Estimated reading time: 8 minutes
Introduction Seqrite Labs recently identified a malware distribution campaign that abused the credibility of government institutions to increase infection success rates. The threat actors impersonated legitimate government departments and distributed malicious emails disguised as official notifications related to taxation,...
Estimated reading time: 11 minutes
Contents Introduction Key Targets Industries Affected Geographical focus Infection Chain Initial Findings Looking into the Decoy Document Technical Analysis Stage 1 – Initial Infection through LNK file Stage 2 – PowerShell Downloader Analysis Stage 3 – The .NET Dropper...
Estimated reading time: 7 minutes
Table of Contents Introduction Infection Chain Technical Analysis Conclusion Seqrite Coverage Indicators of Compromise (IOCs) MITRE ATT&CK Mapping Introduction The Seqrite Threat Research Team identified a targeted spear-phishing campaign disguised as a legitimate business invoice. The phishing email impersonates a legitimate...
Estimated reading time: 15 minutes
Authors: Dixit Panchal & Soumen Burma Table of Contents: Introduction: Key Targets: Infection Chain: Initial Findings about Campaign: Initial Mail: Email Attachment: Lure: Official GoI, Income Tax Document: Technical Analysis: Infrastructural Artefacts & Threat actor Attributions. Campaign Timeline. Conclusion:...
Estimated reading time: 7 minutes
Authors: Vaibhav Krushna Billade, Dixit Panchal & Rumana Siddiqui. Table of Contents Introduction Key Targets Infection Chain Initial Campaign Findings Technical Analysis Stage 1: Initial Delivery (RAR Archive) Stage 2: Rouki-Obfuscated Batch Loader Stage 3: Startup Persistence Script Stage...
Estimated reading time: 13 minutes
Contents Introduction Key Targets Industries Affected Geographical focus Infection Chain Initial Findings Looking into the Decoy Document Technical Analysis Stage 1 – Initial Delivery Path A: LNK-Based Execution Path B: Executable-Based Delivery Stage 2 – Script-Based Dropper Chain Stage...
Estimated reading time: 18 minutes
Authors: Dixit Panchal & Vaibhav Krushna Billade Table of Contents: Introduction: Key Targets: Infection Chain: Initial Findings about Campaign: Analysis of Decoy: Technical Analysis: Stage 1: Analysis of LNK File. Stage 2: Analysis of HTA/JavaScript Payload Stage 3: Analysis...
Estimated reading time: 10 minutes
Table of Contents: Introduction: Key Targets: Infection Chain: Initial Findings about Campaign: Analysis of Decoys & Spear phishing Email: Technical Analysis: Stage1: Analysis of LNK File. Stage2: Analysis of VBS. Stage3: DLL Side Loading. Infrastructural Artefacts & Threat actor...
Estimated reading time: 17 minutes
Table of Contents: Introduction: Key Targets: Infection Chain: Initial Findings about Campaign: Analysis of Decoys: Technical Analysis: Campaign-1: Stage-1: Ho so.rar Campaign: 2 Stage-1: download.zip Stage-2: The LNK & Batch file (Common in 1 & 2 both) Stage-3: Analysis...
Estimated reading time: 11 minutes
Operation DualScript – A Multi-Stage PowerShell Malware Campaign Targeting Cryptocurrency and Financial Activity Introduction During our investigation, we identified a multi-stage malware infection leveraging Scheduled Task persistence, VBScript launchers, and PowerShell-based execution. The attack operates through two parallel chains:...