SecuriTricks - latrodectus

Certified OysterLoader: Tracking Rhysida ransomware gang activity via code-signing certificates

The Rhysida ransomware gang, formerly known as Vice Society, is conducting an ongoing malicious ad campaign to deliver OysterLoader malware. This initial access tool establishes a foothold on devices for dropping a persistent backdoor. The campaign uses Bing search engine advertisements to direct u…

ransomware

malvertising

microsoft trusted signing

oysterloader

Published: November 3, 2025

Downloadable IOCs: 271

From a Single Click: How Lunar Spider Enabled a Near Two-Month Intrusion

A user executed a malicious JavaScript file linked to Lunar Spider, initiating a two-month intrusion. The file downloaded a Brute Ratel DLL, which then injected Latrodectus malware. The threat actor used various tools including Cobalt Strike, BackConnect, and a custom .NET backdoor for persistence …

credential-harvesting

cobalt-strike

2025-09-29

Published: September 29, 2025

Downloadable IOCs: 0

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

The ClickFix social engineering technique has gained popularity among threat actors, targeting thousands of devices globally. It tricks users into executing malicious commands on their devices by exploiting their tendency to solve minor technical issues. The technique often impersonates legitimate …

atomic macos stealer (amos)

lampion

2025-08-21

windows run dialog

Published: August 21, 2025

Downloadable IOCs: 10

Fix the Click: Preventing the ClickFix Attack Vector

This article discusses the rising threat of ClickFix, a social engineering technique used by threat actors to trick victims into executing malicious commands under the guise of quick fixes for computer issues. The technique has been observed in campaigns distributing various malware, including NetS…

Published: July 10, 2025

Downloadable IOCs: 65

Danabot: Analyzing a fallen empire

ESET Research shares insights into Danabot, an infostealer recently disrupted by law enforcement. The malware, tracked since 2018, evolved from a banking trojan to a versatile tool for data theft and malware distribution. Operated as a malware-as-a-service, Danabot offered features like data steali…

Published: May 25, 2025

Downloadable IOCs: 1

Threat actors misuse Node.js to deliver malware and other malicious payloads

Since October 2024, threat actors have been leveraging Node.js to deliver malware and payloads for information theft and data exfiltration. A recent malvertising campaign uses cryptocurrency trading themes to lure users into downloading malicious installers. The attack chain includes initial access…

Published: April 15, 2025

Downloadable IOCs: 0

Threat actors leverage tax season to deploy tax-themed phishing campaigns

Microsoft has observed several phishing campaigns using tax-related themes to steal credentials and deploy malware as Tax Day approaches in the United States. These campaigns use redirection methods like URL shorteners and QR codes in malicious attachments, and abuse legitimate services to avoid de…

remote access trojans

Published: April 3, 2025

Downloadable IOCs: 0

A Practical Guide to Uncovering Malicious Infrastructure With Hunt.io

This guide demonstrates how to use Hunt.io to investigate and track malicious infrastructure. Starting with a single suspicious IP address, the process involves analyzing hosting providers, domain information, open ports, HTTP responses, and TLS certificates. The investigation reveals connections t…

latrodectus

malicious infrastructure

Published: March 25, 2025

Downloadable IOCs: 0

2024 Malicious Infrastructure Insights: Key Trends and Threats

The report highlights significant trends in malicious infrastructure for 2024, including the rise of malware-as-a-service infostealers, continued dominance of Cobalt Strike among offensive security tools, and increased use of legitimate services by threat actors. Key findings include LummaC2's domi…

malicious infrastructure

remote access trojans

2025-02-28

traffic distribution systems

mozi botnet

state-sponsored groups

command-and-control servers

solarmarker rat

offensive security tools

Published: February 28, 2025

Downloadable IOCs: 0

Pronsis Loader: A JPHP-Driven Malware Diverging from D3F@ck Loader

A new malware called Pronsis Loader has been discovered, with similarities to D3F@ck Loader. Both use JPHP-compiled executables, but Pronsis uses NSIS for installation instead of Inno Setup. Pronsis Loader typically delivers Lumma Stealer and Latrodectus payloads. It employs defense evasion techniq…

Published: December 4, 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…

Published: November 18, 2024

Downloadable IOCs: 0

LUNAR SPIDER Enabling Ransomware Attacks on Financial Sector with Brute Ratel C4 and Latrodectus

LUNAR SPIDER, a Russian-speaking financially motivated threat group, has resumed operations following law enforcement disruptions. They've shifted from using IcedID to leveraging Latrodectus and Brute Ratel C4 malware, targeting financial services through SEO poisoning malvertising campaigns. The g…

infrastructure sharing

Published: October 31, 2024

Downloadable IOCs: 0

New Bumblebee Loader Infection Chain Signals Possible Resurgence

A new infection chain for the Bumblebee loader malware has been discovered, potentially indicating its resurgence after Operation Endgame. The sophisticated downloader, first identified in March 2022, is used by cybercriminals to access corporate networks and deliver payloads like Cobalt Strike bea…

Published: October 21, 2024

Downloadable IOCs: 11

Inside the Latrodectus Malware Campaign

The Latrodectus malware campaign employs a combination of traditional phishing techniques and innovative payload delivery methods to target financial, automotive, and healthcare sectors. The attack chain begins with compromised emails containing malicious PDF or HTML attachments, which redirect use…

Published: October 21, 2024

Downloadable IOCs: 20

Latrodectus Rapid Evolution Continues With Latest New Payload Features

This report discusses the latest updates to the Latrodectus malware, including a different string deobfuscation approach, a new C2 endpoint, and two new backdoor commands. It provides an in-depth analysis of the new version 1.4, focusing on the new features added or updated in this variant. The rep…

Published: August 30, 2024

Downloadable IOCs: 10

Double Trouble: Latrodectus And ACR Stealer Observed Spreading Via Google Authenticator Phishing Site

The Cyble Research and Intelligence Lab (CRIL) discovered a sophisticated phishing website mimicking Google Safety Centre, designed to trick users into downloading malware. The malware, compromising security and stealing sensitive information, drops two threats: Latrodectus, which maintains persist…

Published: August 20, 2024

Linked vulnerabilities : CVE-2024-21887, CVE-2023-46805, CVE-2021-44228, CVE-2017-11882, CVE-2024-21412, CVE-2024-21893

Downloadable IOCs: 15

Spring Cleaning with LATRODECTUS: A Potential Replacement for ICEDID

LATRODECTUS is a malware loader gaining popularity among cybercriminals, with strong connections to the ICEDID malware family. It offers standard capabilities for deploying payloads and conducting post-exploitation activities. Initially discovered by Walmart researchers in 2023, it continues evolvi…

financially-motivated

Published: May 17, 2024

Downloadable IOCs: 7

Tag: latrodectus

Attack reports

Interlock and Rhysida within the Ransomware Ecosystem

ClickFix in action: how fake captcha can encrypt an entire company

Malicious Infrastructure Finds Stability with aurologic GmbH

Certified OysterLoader: Tracking Rhysida ransomware gang activity via code-signing certificates

From a Single Click: How Lunar Spider Enabled a Near Two-Month Intrusion

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

Fix the Click: Preventing the ClickFix Attack Vector

Danabot: Analyzing a fallen empire

Threat actors misuse Node.js to deliver malware and other malicious payloads

Threat actors leverage tax season to deploy tax-themed phishing campaigns

A Practical Guide to Uncovering Malicious Infrastructure With Hunt.io

2024 Malicious Infrastructure Insights: Key Trends and Threats

Pronsis Loader: A JPHP-Driven Malware Diverging from D3F@ck Loader

Security Brief: ClickFix Social Engineering Technique Floods Threat Landscape

LUNAR SPIDER Enabling Ransomware Attacks on Financial Sector with Brute Ratel C4 and Latrodectus

New Bumblebee Loader Infection Chain Signals Possible Resurgence

Inside the Latrodectus Malware Campaign

Latrodectus Rapid Evolution Continues With Latest New Payload Features

Double Trouble: Latrodectus And ACR Stealer Observed Spreading Via Google Authenticator Phishing Site

Spring Cleaning with LATRODECTUS: A Potential Replacement for ICEDID