Category: Malware Analysis

Articles tagged Malware Analysis

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Beyond the wail: deconstructing the BANSHEE infostealer

Beyond the wail: deconstructing the BANSHEE infostealer

The BANSHEE malware is a macOS-based infostealer that targets system information, browser data, and cryptocurrency wallets.

Elastic Security Labs
BITS and Bytes: Analyzing BITSLOTH, a newly identified backdoor

BITS and Bytes: Analyzing BITSLOTH, a newly identified backdoor

Elastic Security Labs identified a novel Windows backdoor leveraging the Background Intelligent Transfer Service (BITS) for C2. This malware was found during a recent activity group tracked as REF8747.

Seth Goodwin
Dipping into Danger: The WARMCOOKIE backdoor

Dipping into Danger: The WARMCOOKIE backdoor

Elastic Security Labs observed threat actors masquerading as recruiting firms to deploy a new malware backdoor called WARMCOOKIE. This malware has standard backdoor capabilities, including capturing screenshots, executing additional malware, and reading/writing files.

Daniel Stepanic
Globally distributed stealers

Globally distributed stealers

This article describes our analysis of the top malware stealer families, unveiling their operation methodologies, recent updates, and configurations. By understanding the modus operandi of each family, we better comprehend the magnitude of their impact and can fortify our defences accordingly.

Salim Bitam
Spring Cleaning with LATRODECTUS: A Potential Replacement for ICEDID

Spring Cleaning with LATRODECTUS: A Potential Replacement for ICEDID

Elastic Security Labs has observed an uptick in a recent emerging loader known as LATRODECTUS. This lightweight loader packs a big punch with ties to ICEDID and may turn into a possible replacement to fill the gap in the loader market.

Daniel Stepanic
Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Four

Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Four

In previous articles in this multipart series, malware researchers on the Elastic Security Labs team decomposed the REMCOS configuration structure and gave details about its C2 commands. In this final part, you’ll learn more about detecting and hunting REMCOS using Elastic technologies.

Cyril François
Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Three

Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Three

In previous articles in this multipart series, malware researchers on the Elastic Security Labs team dove into the REMCOS execution flow. In this article, you’ll learn more about REMCOS configuration structure and its C2 commands.

Cyril François
Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Two

Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part Two

In the previous article in this series on the REMCOS implant, we shared information about execution, persistence, and defense evasion mechanisms. Continuing this series we’ll cover the second half of its execution flow and you’ll learn more about REMCOS recording capabilities and communication with its C2.

Cyril François
Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part One

Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part One

This malware research article describes the REMCOS implant at a high level, and provides background for future articles in this multipart series.

Cyril François
500ms to midnight: XZ A.K.A. liblzma backdoor

500ms to midnight: XZ A.K.A. liblzma backdoor

Elastic Security Labs is releasing an initial analysis of the XZ Utility backdoor, including YARA rules, osquery, and KQL searches to identify potential compromises.

Samir Bousseaden
Ransomware in the honeypot: how we capture keys with sticky canary files

Ransomware in the honeypot: how we capture keys with sticky canary files

This article describes the process of capturing encryption keys from ransomware using Elastic Defend ransomware protection.

Salim Bitam
Introduction to Hex-Rays decompilation internals

Introduction to Hex-Rays decompilation internals

In this publication, we delve into Hex-Rays microcode and explore techniques for manipulating the generated CTree to deobfuscate and annotate decompiled code.

Salim Bitam

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