A week in security (September 2 – 8)

Last week on Malwarebytes Labs, we looked at a smart social engineering toolkit, delved into TrickBot tampering with trusted texts, and explained five ways to help keep remote workers safe. Other cybersecurity news A new Chinese Deepfake app is under fire for privacy concerns related to the use o...

Russian Hacking Group Targeting Banks Worldwide With Evolving Tactics

Silence APT, a Russian-speaking cybercriminal group, known for targeting financial organizations primarily in former Soviet states and neighboring countries is now aggressively targeting banks in more than 30 countries across America, Europe, Africa, and Asia. Active since at least September 2016...

Recent Cloud Atlas activity

Also known as Inception, Cloud Atlas is an actor that has a long history of cyber-espionage operations targeting industries and governmental entities. We first reported Cloud Atlas in 2014 and we've been following its activities ever since. From the beginning of 2019 until July, we have been able...

The Risk of Weak Online Banking Passwords

If you bank online and choose weak or re-used passwords, there's a decent chance your account could be pilfered by cyberthieves -- even if your bank offers multi-factor authentication as part of its login process. This story is about how crooks increasingly are abusing third-party financial...

The vulnerability of the goldendict software package for the Astra Linux operating system arises from a validation error in the input data received from web servers. This error allows attackers to perform spoofing attacks.

The vulnerability of the goldendict software package for the Astra Linux operating system is related to a validation error in the input data received from web servers. Exploiting this vulnerability can allow attackers to perform spear-phishing attacks...

SWEED: Exposing years of Agent Tesla campaigns

By Edmund Brumaghin and other Cisco Talos researchers. Executive summary Cisco Talos recently identified a large number of ongoing malware distribution campaigns linked to a threat actor we're calling "SWEED," including such notable malware as Formbook, Lokibot and Agent Tesla. Based on our...

A week in security (July 8 – 14)

Last week on Malwarebytes Labs, we looked at ways to send your sensitive information in a secure fashion, examined some tactics in incident response land, and explored federal data privacy law. We also looked at how security tools can turn against you, and took a deep dive into the rather fiendis...

Watch Out! Microsoft Spotted Spike in Astaroth Fileless Malware Attacks

Security researchers at Microsoft have released details of a new widespread campaign distributing an infamous piece of fileless malware that was primarily being found targeting European and Brazilian users earlier this year. Dubbed Astaroth, the malware trojan has been making the rounds since at...

Watch Out! Microsoft Spotted Spike in Astaroth Fileless Malware Attacks

Security researchers at Microsoft have released details of a new widespread campaign distributing an infamous piece of fileless malware that was primarily being found targeting European and Brazilian users earlier this year. Dubbed Astaroth , the malware trojan has been making the rounds since at...

‘Twas the night before

Recently, the United States Cyber Command USCYBERCOM Malware Alert @CNMFVirusAlert highlighted several VirusTotal uploads of theirs - and the executable objects relating to 2016 – 2017 NewsBeef/APT33 activity are interesting for a variety of reasons. Before continuing, it's important to restate y...

The null choice. A social engineering example in the wild

With social engineering there are lots of ways to get what you want, depending on the circumstance of course. The null choice is one that works really well when your desired outcome isn't obvious to the people you're trying to dupe. There are ways and means of overcoming a null choice scenario...

Mozilla Fixes Second Actively-Exploited Firefox Flaw

UPDATE Mozilla has fixed a high-severity vulnerability in its Firefox browser being actively exploited in the wild. The vulnerability CVE-2019-11708 is separate from a critical flaw under active attack that was patched earlier this week CVE-2019-11707. However, both vulnerabilities were discovere...

IT threat evolution Q1 2019

Targeted attacks and malware campaigns Go Zebrocy Zebrocy was first observed being used as a Sofacy backdoor in 2015. However, the collection of cases where this tool has been used mean that we consider it a subset of activity in its own right. On the basis of this threat actor's past behaviour, ...

FIN7.5: the infamous cybercrime rig “FIN7” continues its activities

On August 1, 2018, the US Department of Justice announced that it had arrested several individuals suspected of having ties to the FIN7 cybercrime rig. FIN7 operations are linked to numerous intrusion attempts having targeted hundreds of companies since at least as early as 2015. Interestingly,...

RatVermin Spyware Targets Ukraine Gov Agencies

Researchers have uncovered an ongoing spear-phishing campaign, targeting the Ukraine government and military with emails aiming to distribute the RatVermin malware, which carries out various info-gathering activities. Researchers said that an infrastructure analysis of the attack indicates that t...

Spear Phishing Campaign Targets Ukraine Government and Military; Infrastructure Reveals Potential Link to So-Called Luhansk People's Republic

In early 2019, FireEye Threat Intelligence identified a spear phishing email targeting government entities in Ukraine. The spear phishing email included a malicious LNK file with PowerShell script to download the second-stage payload from the command and control C&C server. The email was received...

Analysis of a targeted attack exploiting the WinRAR CVE-2018-20250 vulnerability

In early March, we discovered a cyberattack that used an exploit for CVE-2018-20250, an old WinRAR vulnerability disclosed just several weeks prior, and targeted organizations in the satellite and communications industry. A complex attack chain incorporating multiple code execution techniques...

The return of the BOM

There's nothing new in Brazilian cybercriminals trying out new ways to stay under the radar. It's just that this time around the bad guys have started using a method that was reported in the wild years ago. Russian gangs used this technique to distribute malware capable of modifying the hosts fil...

TAU Threat Intelligence Notification: NanoCore – Old Malware, New Tricks!

In analyzing the stream of raw emails seen in the wild, TAU discovered a campaign of what first appeared to be a fairly standard spear-phishing attack. The email contained a Word document which carried an exploit for CVE-2017-11882, a vulnerability that allows for Microsoft Office documents to ru...

PilusCart 1.4.1 Cross Site Request Forgery

Exploit Title: PilusCart 1.4.1 - Cross-Site Request Forgery Add Admin Google Dork: N/A Date: 10-03-2019 Exploit Author: Gionathan "John" Reale Vendor Homepage: https://github.com/piluscart Software Link:...