Links

https://www.bleepingcomputer.com/news/security/new-azov-data-wiper-tries-to-frame-researchers-and-bleepingcomputer

https://thehackernews.com/2022/10/google-issues-urgent-chrome-update-to.html

https://cyware.com/news/new-linkedin-phishing-campaign-bypasses-google-protection-de6f6752

https://thehackernews.com/2022/10/researchers-uncover-stealthy-techniques.html?&web_view=true

Data Wiper Frame Security Researchers

  • Azov Ransomware

  • New data wiper

  • Distributed through the following application types:

  • Pirated software

  • Key Generators
  • Adware Bundles

  • Named For

  • Ukrainian Azov Regiment

  • a controversial military force that allegedly associated with neo-Nazi ideology in the past

  • Its goal is to frame security researchers

  • Falsely claims to have been:

  • Hasherazade

  • Lawrence Abrams
  • Bleeping Computer
  • MalwareHunter Team
  • Michael Gillespie
  • Vitali Kremez

  • Points to their twitter accounts

  • No way to contact the actors

  • No recovery of files

  • RESTORE_FILES.txt

  • Device is encrypted in protest of seizure of Crimea

  • Though Ukrainian organizations hit by this wiper

  • Western Countries aren’t helping Ukraine enough

  • Wants US Citizens to revolt against Biden administrator
  • Wants Germany to do the same
  • Ends with hashtag #TaiwanIsChina

  • Smokeloader

  • Malware Botnet

  • Threat actors can buy installs of their malware

  • Azov recently seen utilizing this servcie

  • Sometimes paired with STOP ransomware

  • Which double encrypts the data

  • IOCs

  • Random named file in %Temp%

  • Wiper will copy C:\Windows\System32\msiexec.exe to C:\ProgramData\rdpclient.exe

  • It then patches the file with Azov

  • Can also be configured to start with the following key

  • [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] "Bandera" = "C:\ProgramData\rdpclient.exe"
  • Scans the computer and encrypts all files except

  • Ini

  • Dll
  • Exe

  • Appends the .azov to encrypted files

  • Every folder it places the RESTORE_FILES.txt

Chrome Urgent Update

  • Thursday

  • Emergency fix

  • Actively exploited zero-day

  • Update to version

  • 107.0.5304.87 (Mac and Linux)

  • 107.0.5304.87/88 (Windows)

  • CVE-2022-3723

  • Originally reported October 25, 2022

  • cold fusion flaw

  • V8 JavaScript engine

  • Found by Avast

  • Jan Vojtěšek, Milánek

  • Przemek Gmerek

  • Third cold fusion vulnerability in V8 this year

  • CVE-2022-1096

  • CVE-2022-1364

  • 7th Zero Day Fix for Chrome this year

  • CVE-2022-0609 - Use-after-free in Animation

  • CVE-2022-1096 - Type confusion in V8
  • CVE-2022-1364 - Type confusion in V8
  • CVE-2022-2294 - Heap buffer overflow in WebRTC
  • CVE-2022-2856 - Insufficient validation of untrusted input in Intents
  • CVE-2022-3075 - Insufficient data validation in Mojo

  • Chromium Browsers

  • Edge

  • Brave
  • Opera
  • Vivaldi
  • Patch as soon as a fix is available.

LinkedIN Phishing Campaign Bypass Protections

  • Armorblox

  • Spotted a credential phishing campaign

  • Target 500 mailboxes from a travel organization

  • LinkedIN

  • 3rd most impersonated brand

  • Preceded by DHL and Microsoft

  • Sept used LinkedIN smart links to redirector to Slovakia Postal Service

  • Evaded security controls

  • Phishing Message

  • Titled “We noticed some unusual activity”

  • Pretended to be from Linkedin

  • Misspelled Linkedin

  • Domain created on March 6

  • Bypass Security

  • Passes DMARC and SFP

Cranefly’s Stealthy Techniques

  • CraneFly

  • AKA UNC3524

  • May 2022
  • Focus on bulk email collection
  • Companies that deal with mergers and acquisitions
  • Possibly for intel

  • Undocumented Malware

  • New Backdoor program Danfaun

  • Dropped via Geppei (dropper application)

  • Used to install the backdoor and other tools

  • Uses the IIS logs for commands that mimic harmless web access requests to a compromised server
  • malicious encoded .ashx files

  • arbitrary folder determined by the command parameter and they run as backdoors

  • Can be used with or instead of reGeorge

  • QUIETEXIT

  • Groups key malware

  • Backdoor application for network appliances

  • No Antivirus or Endpoint Detection

  • Let's them operate undetected for a long time

  • Unsure

  • Symantec has been watching infected machines for 18 months

  • No current exfil of data.