buran

General

Target

1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d
Size

250KB
Sample

230803-nwsweada69
MD5

8298bea449a626ed8d9cd54d741075a7
SHA1

506c82cfd2d54e3684787aee836645788cf4dca3
SHA256

1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d
SHA512

74b7538a941f9008a84764a4b4e57d05f0b492015fa560fddfcef2a99d0227088300fa26d8b9e9a85f363164793ec9331b32d26044b069c885a5ef5b7ff9d1bd
SSDEEP

6144:PWfM6iKwtADM5njFGKfi/Xm51QCG8VG1XhmIQ4L:+l0LnjFGKf351rGagwhW

Score

10^/10

Malware Config

Extracted

Path

C:\$Recycle.Bin\!!! 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: 6DD-319-AA0 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
  
  1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d
- Size
  
  250KB
- MD5
  
  8298bea449a626ed8d9cd54d741075a7
- SHA1
  
  506c82cfd2d54e3684787aee836645788cf4dca3
- SHA256
  
  1f026c4cbb2316d51d90d01dc50b531a6f52fa8424ce9b8298f01a3fac1a270d
- SHA512
  
  74b7538a941f9008a84764a4b4e57d05f0b492015fa560fddfcef2a99d0227088300fa26d8b9e9a85f363164793ec9331b32d26044b069c885a5ef5b7ff9d1bd
- SSDEEP
  
  6144:PWfM6iKwtADM5njFGKfi/Xm51QCG8VG1XhmIQ4L:+l0LnjFGKf351rGagwhW
Score

10^/10

buran zeppelin persistence ransomware
- Buran
  Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
  ransomware buran
- Detects Zeppelin payload
- Zeppelin Ransomware
  Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.
  ransomware zeppelin
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Renames multiple (7338) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  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