Malware


NEWS 
  • PurpleFox Adds New Backdoor That Uses WebSockets

    October 19, 2021

    In September 2021, the Trend Micro Managed XDR (MDR) team looked into suspicious activity related to a PurpleFox operator. Our findings led us to investigate an updated PurpleFox arsenal, which included an added vulnerability (CVE-2021-1732) and optimized rootkit capabilities leveraged in their attacks. We also found a new backdoor written in .NET implanted during the intrusion, ...

  • Case Study: From BazarLoader to Network Reconnaissance

    October 18, 2021

    BazarLoader is Windows-based malware spread through various methods involving email. These infections provide backdoor access that criminals use to determine whether the host is part of an Active Directory (AD) environment. If so, criminals deploy Cobalt Strike and perform reconnaissance to map the network. If the results indicate a high-value target, criminals attempt lateral movement ...

  • TrickBot Gang Enters Cybercrime Elite with Fresh Affiliates

    October 15, 2021

    The cybercriminals behind the infamous TrickBot trojan have signed two additional distribution affiliates, dubbed Hive0106 (aka TA551) and Hive0107 by IBM X-Force. The result? Escalating ransomware hits on corporations, especially using the Conti ransomware. The development also speaks to the TrickBot gang’s increasing sophistication and standing in the cybercrime underground, IBM researchers said: “This latest development ...

  • Actors Target Huawei Cloud Using Upgraded Linux Malware

    October 8, 2021

    Trend Micro researchers have recently noticed another Linux threat evolution that targets relatively new cloud service providers (CSPs) with cryptocurrency-mining malware and cryptojacking attacks. In this article, they discuss a new Linux malware trend in which malicious actors deploy code that removes applications and services present mainly in Huawei Cloud. Specifically, the malicious code disables the ...

  • Hydra malware targets customers of Germany’s second largest bank

    October 1, 2021

    The Hydra banking trojan is back to targeting European e-banking platform users, and more specifically, customers of Commerzbank, Germany’s second-largest financial institution. MalwareHunterTeam has spotted the two-year-old malware in a new distribution campaign that targets German users with a malicious APK named ‘Commerzbank Security’ and using the same icon as the official app. Read more… Source: Bleeping Computer  

  • Fake Amnesty International Pegasus scanner used to infect Windows

    September 30, 2021

    Threat actors are trying to capitalize on the recent revelations on Pegasus spyware from Amnesty International to drop a less-known remote access tool called Sarwent. The malware looks and acts the part of a legitimate antivirus solution specially created to scan the system for traces of Pegasus traces and to remove them. Sarwent-based attacks have been running ...

  • Mac Users Targeted by Trojanized iTerm2 App

    September 30, 2021

    Earlier this month, a user on Chinese question-and-answer website Zhihu reported that a search engine result for the keyword “iTerm2” led to a fake website called item2.net that mimics the legitimate iterm2.com. A fake version of the iTerm2 app, a macOS terminal emulator, can be downloaded from a link found in iterm2.net. When this app ...

  • DarkHalo after SolarWinds: the Tomiris connection

    September 29, 2021

    In December 2020, news of the SolarWinds incident took the world by storm. While supply-chain attacks were already a documented attack vector leveraged by a number of APT actors, this specific campaign stood out due to the extreme carefulness of the attackers and the high-profile nature of their victims. It is believed that when FireEye ...

  • SolarWinds Attackers Hit Active Directory Servers with FoggyWeb Backdoor

    September 28, 2021

    The threat actors behind the notorious SolarWinds supply-chain attacks have dispatched new malware to steal data and maintain persistence on victims’ networks, researchers have found. Researchers from the Microsoft Threat Intelligence Center (MSTIC) have observed the APT it calls Nobelium using a post-exploitation backdoor dubbed FoggyWeb, to attack Active Directory Federation Services (AD FS) servers. AD ...

  • FinSpy: unseen findings

    September 28, 2021

    FinSpy, also known as FinFisher or Wingbird, is an infamous surveillance toolset. Kaspersky has been tracking deployments of this spyware since 2011. Historically, its Windows implant was distributed through a single-stage installer. This version was detected and researched several times up to 2018. Since that year, we observed a decreasing detection rate of FinSpy for ...

  • Fake Installers Drop Malware and Open Doors for Opportunistic Attackers

    September 27, 2021

    It is widely known that with regard to cybersecurity, a user is often identified as the weakest link. This means that they become typical entry vectors for attacks and common social-engineering targets for hackers. Enterprises can also suffer from these individual weak links. Employees are sometimes unaware of online threats, or are unfamiliar with cybersecurity ...

  • BloodyStealer and gaming assets for sale

    September 27, 2021

    Earlier this year, Kaspersky researchers covered the threats related to gaming, and looked at the changes from 2020 and the first half of 2021 in mobile and PC games as well as various phishing schemes that capitalize on video games. Many of the threats faced by gamers are associated with loss of personal data, and ...

  • Zloader malware is being spread through malicious Google ads

    September 24, 2021

    The malware is a key part of the cybercrime industry and recently popped up on the radar of Microsoft and the US Cybersecurity and Infrastructure Security Agency (CISA). CISA yesterday warned that ZLoader was being used to distribute the Conti ransomware service, which pays ransomware distributors a wage rather than a commission for new infections. Read more… Source: ...

  • TangleBot Malware Reaches Deep into Android Device Functions

    September 24, 2021

    An Android malware called TangleBot has weaved its way onto the cyber-scene: One that researchers said can perform a bouquet of malicious actions, including stealing personal info and controlling apps and device functions. According to Cloudmark researchers, the newly discovered mobile malware is spreading via SMS messaging in the U.S. and Canada, using lures about COVID-19 ...

  • Detection evasion in CLR and tips on how to detect such attacks

    September 21, 2021

    In terms of costs, the age-old battle that pits attacker versus defender has become very one sided in recent years. Almost all modern attacks (and ethical offensive exercises) use Mimikatz, SharpHound, SeatBelt, Rubeus, GhostPack and other toolsets available to the community. This so-called githubification is driving attackers’ costs down and reshaping the focus from malware ...

  • Malicious PowerPoint Documents on the Rise

    September 21, 2021

    McAfee Labs have observed a new phishing campaign that utilizes macro capabilities available in Microsoft PowerPoint. In this campaign, the spam email comes with a PowerPoint file as an attachment. Upon opening the malicious attachment, the VBA macro executes to deliver variants of AgentTesla which is a well-known password stealer. These spam emails purport to be ...

  • Analyzing The ForcedEntry Zero-Click iPhone Exploit Used By Pegasus

    September 15, 2021

    Citizen Lab has released a report detailing sophisticated iPhone exploits being used against nine Bahraini activists. The activists were reportedly hacked with the NSO Group’s Pegasus spyware using two zero-click iMessage exploits: Kismet, which was identified in 2020; and ForcedEntry, a new vulnerability that was identified in 2021. Zero-click attacks are labeled as sophisticated threats ...

  • SOVA, Worryingly Sophisticated Android Trojan, Takes Flight

    September 10, 2021

    A new Android banking trojan named SOVA (“owl” in Russian) is under active development, researchers said, and it has big dreams even in its infancy stage. The malware is looking to incorporate distributed denial of service (DDoS), man in the middle (MiTM) and ransomware functionality into its arsenal – on top of existing banking overlay, ...

  • Analyzing SSL/TLS Certificates Used by Malware

    September 3, 2021

    Malware has increasingly been making use of encryption to help hide their network traffic in recent years. This makes sense especially when one realizes that ordinary network traffic is increasingly encrypted as well. Google’s own Transparency Report notes that HTTPS traffic now makes up the vast majority of network traffic passed via the Google Chrome ...

  • Babuk ransomware’s full source code leaked on hacker forum

    September 3, 2021

    A threat actor has leaked the complete source code for the Babuk ransomware on a Russian-speaking hacking forum. Babuk Locker, also known internally as Babyk, is a ransomware operation launched at the beginning of 2021 when it began targeting businesses to steal and encrypt their data in double-extortion attacks. Read more… Source: Bleeping Computer