buran

General

Target

1309820211207191831.rar
Size

190KB
Sample

211207-wgwyhsehd7
MD5

2ddeccac750171b9c96c0bf6a343f1e7
SHA1

4671b9b59e5b232a68c6caec784575b107161ff3
SHA256

32478b96a685a4c4dbd7ff2e0a1b116669ff54c2b96bb778b3076519f8cd2a3e
SHA512

8bffa9a84de07a272e909b1e3ea703e8634f82d348426c9b67fdd7a04386ed40b7b310c01efa1c3fe86260cb9e83454d67b0f0f325e9696f4a8683c49d7f77d7

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: 17D-D47-0E5 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: 1AA-8F9-B05 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
  
  13098.scr
- Size
  
  250KB
- MD5
  
  9f06f66560bbb04900e3acb8fbc15aff
- SHA1
  
  902fa0c3644add69484b22ed5a809c2f52c0704c
- SHA256
  
  fb80bbea1c179bf695c6817b78306696ebb474e4a2e49ce2e38b819338d43d49
- SHA512
  
  738594d2ca1c711f7dd6ac9ea8f00c001fe17b8329143f3df837af01e693249098b592b023f6b05282f9dd89b0b275f543a6fa4709d410e3ba3b282de007c247
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
- 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