buran

General

Target

718a32e1233d20058b882251b0265872880e64e5be9ba5c3ff42dfc430f12c91
Size

299KB
Sample

210831-vl74faxw16
MD5

532314c89cc0f6b55b6ee775ae894fc5
SHA1

bcb196361a23efca52af139ca0a579ca4be13478
SHA256

718a32e1233d20058b882251b0265872880e64e5be9ba5c3ff42dfc430f12c91
SHA512

031d48471268163391520a8304ba26ba98a2494305a3cc828fb0f57f22fea432b2747d34cda907a52695f20e963038fdb74406342911e124c9423dfb0a053b63

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. PAY FAST 500$=0.013 btc or the price will increase tomorrow bitcoin address bc1qqxnp9z0ff8x852dyflp5r9r6rzse8jl5hzmqz8 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? [email protected] TELEGRAM @ payfast290 Your personal ID: 101-1DC-526 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.

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32

Targets

- Target
  
  718a32e1233d20058b882251b0265872880e64e5be9ba5c3ff42dfc430f12c91
- Size
  
  299KB
- MD5
  
  532314c89cc0f6b55b6ee775ae894fc5
- SHA1
  
  bcb196361a23efca52af139ca0a579ca4be13478
- SHA256
  
  718a32e1233d20058b882251b0265872880e64e5be9ba5c3ff42dfc430f12c91
- SHA512
  
  031d48471268163391520a8304ba26ba98a2494305a3cc828fb0f57f22fea432b2747d34cda907a52695f20e963038fdb74406342911e124c9423dfb0a053b63
Score

10^/10

buran smokeloader backdoor persistence ransomware trojan
- Buran
  Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
  ransomware buran
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Executes dropped EXE
- Deletes itself
- 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.
- Suspicious use of SetThreadContext
behavioral1