Void Rabisu Targets Female Political Leaders with New Slimmed-Down ROMCOM Variant

Credit to Author: Feike Hacquebord| Date: Fri, 13 Oct 2023 00:00:00 +0000

Almost a year after Void Rabisu shifted its targeting from opportunistic ransomware attacks with an emphasis on cyberespionage, the threat actor is still developing its main malware, the ROMCOM backdoor.

Read more

DarkGate Opens Organizations for Attack via Skype, Teams

Credit to Author: Trent Bessell| Date: Thu, 12 Oct 2023 00:00:00 +0000

We detail an ongoing campaign abusing messaging platforms Skype and Teams to distribute the DarkGate malware to targeted organizations. We also discovered that once DarkGate is installed on the victim’s system, additional payloads were introduced to the environment.

Read more

Exposing Infection Techniques Across Supply Chains and Codebases

Credit to Author: Aliakbar Zahravi| Date: Thu, 05 Oct 2023 00:00:00 +0000

This entry delves into threat actors’ intricate methods to implant malicious payloads within seemingly legitimate applications and codebases.

Read more

APT34 Deploys Phishing Attack With New Malware

Credit to Author: Mohamed Fahmy| Date: Fri, 29 Sep 2023 00:00:00 +0000

We observed and tracked the advanced persistent threat (APT) APT34 group with a new malware variant accompanying a phishing attack comparatively similar to the SideTwist backdoor malware. Following the campaign, the group abused a fake license registration form of an African government agency to target a victim in Saudi Arabia.

Read more

Attacks on 5G Infrastructure From Users’ Devices

Credit to Author: Salim S.I.| Date: Wed, 20 Sep 2023 00:00:00 +0000

Crafted packets from cellular devices such as mobile phones can exploit faulty state machines in the 5G core to attack cellular infrastructure. Smart devices that critical industries such as defense, utilities, and the medical sectors use for their daily operations depend on the speed, efficiency, and productivity brought by 5G. This entry describes CVE-2021-45462 as a potential use case to deploy a denial-of-service (DoS) attack to private 5G networks.

Read more

Earth Lusca Employs New Linux Backdoor, Uses Cobalt Strike for Lateral Movement

Credit to Author: Joseph C Chen| Date: Mon, 18 Sep 2023 00:00:00 +0000

While monitoring Earth Lusca, we discovered an intriguing, encrypted file on the threat actor’s server — a Linux-based malware, which appears to originate from the open-source Windows backdoor Trochilus, which we’ve dubbed SprySOCKS due to its swift behavior and SOCKS implementation.

Read more

RedLine/Vidar Abuses EV Certificates, Shifts to Ransomware

Credit to Author: Hitomi Kimura| Date: Wed, 13 Sep 2023 00:00:00 +0000

In this blog, we investigate how threat actors used information-stealing malware with EV code signing certificates and later delivered ransomware payloads to its victims via the same delivery method.

Read more

TrickBot & Conti Sanctions: Implications for CISOs & Boardrooms

Credit to Author: Ed Cabrera| Date: Fri, 08 Sep 2023 00:00:00 +0000

Discover what the increased regulatory risk due to recent US and UK sanctions imposed on TrickBot and Conti cybercriminals mean for CISOs and board members.

Read more

Analyzing a Facebook Profile Stealer Written in Node.js

Credit to Author: Jaromir Horejsi| Date: Tue, 05 Sep 2023 00:00:00 +0000

We analyze an information stealer written in Node.js, packaged into an executable, exfiltrated stolen data via both Telegram bot API and a C&C server, and employed GraphQL as a channel for C&C communication.

Read more

Revisiting 16shop Phishing Kit, Trend-Interpol Partnership

Credit to Author: Paul Pajares| Date: Fri, 01 Sep 2023 00:00:00 +0000

In this entry, we summarize the security analyses and investigations done on phishing-as-a-service 16shop through the years. We also outline the partnership between Trend Micro and Interpol in taking down the main administrators and servers of this massive phishing campaign.

Read more