maze

General

Target

VSSVC.exe
Size

3.1MB
Sample

210904-dddcwsdfe4
MD5

e4f24d91d8e7290ffd6afc8aa01c6d63
SHA1

b552c6af33cc5a62379028687924406cba8ff74d
SHA256

5eb371a9cf91b981502d3ee26880b8c15f62b3eeaaa2484d523a2a03a233bebb
SHA512

ae0d0c2494b0a4753039f4fdf6a589848a44a386b759511aab9374e9446f84c39895ec2c9d00ed0ce3df07663a9f14e2f21f42a85966336b0e35204da0d82e00

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\DECRYPT-FILES.TXT

Ransom Note

Ooops! All your important files are encrypted! [+] What happend to my computer? [+] All your important files are encrypted. No one can help you to restore files without our special decryptor. Backups were either encrypted or deleted. Shadow copies also removed. If you want to restore some of your files for free write to email (contact is below) and attach 2-3 encrypted files. You will receive decrypted samples. To decrypt other files you have to pay $250. [+] How do i pay? [+] Payment is accepted in Bitcoin only. Please check the current price of Bitcoin and buy some Bitcoins. And send the correct amount to the address specified at the bottom. [+] How can i contact? [+] 1.Download Tor browser (https://www.torproject.org/) 2.Create account on mail2tor (http://mail2tor2zyjdctd.onion/) 3.Write email to us ([email protected]) If you can't use tor in your country you can write to us on our temporary email address. [+] What if i already paid? [+] Send your Bitcoin wallet ID to e-mail provided above. Attention! 1.Do not modify encrypted files. 2.Do not try decrypt your data using third party software. 3.Do not turn off your computer. Our bitcoin address: bc1q80xu9j6wpesm2jg2w4pzpyhqjd5wsrg46ap6pe Our temporary e-mail address: [email protected]

Emails

[email protected]

Wallets

bc1q80xu9j6wpesm2jg2w4pzpyhqjd5wsrg46ap6pe

URLs

http://mail2tor2zyjdctd.onion/

Targets

- Target
  
  VSSVC.exe
- Size
  
  3.1MB
- MD5
  
  e4f24d91d8e7290ffd6afc8aa01c6d63
- SHA1
  
  b552c6af33cc5a62379028687924406cba8ff74d
- SHA256
  
  5eb371a9cf91b981502d3ee26880b8c15f62b3eeaaa2484d523a2a03a233bebb
- SHA512
  
  ae0d0c2494b0a4753039f4fdf6a589848a44a386b759511aab9374e9446f84c39895ec2c9d00ed0ce3df07663a9f14e2f21f42a85966336b0e35204da0d82e00
Score

10^/10

maze discovery evasion exploit ransomware themida trojan
- Maze
  Ransomware family also known as ChaCha.
  trojan ransomware maze
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Disables Task Manager via registry modification
  evasion
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Possible privilege escalation attempt
  exploit
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Modifies file permissions
  discovery
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2