Thursday, March 28, 2024

Dreambot Banking Trojan Delivered via Resume-Themed Email

Dreambot banking Trojan which is a variant of Ursnif spreading via resume themed email, it is one of the most active banking trojans.Its activity on infected computers is very hard to detect at the network level and it communicates over Tor and Peer-to-peer.

It used to specifically target for financial organizations such as corporate and bank sectors to steal the sensitive banking information from organization employees.

Also New Futures has been embedded with it including anti-sandbox Technique to avoid Detection .It targets victim’s by sending personalized emails with the following message text

Hello,

Here is my resume.
Please consider it as soon as possible.
Happy New Year.

Greg Pettegrew

Email: [email protected]

The Email consist of zip file Greg resume.zip and the extracted file is CV_pettegrew.jse which then downloads the Dreambot executable. that has been encoded with base64.

A .jse file extension used  for Script written in JScript, a programming language used for Windows and Microsoft Internet Explorer scripting; contains source code in a format similar to JavaScript, but the JScript specification is maintained by Microsoft.

Communication over C&C – Dreambot

Once user click and the file it used to send request to C&C Server  over onion network using port 80 then download an orignial payload to infect the windows based machine.

31.11.33.145 port 80 – www.i-tony.net
31.11.33.145 port 80 – www.i-tony.net
164.132.120.220 port 80 – 164.132.120.220
198.105.244.228 port 80 – wdwefwefwwfewdefewfwefw.onion
198.105.244.228 port 80 – wdwefwefwwfewdefewfwefw.onion

According to malwaretrafficanalysis report.

Dream bot communicates over Tor network, due to the nature of onion sites taking down the C&C servers is difficult.The primary goal of the trojan is to steal the financial details from your computer. It has a persistent nature and sits in the windows registry.

SHA256 hash: 12bf51f905667a25261b55b7dd9e9812e09673617d79d267af749073d43b2cc3 (Greg resume.zip)
SHA256 hash: 67fdeb838110c94957d475841c4ff3827db59e4c6ef628dc57e9199aeb543512 (CV-Pettegrew.jse)
SHA256 hash: 1fa7952beab93e9522021fa7ed2231605a573f3fa3f68f1d5e609673a4321138 (devmprov.exe)

Network Defence

Recommended blocking the following domains.

hxxp://www.i-tony.net/images/rn.php
hxxp://164.132.120.220/view/ra64.css
wdwefwefwwfewdefewfwefw.onion

Common Defence’s to stay safe

  • Don’t open the attachments that you are not expecting.
  • Patch or Update your software.
  • Use a reputable security suite.
  • Download applications from Reputed sites.
  • Stay strict with CIA Cycle.
Website

Latest articles

2 Chrome Zero-Days Exploited at Pwn2Own 2024: Patch Now

Google has announced a crucial update to its Chrome browser, addressing several vulnerabilities, including...

The Moon Malware Hacked 6,000 ASUS Routers in 72hours to Use for Proxy

Black Lotus Labs discovered a multi-year campaign by TheMoon malware targeting vulnerable routers and...

Hackers Actively Exploiting Ray AI Framework Flaw to Hack Thousands of Servers

A critical vulnerability in Ray, an open-source AI framework that is widely utilized across...

Chinese Hackers Attacking Southeast Asian Nations With Malware Packages

Cybersecurity researchers at Unit 42 have uncovered a sophisticated cyberespionage campaign orchestrated by two...

CISA Warns of Hackers Exploiting Microsoft SharePoint Server Vulnerability

Cybersecurity and Infrastructure Security Agency (CISA) has warned about a critical vulnerability in Microsoft...

Microsoft Expands Edge Bounty Program to Include WebView2!

Microsoft announced that Microsoft Edge WebView2 eligibility and specific out-of-scope information are now included...

Beware of Free Android VPN Apps that Turn Your Device into Proxies

Cybersecurity experts have uncovered a cluster of Android VPN applications that covertly transform user...
Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Mitigating Vulnerability Types & 0-day Threats

Mitigating Vulnerability & 0-day Threats

Alert Fatigue that helps no one as security teams need to triage 100s of vulnerabilities.

  • The problem of vulnerability fatigue today
  • Difference between CVSS-specific vulnerability vs risk-based vulnerability
  • Evaluating vulnerabilities based on the business impact/risk
  • Automation to reduce alert fatigue and enhance security posture significantly

Related Articles