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Tag: malware analysis

Deconstructing a Cyber Deception: An Analysis of the Clickfix HijackLoader Phishing Campaign 

Estimated reading time: 6 minutes

Table of Contents  Introduction  The Evolving Threat of Attack Loaders  Objective of This Blog  Technical Methodology and Analysis  Initial Access and Social Engineering  Multi-Stage Obfuscation and De-obfuscation  Anti-Analysis Techniques  The Final Payload  Conclusion  IOCs  Quick Heal \ Seqrite Protection ...
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September 12, 2025

Malware Campaign Leverages SVGs, Email Attachments, and CDNs to Drop XWorm and Remcos via BAT Scripts

Estimated reading time: 8 minutes

Table of Content: Introduction Infection Chain Process Tree Campaign 1: – Persistence – BATCH files – PowerShell script – Loader – Xworm/Remcos Campaign 2 Conclusion IOCS Detections MITRE ATTACK TTPs Introduction: Recent threat campaigns have revealed an evolving use...
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September 11, 2025

Operation BarrelFire: NoisyBear targets entities linked to Kazakhstan’s Oil & Gas Sector.

Estimated reading time: 10 minutes

Recent Development: KMG Group of Companies Confirm Simulation, Not a Real Attack Thankfully, as KMG has publicly acknowledged, this was not an actual cyberattack but an internal simulation exercise. Contents Introduction Key Targets Industries Affected. Geographical Focus. Infection Chain....
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September 4, 2025

PromptLock: The First AI-Powered Ransomware & How It Works

PromptLock: The First AI-Powered Ransomware & How It Works

Estimated reading time: 4 minutes

Introduction AI-powered malware has become quite a trend now. We have always been discussing how threat actors could perform attacks by leveraging AI models, and here we have a PoC demonstrating exactly that. Although it has not yet been...
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August 29, 2025

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

Masslogger Fileless Variant – Spreads via .VBE, Hides in Registry

Estimated reading time: 9 minutes

During our recent investigation at Seqrite Labs, we identified a sophisticated variant of Masslogger credential stealer malware spreading through .VBE (VBScript Encoded) files. Initially, the variant appeared to be a typical script-based threat, but upon deeper analysis it turned...
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June 18, 2025

Operation DRAGONCLONE: Chinese Telecommunication industry targeted via VELETRIX & VShell malware

Operation DRAGONCLONE: Chinese Telecommunication industry targeted via VELETRIX & VShell malware

Estimated reading time: 10 minutes

Contents Introduction Initial Findings Infection Chain. Technical Analysis Stage 0 – Malicious ZIP File. Stage 1 – Malicious VELETRIX implant. Stage 2 – Malicious V-Shell implant. Hunting and Infrastructure. Attribution Conclusion Seqrite Protection. IOCs MITRE ATT&CK. Authors: Subhajeet Singha...
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June 6, 2025

Kimsuky: A Continuous Threat to South Korea with Deceptive Tactics

Kimsuky: A Continuous Threat to South Korea with Deceptive Tactics

Estimated reading time: 8 minutes

Table of Contents: Introduction Threat Profile Infection Chain Campaign-1 Analysis of Decoy: Technical Analysis Fingerprint of ROKRAT’s Malware Campaign-2 Analysis of Decoy Technical analysis Detailed analysis of Decoded tony31.dat Conclusion Seqrite Protections MITRE Att&ck: IoCs Introduction: Security researchers at...
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April 4, 2025

Operation HollowQuill: Malware delivered into Russian R&D Networks via Research Decoy PDFs

Operation HollowQuill: Malware delivered into Russian R&D Networks via Research Decoy PDFs

Estimated reading time: 10 minutes

Contents Introduction Key Targets Industries Affected Geographical Focus Infection Chain Initial Findings Looking into the decoy-document Technical Analysis Stage 1 – Malicious RAR File Stage 2 – Malicious .NET malware-dropper Stage 3 – Malicious Golang Shellcode loader Stage 4...
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March 31, 2025

SnakeKeylogger: A Multistage Info Stealer Malware Campaign

SnakeKeylogger: A Multistage Info Stealer Malware Campaign

Estimated reading time: 6 minutes

Info-stealer malware has become a growing threat, with attackers constantly refining their techniques to evade detection. Among these threats, SnakeKeylogger has emerged as one of the highly active credential-stealing malware, targeting individuals and businesses. Known for its multi-stage infection...
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March 25, 2025

New Steganographic Campaign Distributing Multiple Malware

New Steganographic Campaign Distributing Multiple Malware

Estimated reading time: 7 minutes

Recently we have observed multiple stealer malware such as Remcos, DcRAT,AgentTesla, VIPKeyLogger, etc. distributed through a steganographic campaign.  On tracing the roots, the campaign has been around for a while but has not been active since long. What makes...
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March 17, 2025
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