buran

General

Target

6226d51fab1b39f5ff32c59eea507554d38242b0f5f7b8f85eb17974c0148ba0
Size

140KB
Sample

210829-hsp9h2j8me
MD5

0364d2db6f72cd60edcdba813f9ea16f
SHA1

1d3787f929ad6935a407ac9b5326eef087a9200e
SHA256

6226d51fab1b39f5ff32c59eea507554d38242b0f5f7b8f85eb17974c0148ba0
SHA512

46cd8543472772563bdee24163c612ec6c9f307ed8131fb4a35febc291c40eef8ab214b2bc69605840d19b7d30efeea438302742cf992b1c25fbedf6b108cedd

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 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: 56F-EFD-238 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
  
  6226d51fab1b39f5ff32c59eea507554d38242b0f5f7b8f85eb17974c0148ba0
- Size
  
  140KB
- MD5
  
  0364d2db6f72cd60edcdba813f9ea16f
- SHA1
  
  1d3787f929ad6935a407ac9b5326eef087a9200e
- SHA256
  
  6226d51fab1b39f5ff32c59eea507554d38242b0f5f7b8f85eb17974c0148ba0
- SHA512
  
  46cd8543472772563bdee24163c612ec6c9f307ed8131fb4a35febc291c40eef8ab214b2bc69605840d19b7d30efeea438302742cf992b1c25fbedf6b108cedd
Score

10^/10

buran smokeloader backdoor discovery evasion persistence ransomware spyware stealer suricata themida 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
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Executes dropped EXE
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Deletes itself
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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
- Checks whether UAC is enabled
  evasion trojan
- 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