General

  • Target
    https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/L0Lz.bat
  • Sample261018-w15prsfz3l

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___N2S5A3RC_.txt

  • cerber

Ransom Note
  • Hi, I'am CRBR ENCRYPTOR ;) ----- ALL YOUR DOCUMENTS, PH0T0S, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only one way to decrypt your files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_R_E_A_D___T_H_I_S_*) with complete instructions how to decrypt your files. If you cannot find any (*_R_E_A_D___T_H_I_S_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://xpcx6erilkjced3j.onion/1A84-ECB0-D1BD-0098-BEC3 Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://xpcx6erilkjced3j.1n5mod.top/1A84-ECB0-D1BD-0098-BEC3 2. http://xpcx6erilkjced3j.19kdeh.top/1A84-ECB0-D1BD-0098-BEC3 3. http://xpcx6erilkjced3j.1mpsnr.top/1A84-ECB0-D1BD-0098-BEC3 4. http://xpcx6erilkjced3j.18ey8e.top/1A84-ECB0-D1BD-0098-BEC3 5. http://xpcx6erilkjced3j.17gcun.top/1A84-ECB0-D1BD-0098-BEC3 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs
  • http://xpcx6erilkjced3j.onion/1A84-ECB0-D1BD-0098-BEC3

  • http://xpcx6erilkjced3j.1n5mod.top/1A84-ECB0-D1BD-0098-BEC3

  • http://xpcx6erilkjced3j.19kdeh.top/1A84-ECB0-D1BD-0098-BEC3

  • http://xpcx6erilkjced3j.1mpsnr.top/1A84-ECB0-D1BD-0098-BEC3

  • http://xpcx6erilkjced3j.18ey8e.top/1A84-ECB0-D1BD-0098-BEC3

  • http://xpcx6erilkjced3j.17gcun.top/1A84-ECB0-D1BD-0098-BEC3

Targets

    • Target
      https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Trojan/L0Lz.bat
    • Detects HiddenTear Ransomware

    • Detects KillMBR

    • Family: Cerber

      Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    • Family: HiddenTear, Cryptear

      HiddenTear aka Cryptear is an open-source ransomware available on Github since 2015, with many versions in the wild.

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Contacts a large (1210) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Sets desktop wallpaper using registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks