b3e9e
- SHA256
  
  f38c40c74a0a9953697c63fbd375c064cb2d59ce478435c7357bd68f382dd26f
- SHA512
  
  d29eaad3167b01b7d5b6c7d2c0278ff56bf7c863cf1d13c55d13e16b7adebf33ad86df3b358c5f773bef3e3a9602cd248e1770557745b7ae8735186da8e154e8
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
- 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.
- Drops file in System32 directory
behavioral1 behavioral2