Tag: xworm

23 Attack Reports | 0 Vulnerabilities

Attack reports

Proton66: Compromised WordPress Pages and Malware Campaigns

This intelligence briefing focuses on malware campaigns linked to Proton66, particularly those targeting Android devices through compromised WordPress websites. It details how these sites were injected with malicious scripts to redirect Android users to fake Google Play Store pages. The report also…

Published: April 18, 2025

Downloadable IOCs: 48

JScript to PowerShell: Breaking Down a Loader Delivering XWorm and Rhadamanthys

This analysis examines a sophisticated malware loader that utilizes JScript to launch obfuscated PowerShell code, ultimately delivering payloads such as XWorm and Rhadamanthys. The loader employs geofencing tactics, targeting victims in the United States with XWorm RAT, while deploying Rhadamanthys…

Published: April 16, 2025

Downloadable IOCs: 4

Phishing campaign impersonates Booking.com, delivers a suite of credential-stealing malware

A phishing campaign targeting organizations in the hospitality industry has been identified, impersonating Booking.com and using the ClickFix social engineering technique to deliver multiple credential-stealing malware. The campaign, tracked as Storm-1865, targets individuals likely to work with Bo…

social engineering

credential-stealing

Published: April 13, 2025

Downloadable IOCs: 0

SilentCryptoMiner distributed as a bypass tool

A mass malware campaign is infecting users with a cryptocurrency miner disguised as a tool for bypassing internet restrictions. The campaign has affected over 2,000 victims in Russia, utilizing YouTube channels to spread malicious links. Attackers are blackmailing content creators to post videos wi…

stealth techniques

cryptocurrency mining

silentcryptominer

restriction bypass

Published: March 5, 2025

Downloadable IOCs: 0

Uncovering .NET Malware Obfuscated by Encryption and Virtualization

This article examines advanced obfuscation techniques used in popular malware families like Agent Tesla, XWorm, and FormBook/XLoader. The techniques include code virtualization, staged payload delivery, dynamic code loading, AES encryption, and multi-stage payloads. The malware uses a three-stage p…

sandbox evasion

static analysis

Published: March 3, 2025

Downloadable IOCs: 11

UAC-0173 against the Notary Office of Ukraine

A criminal group, UAC-0173, has resumed cyberattacks targeting notaries in Ukraine to gain unauthorized access to state registers. The attackers use phishing emails with malicious executable files to infect computers with DARKCRYSTALRAT malware. They then install additional tools like RDPWRAPPER an…

state registers

Published: February 26, 2025

Downloadable IOCs: 36

XWorm Cocktail: A Mix of PE data with PowerShell Code

A malicious file discovered on VirusTotal triggered a PowerShell rule, leading to the investigation of two closely related files identified as 'data files' but named as executables. The files contain a mix of PowerShell code, binary data, and obfuscated text. Analysis revealed characteristics of XW…

Published: February 19, 2025

Downloadable IOCs: 3

AsyncRAT Reloaded: Using Python and TryCloudflare for Malware Delivery Again

A new AsyncRAT malware campaign has been identified, utilizing malicious payloads delivered through TryCloudflare quick tunnels and Python packages. The attack chain begins with a phishing email containing a Dropbox URL, leading to a ZIP file with an internet shortcut. This triggers a series of dow…

process injection

evasion techniques

remote access trojan

Published: February 1, 2025

Downloadable IOCs: 0

Unmasking SparkRAT: Detection & macOS Campaign Insights

SparkRAT, a versatile malware tool, continues to pose a significant threat due to its modular design and cross-platform support. Recent investigations have uncovered new infrastructure associated with a suspected DPRK campaign targeting macOS users. The analysis reveals techniques for detecting Spa…

Published: January 31, 2025

Downloadable IOCs: 0

Security Brief: Threat Actors Take Taxes Into Account

Proofpoint researchers have identified an increase in campaigns and malicious domains impersonating tax agencies and financial organizations. This aligns with the annual increase in tax-related content observed from December through April. Phishing lures impersonate government agencies and financia…

financial fraud

credential harvesting

malware delivery

government impersonation

tax-themed phishing

Published: January 28, 2025

Downloadable IOCs: 0

Crypted Hearts: Exposing the HeartCrypt Packer-as-a-Service Operation

This analysis examines HeartCrypt, a new packer-as-a-service (PaaS) used to protect malware. Developed since July 2023 and launched in February 2024, HeartCrypt charges $20 per file to pack Windows x86 and .NET payloads. It is primarily used by malware operators of families like LummaStealer, Remco…

redline stealer

process hollowing

packer-as-a-service

Published: December 14, 2024

Downloadable IOCs: 0

XWorm: Analyzing New Infection Tactics With Old Payload

A recent malware campaign utilizes a multi-stage infection chain starting with a LNK file that lures victims into opening an invoice in a web browser. The attack involves PowerShell commands, batch files, and Python scripts to download and execute the XWorm payload. The infection process includes d…

shellcode injection

multi-stage infection

Published: December 4, 2024

Downloadable IOCs: 0

The RAT race: What happens when RATs go undetected

This analysis explores a sophisticated cyberattack attempt involving multiple Remote Access Tools (RATs) and a stealer. The attack chain begins with an email containing an exploit for CVE-2024-38213, bypassing Windows' Mark of the Web security feature. The malware uses WebDav directories and Cloudf…

purelog stealer

Published: November 30, 2024

Downloadable IOCs: 0

Security Brief: ClickFix Social Engineering Technique Floods Threat Landscape

Proofpoint researchers have identified a surge in the ClickFix social engineering technique across the threat landscape. This technique uses dialogue boxes with fake error messages to trick users into copying, pasting, and running malicious content on their computers. Multiple threat actors are emp…

social engineering

malware delivery

lucky volunteer

recaptcha phish

threat landscape

Published: November 18, 2024

Downloadable IOCs: 0

CVE-2024-38213: From Crumbs to Full Compromise in a Stealthy Cyber Attack

A targeted email campaign exploiting CVE-2024-38213 has been uncovered, disguised as communication related to the Gas Infrastructure Europe Annual Conference in Munich. The attack bypasses standard security protocols to deploy LummaStealer malware, stealing sensitive data. The vulnerability, known …

Published: November 8, 2024

Downloadable IOCs: 0

Tweaking AsyncRAT: Using Python and TryCloudflare to Deploy Malware

A new AsyncRAT malware campaign utilizes TryCloudflare quick tunnels and Python packages to deliver malicious payloads. The attack chain involves HTML attachments with 'search-ms' URI protocol handlers, leading to LNK files that download BAT files. These BAT files then retrieve and execute Python s…

shellcode injection

Published: October 4, 2024

Downloadable IOCs: 15

XWorm: Analysis of Latest Version and Execution Flow

XWorm, a versatile tool discovered in 2022, enables attackers to access sensitive information, gain remote access, and deploy additional malware. The latest version's infection chain begins with a Windows Script File downloading a PowerShell script from paste.ee. This script creates multiple files,…

infection chain

process injection

evasion techniques

reflective loading

telegram notification

Published: October 3, 2024

Downloadable IOCs: 8

PureHVNC Deployed via Python Multi-stage Loader

FortiGuard Labs uncovered a sophisticated attack campaign utilizing multiple obfuscation and evasion techniques to distribute and execute various malware, including VenomRAT, XWorm, AsyncRAT, and PureHVNC. The campaign starts with a phishing email containing a malicious attachment that initiates a …

Published: August 9, 2024

Downloadable IOCs: 18

Quartet of Trouble: XWorm, AsyncRAT, VenomRAT, and...

eSentire's Threat Response Unit (TRU) uncovered a malware campaign affecting a government customer. The infection involved multiple threats - XWorm, VenomRAT, PureLogs Stealer, and AsyncRAT - hosted on a TryCloudflare WebDAV server. The initial vector was a phishing email with a malicious ZIP file.…

purelogs stealer

Published: August 5, 2024

Downloadable IOCs: 7

Threat Actor Abuses Cloudflare Tunnels to Deliver RATs

Proofpoint is tracking a cluster of cybercriminal threat activity leveraging Cloudflare Tunnels to deliver malware, particularly remote access trojans (RATs) like Xworm, AsyncRAT, VenomRAT, GuLoader, and Remcos. The campaigns employ various techniques, such as using URL files to establish connectio…

Published: August 1, 2024

Downloadable IOCs: 13

Threat Actor Masquerades as Hacktivist Group Rebelling Against AI

SentinelLabs identified a cybercriminal group, NullBulge, targeting AI- and gaming-focused entities. The group injects malware into public code repositories and gaming mods, leading victims to import malicious libraries. NullBulge uses tools like Async RAT and Xworm before delivering customized Loc…

Published: July 16, 2024

Downloadable IOCs: 9

XWorm v5.6 Malware Being Distributed via Webhards

Researchers discovered a campaign distributing the XWorm v5.6 malware disguised as adult games through Korean file-sharing platforms called webhards. The malware employs tactics like downloading encrypted components from command-and-control servers, injecting itself into legitimate processes, and c…

Published: May 30, 2024

Downloadable IOCs: 3

PDF “Flawed Design” Exploitation

Check Point Research identified an unusual pattern involving PDF exploitation, mainly targeting users of Foxit Reader. This exploit triggers security warnings that could deceive users into executing harmful commands. The exploitation occurs through a flawed design in Foxit Reader, showing 'OK' as t…

Published: May 14, 2024

Downloadable IOCs: 40

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