by Joey Chen and MingYen Hsieh (Threat Analysts) REDBALDKNIGHT, also known as BRONZE BUTLER and Tick, is a cyberespionage group known to target Japanese organizations such as government agencies (including defense) as well as those in biotechnology, electronics manufacturing, and industrial chemistry. Their campaigns employ the Daserf backdoor (detected by T

A group of researchers demonstrated that malware signed with stolen Digital code-signing certificates continues to bypass security software. A recent study conducted by the Cyber Security Research Institute (CSRI) revealed that stolen digital code-signing certificates are available for sale for anyone to purchase on the dark web for up to $1,200. Digital cod

A new strain of ransomware dubbed GIBON ransomware was spotted by the ProofPoint researcher Matthew Mesa that observed it being distributed via malspam. The spam messages use a malicious document as attachment containing macros that once enabled will download and install the ransomware on a victim’s machine. The researcher dubbed the ransomware GIBON b

Experts at Cisco Talos observed crooks exploiting black Search Engine Optimization (SEO) to spread the Zeus Panda banking Trojan. Threat actors behind the Zeus Panda banking Trojan leveraged black Search Engine Optimization (SEO) to propose malicious links in the search results. Crooks were focused on financial-related keyword queries. The campaign was first

A fake WhatsApp version deployed on the Play Store was downloaded by over a million users, a failure for the automated checks implemented by Google. Once again crooks exploited the official Google’s Play Store as a repository for malicious apps. This time a fake WhatsApp version was used to infect over a million users that downloaded it. The fake Whats

I published the following diary on isc.sans.org: “Simple Analysis of an Obfuscated JAR File“. Yesterday, I found in my spam trap a file named ‘0.19238000 1509447305.zip’ (SHA256: 7bddf3bf47293b4ad8ae64b8b770e0805402b487a4d025e31ef586e9a52add91). The ZIP archive contained a Java archive named ‘0.19238000 1509447305.jar’ (SHA256: b161c7

by Lilang Wu, Ju Zhu, and Moony Li We covered iXintpwn/YJSNPI in a previous blog post and looked into how it renders an iOS device unresponsive by overflowing it with icons. This threat comes in the form of an unsigned profile that crashes the standard application that manages the iOS home screen when installed. The malicious profile also exploits certain fe

MBR-ONI is a new ransomware that is being used for targeted attacks in Japan, experts speculate it was used to cover larger hacking campaigns. MBR-ONI is a new ransomware that is being used for targeted attacks in Japan, it is a bootkit ransomware that uses a modified version of the legitimate open-source disk encryption utility DiskCryptor to encrypt the fi

The researchers at CSE Cybsec ZLab have completed their analysis the Bad Rabbit ransomware, the report follows our preliminary analysis. Introduction Recently a new ransomware, called BadRabbit, infected systems in many countries, most of in East Europe, such as Ukraine and Russia. The malware was not totally new, it seems to be an evolution of the old NotPe

A cybercrime gang called Silence targeted at least 10 banks in Russia, Armenia, and Malaysia borrowing hacking techniques from the Carbanak group. A cybercrime gang called Silence targeted at least 10 banks in Russia, Armenia, and Malaysia borrowing hacking techniques from the dreaded Carbanak hacker group that stole as much as $1 billion from banks worldwid

Security experts from Fortinet spotted a new strain of the Sage ransomware that included new functionalities, such as anti-analysis capabilities. Sage 2.0 is a new ransomware first observed in December and not now it is distributed via malicious spam. Sage is considered a variant of CryLocker ransomware, it is being distributed by the Sundown and RIG exploit

Gaza Cybergang threat actor it is back again, this time it is targeting organizations in the Middle East and North Africa (MENA) region. Gaza Cybergang is a threat actor that is believed to be linked to the Palestinian organization Hamas, it is back again targeting organizations in the Middle East and North Africa (MENA) region. According to the experts from

By Jason Gu, Veo Zhang, Seven Shen The efficacy of mobile devices to actually produce cryptocurrency in any meaningful amount is still doubtful. However, the effects on users of affected devices are clear: increased device wear and tear, reduced battery life, comparably slower performance. Recently, we found that apps with malicious cryptocurrency mining cap

Security expert Jérôme Segura from Malwarebytes has spotted that Matrix Ransomware has risen again, it is now being distributed through malvertising. Malware researcher Jérôme Segura from Malwarebytes has discovered that Matrix Ransomware is now being distributed through malvertising campaign. #RIGEK drops Matrix ransomware. Payload https://t.co/PruaiZRuw9

Crooks continues to target Japanese users, now the hackers leverage the Ursnif banking Trojan, aka Gozi, to hit the country. According to researchers at IBM X-Force group, cyber criminals are delivering the infamous malware via spam campaigns that began last month. The Ursnif banking Trojan was the most active malware code in the financial sector in 2016 and