buran

General

Target

4e0d1edb76747fd945b87dd18299298f0df719edbea946119d91db59a9b6527a
Size

3.3MB
Sample

220306-hmdggabhgn
MD5

d18bf81dbc8acce488abd633d8058cf5
SHA1

1d6dcade355b4867e9435961655a9b9caa373528
SHA256

4e0d1edb76747fd945b87dd18299298f0df719edbea946119d91db59a9b6527a
SHA512

10a6b3994b1b0d37c9f3833e700baded6b89b0162078442b4de5a9747c23027d8943016c5941ba2e530ee5263b87c31a7714aa7bcb5051e5d63cf0a3cd88756f

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: 8DE-654-A44 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] Your personal ID: 141-666-48E 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
  
  4e0d1edb76747fd945b87dd18299298f0df719edbea946119d91db59a9b6527a
- Size
  
  3.3MB
- MD5
  
  d18bf81dbc8acce488abd633d8058cf5
- SHA1
  
  1d6dcade355b4867e9435961655a9b9caa373528
- SHA256
  
  4e0d1edb76747fd945b87dd18299298f0df719edbea946119d91db59a9b6527a
- SHA512
  
  10a6b3994b1b0d37c9f3833e700baded6b89b0162078442b4de5a9747c23027d8943016c5941ba2e530ee5263b87c31a7714aa7bcb5051e5d63cf0a3cd88756f
Score

10^/10

buran evasion persistence ransomware upx
- 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
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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