buran

General

Target

b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
Size

212KB
Sample

220520-3ag94sgec7
MD5

3ac926d3bca5450ce48d10c253700ae4
SHA1

0a918e434b1f8e125fb23a71c7317e6b16f3df23
SHA256

b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
SHA512

ef62bc011a2fdff15b466f798bcbe5c4308e925fb1240d7621f65ede89432a329e00c80a917cc5be401b7029a2c5a497a9bc09436c3f1c05259a2e3479c581c5

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: 410-0DD-8DB 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
  
  b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
- Size
  
  212KB
- MD5
  
  3ac926d3bca5450ce48d10c253700ae4
- SHA1
  
  0a918e434b1f8e125fb23a71c7317e6b16f3df23
- SHA256
  
  b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
- SHA512
  
  ef62bc011a2fdff15b466f798bcbe5c4308e925fb1240d7621f65ede89432a329e00c80a917cc5be401b7029a2c5a497a9bc09436c3f1c05259a2e3479c581c5
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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