General

  • Target

    https://bazaar.abuse.ch/download/de96af271bf52bdcecaaf555a711f8a1397ed4b8be0d9c16f483253d29deaf62/

  • Sample

    250425-ltb4rssth1

Malware Config

Extracted

Path

C:\Users\Admin\HPvdi8peh.README.txt

Ransom Note
~~~ Ransomware creado con para pruebas ~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. >>>> You need contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. If you do not get an answer in the chat room for a long time, the site does not work and in any other emergency, you can contact us in jabber or tox. >>>> Your personal DECRYPTION ID: E7776F7D2FC5981DE71694D40CA4597C >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again! >>>> Advertisement Would you like to earn millions of dollars $$$ ? Our company acquire access to networks of various companies, as well as insider information that can help you steal the most valuable data of any company. You can provide us accounting data for the access to any company, for example, login and password to RDP, VPN, corporate email, etc. Open our letter at your email. Launch the provided virus on any computer in your company. You can do it both using your work computer or the computer of any other employee in order to divert suspicion of being in collusion with us. Companies pay us the foreclosure for the decryption of files and prevention of data leak. If this contact is expired, and we do not respond you, look for the relevant contact data on our website via Tor or Brave browser

Targets

    • Target

      https://bazaar.abuse.ch/download/de96af271bf52bdcecaaf555a711f8a1397ed4b8be0d9c16f483253d29deaf62/

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

    • Lockbit family

    • Rule to detect Lockbit 3.0 ransomware Windows payload

    • Renames multiple (691) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Event Triggered Execution: Image File Execution Options Injection

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks