b53415f6_lcvDB3iF4J

General
Target

b53415f6_lcvDB3iF4J

Size

7MB

Sample

211020-ld6cnshgel

Score
10 /10
MD5

b53415f6d38ce4831cbf327daf5201b4

SHA1

778d6f976e10d201903c76adcd18f14e685a3704

SHA256

4efcc256493c1c7d8f695bee676beab4aaf3d3d1e1847cf8462c38af1107b7b8

SHA512

0c2e2fd8ebfe175dc844d64ad9e85f8ab23f8e63b75d7773a38bf68741071c0ea6aa91402b1ab5813a7d66b289650b1e868c56dd86636dcc26c37c07bdb55bb4

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 (CobraLocker@mail2tor.com) 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: f64dfn9pbhybaqfrh5dp65jrzcg@protonmail.com
Emails

CobraLocker@mail2tor.com

f64dfn9pbhybaqfrh5dp65jrzcg@protonmail.com

Wallets

bc1q80xu9j6wpesm2jg2w4pzpyhqjd5wsrg46ap6pe

URLs

http://mail2tor2zyjdctd.onion/

Targets
Target

b53415f6_lcvDB3iF4J

MD5

b53415f6d38ce4831cbf327daf5201b4

Filesize

7MB

Score
10/10
SHA1

778d6f976e10d201903c76adcd18f14e685a3704

SHA256

4efcc256493c1c7d8f695bee676beab4aaf3d3d1e1847cf8462c38af1107b7b8

SHA512

0c2e2fd8ebfe175dc844d64ad9e85f8ab23f8e63b75d7773a38bf68741071c0ea6aa91402b1ab5813a7d66b289650b1e868c56dd86636dcc26c37c07bdb55bb4

Tags

Signatures

  • Maze

    Description

    Ransomware family also known as ChaCha.

    Tags

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • Disables Task Manager via registry modification

    Tags

  • Executes dropped EXE

  • Modifies extensions of user files

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

  • Possible privilege escalation attempt

    Tags

  • Checks BIOS information in registry

    Description

    BIOS information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery
  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Themida packer

    Description

    Detects Themida, an advanced Windows software protection system.

    Tags

  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Suspicious use of NtSetInformationThreadHideFromDebugger

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Persistence
                    Privilege Escalation
                      Tasks