Researchers Struggle to Get A Grip On Fileless Malware

The future of client-side malware attacks is fileless. And it would appear the future has arrived with a growing number of attacks using fileless or in-memory malware to pose a threat to business that’s increasingly difficult to neutralize. “There has been an unequivocal uptick in the use of...

Hackers stole $800,000 from ATMs using Fileless Malware

Hackers targeted at least 8 ATMs in Russia and stole $800,000 in a single night, but the method used by the intruders remained a complete mystery with CCTV footage just showing a lone culprit walking up to the ATM and collecting cash without even touching the machine. Even the affected banks coul...

Fileless Banking Malware Attackers Break In, Cash Out, Disappear

SINT MAARTEN—Cybercriminals who used fileless, memory-based malware to carry out attacks on nearly 150 enterprises worldwide earlier this year were onto something. The attackers already had remote access to the bank’s networks through the malware, described in February, but once they were inside,...

Fileless UAC Bypass Uses Windows Backup and Restore Utility

One nugget buried in a recent Vault 7 dump was a bypass of User Account Controls in Windows 7 that allows applications to execute code without triggering the familiar prompt to the user that something may be afoot. Microsoft has not, in the past, considered UAC bypasses a security boundary that...

Fileless Malware Campaigns Tied to Same Attacker

Two recent fileless malware campaigns targeting financial institutions, government agencies and other enterprises have been linked to the same attack group. The campaigns, disclosed by Kaspersky Lab and Cisco’s Talos research outfit in the last five weeks, made extensive use of fileless malware a...

New Fileless Malware Uses DNS Queries To Receive PowerShell Commands

It is no secret that cybercriminals are becoming dramatically more adept, innovative, and stealthy with each passing day. While new forms of cybercrime are on the rise, traditional activities seem to be shifting towards more clandestine techniques that involve the exploitation of standard system...

New Fileless Attack Using DNS Queries to Carry Out PowerShell Commands

A unique attack called DNSMessenger uses DNS queries to carry out malicious PowerShell commands on compromised computers, a method that researchers said makes it difficult to detect that a remote access Trojan is being dropped onto targeted systems. According to experts at Cisco’s security resear...

Spear Phishing Techniques Used in Attacks Targeting the Mongolian Government

Introduction FireEye recently observed a sophisticated campaign targeting individuals within the Mongolian government. Targeted individuals that enabled macros in a malicious Microsoft Word document may have been infected with Poison Ivy, a popular remote access tool RAT that has been used for...

Spear Phishing Techniques Used in Attacks Targeting the Mongolian Government

Introduction FireEye recently observed a sophisticated campaign targeting individuals within the Mongolian government. Targeted individuals that enabled macros in a malicious Microsoft Word document may have been infected with Poison Ivy, a popular remote access tool RAT that has been used for...

Fileless Memory-Based Malware Plagues 140 Banks, Enterprises

Attackers have been using well-known, standard utilities to carry out attacks on organizations around the world, and covering their tracks by wiping their activity from the machine’s memory before its rebooted. The attackers, who may be connected to the GCMAN and Carbanak groups, aren’t using...

New “Fileless Malware” Targets Banks and Organizations Spotted in the Wild

More than a hundred banks and financial institutions across the world have been infected with a dangerous sophisticated, memory-based malware that's almost undetectable, researchers warned. Newly published report by the Russian security firm Kaspersky Lab indicates that hackers are targeting bank...

Microsoft Windows - Fileless UAC Protection Bypass Privilege Escalation (Metasploit)

Exploit for windows platform in category local exploits This module requires Metasploit: http://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' class Metasploit3 'Windows Escalate UAC Protection Bypass with Fileless', 'Description' = %q Th...

New Angler Exploits Bypass EMET Mitigations

New Microsoft Silverlight and Adobe Flash exploits that bypass Microsoft’s Enhanced Mitigation Experience Toolkit EMET have found their way into an updated version of the Angler Exploit Kit. EMET is a suite of freely available tools for Windows machines that mitigate memory-based attacks. The...

PowerWare Ransomware Uses PowerShell for Fileless Infections

Attackers are not through testing the limits of what they can do with new features in ransomware samples. That latest found in the wild is called PowerWare and it was discovered a week ago targeting a company in the healthcare industry, researchers at Carbon Black told Threatpost. What sets...

Kaspersky finds Malware that resides in your RAM

Kaspersky finds Malware that resides in your RAM Kaspersky Lab researchers have discovered a drive-by download attack that evades hard-drive checkers by installing malware that lives in the computer's memory. The 'fileless' bot is more difficult for antivirus software to detect, and resides in...