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In the past month, the Netskope Threat Labs team observed a considerable increase of SharePoint usage to deliver malware caused by an attack campaign abusing Microsoft Teams and SharePoint to deliver a malware named DarkGate. DarkGate (also known as MehCrypter) is a malware that was first reported by enSilo (now Fortinet) in 2018 and has been used in multiple campaigns in the past months.

NjRAT (also known as Bladabindi) malware is a Remote Access Trojan (RAT) that was first discovered in 2012. This malware strain has persisted in the threat landscape up to the present day, most recently earning notoriety for its active campaigns against agencies and organizations located in the Middle East and North Africa. Upon successful infiltration into a target host or system, NjRAT can allow the attacker to remotely access and exercise control over the compromised system.

Continued analysis of ransomware attacks shows an upward trend in the number of attacks, with September resulting in the highest number of assaults so far this year. IT security vendor NCC Group’s Cyber Threat Intelligence Report for September 2023 shows some startling revelations about why ransomware attacks are spiking.

In this version of the Hacker’s Playbook Threat Coverage round-up, we are highlighting newly added coverage for several recently discovered or analyzed ransomware and malware variants, including NoEscape ransomware, AvosLocker ransomware, and Retch ransomware, amongst others. SafeBreach customers can select and run these attacks and more from the SafeBreach Hacker’s Playbook™ to ensure coverage against these advanced threats.

DarkGate Loader is a commodity malware loader with multiple features including the ability to download and execute files to memory, a Hidden Virtual Network Computing (HVNC) module, keylogging, information-stealing capabilities, and privilege escalation. Its distribution mechanism also makes use of legitimate AutoIt files to inject the malicious payload.

Job hunters should be on their guard. Researchers at security firm WithSecure have described how fake job opportunities are being posted on LinkedIn with the intent of spreading malware. A Vietnamese cybercrime gang is being blamed for a malware campaign that has seen bogus adverts posted on LinkedIn, pretending to be related to jobs at computer memory and gaming accessories firm Corsair.

Read also: India busts fake Microsoft and Amazon call centers, Vastaamo hacker charged with over 30,000 counts of computer crimes, and more.