buran

General

Target

d01b3ea3b793e2d269f00eadf0de7c751a2a2e08ad8373b8f025eff5d77dbb8a
Size

213KB
Sample

210829-kadtbxc6a6
MD5

eee4f13fdcdbeba5471c7bf29dd5f182
SHA1

714422588a4841a5dd84cbb1586521de2af67a7a
SHA256

d01b3ea3b793e2d269f00eadf0de7c751a2a2e08ad8373b8f025eff5d77dbb8a
SHA512

2ba10fe8e8291a10353be17b1f0e76bdacb535f2eb469438f88b658282166784528dd0a25dd9514f32a9a17edcb6501716b9ebb797236bbc84b68f9783f16257

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://www.zippyshare.cc/1630257393/download

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://www.zippyshare.cc/1630257468/download

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://www.zippyshare.cc/1630258463/download

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 590$=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: 315-5F7-755 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
  
  d01b3ea3b793e2d269f00eadf0de7c751a2a2e08ad8373b8f025eff5d77dbb8a
- Size
  
  213KB
- MD5
  
  eee4f13fdcdbeba5471c7bf29dd5f182
- SHA1
  
  714422588a4841a5dd84cbb1586521de2af67a7a
- SHA256
  
  d01b3ea3b793e2d269f00eadf0de7c751a2a2e08ad8373b8f025eff5d77dbb8a
- SHA512
  
  2ba10fe8e8291a10353be17b1f0e76bdacb535f2eb469438f88b658282166784528dd0a25dd9514f32a9a17edcb6501716b9ebb797236bbc84b68f9783f16257
Score

10^/10

buran redline smokeloader xmrig agilenet backdoor discovery infostealer miner persistence ransomware spyware stealer trojan
- Buran
  Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
  ransomware buran
- Modifies WinLogon for persistence
  persistence
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- XMRig Miner Payload
  miner
- Blocklisted process makes network request
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- Obfuscated with Agile.Net obfuscator
  Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
  agilenet
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1