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Home   »   Archives for June 2017

Information Stealer Found Hitting Israeli Hospitals

  • Posted on:June 29, 2017 at 2:09 am
  • Posted in:Malware
  • Author:
    Trend Micro
0

The abuse of shortcut (LNK) files is steadily gaining traction among cybercriminals. We’ve seen a plethora of threats that leverage malicious LNK files: from well-known ransomware families, backdoors typically deployed in targeted attacks, and banking Trojans to spam emails, even an exploit to a LNK vulnerability itself. These threats are usually exacerbated by the further abuse of legitimate tools such as PowerShell, or script automation utility AutoIt. It’s thus not surprising that we discovered an information stealer employing LNK files, which our sensors detected in Israeli hospitals.

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Tags: IPPEDOLNKremote access TrojanRETADUPROWMANTIworm

Large-Scale Petya Ransomware Attack In Progress, Hits Europe Hard

  • Posted on:June 27, 2017 at 12:37 pm
  • Posted in:Malware, Ransomware
  • Author:
    Trend Micro
0

A large-scale ransomware attack reported to be caused by a variant of the Petya ransomware is currently hitting various users, particularly in Europe. This variant, which Trend Micro already detects as RANSOM_PETYA.SMA, is known to use both the EternalBlue exploit and the PsExec tool as infection vectors.

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Tags: EternalBluepetyaransomwareWannaCry

Following the Trail of BlackTech’s Cyber Espionage Campaigns

  • Posted on:June 22, 2017 at 5:05 am
  • Posted in:Targeted Attacks
  • Author:
    Trend Micro
0

BlackTech is a cyber espionage group operating against targets in East Asia, particularly Taiwan, and occasionally, Japan and Hong Kong. Based on the mutexes and domain names of some of their C&C servers, BlackTech’s campaigns are likely designed to steal their target’s technology.

Following their activities and evolving tactics and techniques helped us uncover the proverbial red string of fate that connected three seemingly disparate campaigns: PLEAD, Shrouded Crossbow, and of late, Waterbear.

Over the course of their campaigns, we analyzed their modus operandi and dissected their tools of the trade—and uncovered common denominators indicating that PLEAD, Shrouded Crossbow, and Waterbear may actually be operated by the same group.

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Tags: BlackTechcyber espionagePLEADShrouded CrossbowWaterbear

AdGholas Malvertising Campaign Employs Astrum Exploit Kit

  • Posted on:June 20, 2017 at 7:28 am
  • Posted in:Bad Sites, Ransomware
  • Author:
    Joseph C Chen (Fraud Researcher)
0

At the end of April this year, we found Astrum exploit kit employing Diffie-Hellman key exchange to prevent monitoring tools and researchers from replaying their traffic. As AdGholas started to push the exploit, we saw another evolution: Astrum using HTTPS to further obscure their malicious traffic. We spotted a new AdGholas malvertising campaign using the…

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Tags: AdGholasAstrumexploit kitmalvertising

Erebus Resurfaces as Linux Ransomware

  • Posted on:June 19, 2017 at 5:08 am
  • Posted in:Ransomware
  • Author:
    Trend Micro
0

On June 10, South Korean web hosting company NAYANA was hit by Erebus ransomware (detected by Trend Micro as RANSOM_ELFEREBUS.A), infecting 153 Linux servers and over 3,400 business websites the company hosts.

In a notice posted on NAYANA’s website last June 12, the company shared that the attackers demanded an unprecedented ransom of 550 Bitcoins (BTC), or US$1.62 million, in order to decrypt the affected files from all its servers.

Erebus was first seen on September 2016 via malvertisements and reemerged on February 2017 and used a method that bypasses Windows’ User Account Control. Here are some of the notable technical details we’ve uncovered so far about Erebus’ Linux version.

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Tags: ErebusLinuxransomware
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Security Predictions for 2020

  • Cybersecurity in 2020 will be viewed through many lenses — from differing attacker motivations and cybercriminal arsenal to technological developments and global threat intelligence — only so defenders can keep up with the broad range of threats.
    Read our security predictions for 2020.

Business Process Compromise

  • Attackers are starting to invest in long-term operations that target specific processes enterprises rely on. They scout for vulnerable practices, susceptible systems and operational loopholes that they can leverage or abuse. To learn more, read our Security 101: Business Process Compromise.

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