Tag: process-hollowing

12 Attack Reports | 0 Vulnerabilities

Attack reports

SnakeKeylogger – A Multistage Info Stealer Malware Campaign

This analysis explores a sophisticated malware campaign utilizing SnakeKeylogger, a credential-stealing threat. The attack begins with malicious spam emails containing disguised attachments. The infection chain involves multiple stages, including encrypted payload delivery, process hollowing, and s…

process-hollowing

Published: April 24, 2025

Downloadable IOCs: 5

Infostealer Malware FormBook Spread via Phishing Campaign – Part I

A phishing campaign delivering a malicious Word document exploiting CVE-2017-11882 was observed spreading a new FormBook variant. The campaign tricks recipients into opening an attached document, which extracts a 64-bit DLL file and exploits the vulnerability to execute it. The DLL acts as a downlo…

process hollowing

fileless malware

microsoft equation editor

Published: April 22, 2025

Linked vulnerabilities : CVE-2017-11882

Downloadable IOCs: 7

New Evasive Campaign Delivers LegionLoader via Fake CAPTCHA & CloudFlare Turnstile

A new malicious campaign has been discovered targeting users searching for PDF documents online. The attack uses fake CAPTCHAs and CloudFlare Turnstile to deliver LegionLoader malware, which then installs a malicious browser extension. The infection chain involves a drive-by download, execution of …

drive-by download

process hollowing

browser extension

cloudflare turnstile

Published: April 5, 2025

Downloadable IOCs: 5

SnakeKeylogger: Multistage Info Stealer Malware Analysis & Prevention

SnakeKeylogger is a highly active credential-stealing malware targeting individuals and businesses. It employs a multi-stage infection chain, starting with malicious spam emails containing .img files. The malware uses sophisticated techniques like process hollowing and obfuscation to evade detectio…

credential-theft

process-hollowing

Published: March 25, 2025

Downloadable IOCs: 2

New Steganographic Campaign Distributing Multiple Malware Variants

A sophisticated steganographic campaign has been observed distributing multiple stealer malware variants, including Remcos, DcRAT, AgentTesla, and VIPKeyLogger. The infection chain begins with a phishing email containing an Excel file that exploits CVE-2017-0199. This leads to the download of an HT…

process hollowing

remote access trojan

Published: March 17, 2025

Linked vulnerabilities : CVE-2017-0199

Downloadable IOCs: 13

Evolving Snake Keylogger Variant

A new variant of Snake Keylogger, identified as AutoIt/Injector.GTY!tr, has been detected by FortiSandbox v5.0. This malware has attempted over 280 million infections, primarily targeting China, Turkey, Indonesia, Taiwan, and Spain. Snake Keylogger steals sensitive information from popular web brow…

credential theft

snake keylogger

process hollowing

Published: February 20, 2025

Downloadable IOCs: 3

Formbook Phishing Campaign with old Payloads

A recent phishing campaign has been observed delivering Formbook stealers through email attachments. The malware uses multiple stages and steganography to hide malicious files inside images. The infection chain involves three stages before the final payload: Purchase Order.exe, Arthur.dll, and Mont…

process-hollowing

formbook stealer

Published: January 7, 2025

Downloadable IOCs: 1

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

New Campaign Uses Remcos RAT to Exploit Victims

A phishing campaign utilizing Remcos RAT has been detected. The attack begins with an email containing a malicious Excel document that exploits CVE-2017-0199. When opened, it downloads and executes an HTA file, which in turn downloads and runs a malicious EXE. This EXE uses PowerShell to load and e…

process hollowing

Published: November 8, 2024

Downloadable IOCs: 2

Unmasking Lumma Stealer: Analyzing Deceptive Tactics with Fake CAPTCHA

Lumma Stealer, a sophisticated information-stealing malware, has evolved its tactics to employ fake CAPTCHA verification for payload delivery. The malware exploits legitimate software and uses multi-stage fileless techniques to evade detection. Its infection chain involves PowerShell scripts, proce…

information-stealing

data exfiltration

process hollowing

Published: October 21, 2024

Downloadable IOCs: 23

Exploring AsyncRAT and Infostealer Plugin Delivery Through…

This analysis details an AsyncRAT infection observed in August 2024, delivered via email. The attack chain involves a Windows Script File that downloads and executes various scripts, ultimately leading to the installation of AsyncRAT with an infostealer plugin. The malware targets multiple browsers…

process hollowing

cryptocurrency wallets

browser data theft

Published: September 2, 2024

Linked vulnerabilities : CVE-2024-7593 (CVSS 9.8), CVE-2024-28986

Downloadable IOCs: 8

RemcosRAT Distributed Using Steganography

Security researchers have discovered a campaign distributing RemcosRAT through a sophisticated infection chain involving steganography techniques. The attack starts with a malicious Word document exploiting template injection, leading to the download of an RTF file that leverages an equation editor…

process-hollowing

malicious-documents

Published: May 8, 2024

Downloadable IOCs: 4

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