maze

General

Target

sample1.zip
Size

7.3MB
Sample

211027-k26gxabcg9
MD5

54316277a81db9994660b305e7f330e2
SHA1

a9b56c60e2040721067be2891a85ace6e29bf583
SHA256

28a062934db772364022a16d60c799b1b66b1419593d409a4cd6f5d6b52c1b85
SHA512

d2b9db4e64675ae4660cddb7390ecec06842020f41077ec28436936a56f75ce428c7a097dc427c3c5a395410b16bdba2afd9f3773e8539fa057852caa83a3a37

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]

URLs

http://mail2tor2zyjdctd.onion/

Targets

- Target
  
  b53415f6_lcvDB3iF4J
- Size
  
  7.4MB
- MD5
  
  b53415f6d38ce4831cbf327daf5201b4
- SHA1
  
  778d6f976e10d201903c76adcd18f14e685a3704
- SHA256
  
  4efcc256493c1c7d8f695bee676beab4aaf3d3d1e1847cf8462c38af1107b7b8
- SHA512
  
  0c2e2fd8ebfe175dc844d64ad9e85f8ab23f8e63b75d7773a38bf68741071c0ea6aa91402b1ab5813a7d66b289650b1e868c56dd86636dcc26c37c07bdb55bb4
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
- Executes dropped EXE
- 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.
- Loads dropped DLL
- 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 behavioral3