Blog

Specialized blog with informative contents destined to a public with marked technical profile, in order to improve knowledge and create a culture about the security in Internet.

Post related to: Forensics

Threat analysis study: LockBit

En este estudio, se expone brevemente el origen y evolución de la amenaza ransomware LockBit 3.0, a través del análisis de varias muestras maliciosa, con el objetivo de facilitar la información necesaria para poder identificar las características propias de este malware, su comportamiento y técnicas empleadas, permitiendo así una mejor identificación y respuesta ante ella.

Threat analysis study: Nobelium

Nobelium es la denominación de Microsoft para un grupo de atacantes que, según la atribución llevada a cabo por la Agencia de Seguridad de Infraestructura y Ciberseguridad (CISA) de Estados Unidos, pertenecen al Servicio de Inteligencia Exterior (SRV) de Rusia. Este grupo criminal es conocido por el ataque a la cadena de suministro de SolarWinds, y una campaña masiva de phishing haciéndose pasar por una empresa de desarrollo estadounidense.

Threat analysis study: Grandoreiro

Grandoreiro, also known as Delephant, is a banking trojan from South America, which has spread its operations to other regions, especially Europe, including Spain and Portugal. According to ESET researchers, it has been active since 2015, affecting countries in Latin America, mainly Brazil, where it was developed.

The MITRE matrix: tactics and techniques in industrial settings

Monitoring and analyzing security incidents in Industrial Control Systems (ICS) has been a priority for many organizations for a while now. As a response to this need, and given the great success in other areas specialized in cybersecurity, the MITRE organization has developed a matrix that collects many of the tactics, techniques and procedures detected in the industrial world. This article seeks to make the contents and potential uses of said matrix known.

Tags:

Best practices

Data protection

Forensics

Industrial Control System

Threat analysis study: Hive

The malicious code of the ransomware known as ‘Hive’ represents a threat to all users, as it implements encryption functionalities on the information in an infected computer, making simple recovery of the data impossible. This threat attempts to use extortion to recover the information, demanding a payment and threatening publication of part of the stolen information on a blog through the network Tor if the payment is not forthcoming.

Ransomware: response measures

Cyberattacks using ransomware are one of the main threats for companies all over the world and Spain is the tenth most affected country. For this reason, this article, in continuation of previous posts on measures of prevention and detection, looks in detail at how to respond these attacks.

Tags:

Bastioning procedures

Ransomware: detection measures

Cyberattacks using ransomware constitute one of the biggest threats to companies all over the world and Spain is the tenth most affected country. This article, as a continuation of previous posts on preventive measures, looks in detail at how to detect these attacks.

Tags:

Bastioning procedures

Threat analysis study: Anatsa

Anatsa is a banking Trojan designed for Android devices that has become particularly relevant since its discovery in January 2021. Throughout the study, a detailed technical analysis of the threat is carried out using a sample of the malicious code in question to show how this malware behaves and the possibilities it offers.

Tags:

Threat analysis studies: Mekotio, FluBot, Cring and WannaMine

Various studies with threat analysis or malware distribution campaigns affecting Spain and identified through incident management undertaken by INCIBE-CERT. The aim is to increase knowledge of the more technical details and characteristics of the threats so that organisations can implement appropriate detection and protection measures.

Emotet: characteristics and operation

In this post, an office document, a .doc file with macros, will be analyzed through the static and dynamic analysis of the sample in a controlled environment, in order to identify the actions carried out by the Emotet malware.

Tags: