- Ukraine supporters in Germany targeted with PowerShell RAT malware
May 16, 2022
An unknown threat actor is targeting German users interested in the Ukraine crisis, infecting them with a custom PowerShell RAT (remote access trojan) and stealing their data. The malware campaign uses a decoy site to lure users into fake news bulletins that supposedly contain unreleased information about the situation in Ukraine. These sites offer malicious documents that ...
- Team of experts help Rutube to recover from the May 9 cyberattack
May 11, 2022
Rutube involved several expert teams, including a team of specialists from Positive Technologies security center, to deal with the aftermath of the May 9 cyberattack, the website said in its Telegram channel. “In order to investigate the attack and deal with its aftermath, several expert teams were involved, including a team of specialists from the Positive ...
- Examining the Black Basta Ransomware’s Infection Routine
May 9, 2022
Black Basta, a new ransomware gang, has swiftly risen to prominence in recent weeks after it caused massive breaches to organizations in a short span of time. On April 20, 2022, a user named Black Basta posted on underground forums known as XSS.IS and EXPLOIT.IN to advertise that it intends to buy and monetize corporate network ...
- It costs just $7 to rent DCRat to backdoor your network
May 9, 2022
A budget-friendly remote access trojan (RAT) that’s under active development is selling on underground Russian forums for about $7 for a two-month subscription, according to BlackBerry researchers today. The backdoor Windows malware, dubbed DCRat or DarkCrystal RAT, was released in 2018, then redesigned and relaunched the following year. An individual who goes by the handles boldenis44, ...
- A new secret stash for “fileless” malware
May 4, 2022
In February 2022 we observed the technique of putting the shellcode into Windows event logs for the first time “in the wild” during the malicious campaign. It allows the “fileless” last stage Trojan to be hidden from plain sight in the file system. Such attention to the event logs in the campaign isn’t limited to ...
- AvosLocker Ransomware Variant Abuses Driver File to Disable Anti-Virus, Scans for Log4shell
May 2, 2022
trend Micro researchers found samples of AvosLocker ransomware that makes use of a legitimate driver file to disable anti-virus solutions and detection evasion. While previous AvosLocker infections employ similar routines, this is the first sample they observed from the US with the capability to disable a defense solution using a legitimate Avast Anti-Rootkit Driver file ...
- Data-wiper malware strains surge as Ukraine battles ongoing invasion
April 29, 2022
Security researchers have detailed six significant strains of data-wiping malware that have emerged in just the first quarter of 2022, a huge surge over previous years. This increase coincides with the invasion of Ukraine, and all of these wipers have been used against that state’s infrastructure and organizations. One of the wipers also took wind turbines ...
- CISA and FBI Update Advisory on Destructive Malware Targeting Organizations in Ukraine
April 28, 2022
CISA and the Federal Bureau of Investigation (FBI) have updated joint Cybersecurity Advisory AA22-057A: Destructive Malware Targeting Organizations in Ukraine, originally released February 26, 2022. The advisory has been updated to include additional indicators of compromise for WhisperGate and technical details for HermeticWiper, IsaacWiper, HermeticWizard, and CaddyWiper destructive malware. CISA and the FBI encourage organizations to ...
- Emotet modules and recent attacks
April 13, 2022
Emotet was first found in the wild in 2014. Back then its main functionality was stealing user banking credentials. Since then it has survived numerous transformations, started delivering other malware and finally became a powerful botnet. In January 2021 Emotet was disrupted by a joint effort of different countries’ authorities. It took the threat actors ...
- CVE-2022-22965: Analyzing the Exploitation of Spring4Shell Vulnerability in Weaponizing and Executing the Mirai Botnet Malware
April 11, 2022
Trend Micro Threat Research observed active exploitation of the Spring4Shell vulnerability assigned as CVE-2022-22965, which allows malicious actors to weaponize and execute the Mirai botnet malware. The exploitation allows threat actors to download the Mirai sample to the “/tmp” folder and execute them after permission change using “chmod”. Researchers began seeing malicious activities at the start ...