Tag: downloader

16 Attack Reports | 0 Vulnerabilities

Attack reports

Malicious HWP Document Disguised as Reunification Education Support Application

A deceptive HWP document, masquerading as a reunification education support application, was discovered on March 5. The document, when opened, creates multiple files in the TEMP folder, including a malicious BAT file. This BAT file executes various actions to ensure persistent malware operation, in…

Published: April 17, 2025

Downloadable IOCs: 3

BeaverTail and Tropidoor Malware Distributed via Recruitment Emails

A sophisticated malware campaign has been uncovered, involving the distribution of BeaverTail and Tropidoor malware through fake recruitment emails. The attackers, suspected to be of North Korean origin, impersonated a developer community to lure victims into downloading malicious code. The campaig…

invisibleferret

Published: April 3, 2025

Downloadable IOCs: 6

TookPS distributed under the guise of UltraViewer, AutoCAD, and Ableton

A malware campaign is distributing the TookPS downloader by impersonating popular software like UltraViewer, AutoCAD, SketchUp, Ableton, and Quicken. The malware establishes an SSH tunnel for remote access and deploys additional payloads like TeviRat and Lapmon backdoors. The attackers gain full sy…

software impersonation

Published: April 3, 2025

Downloadable IOCs: 17

LegionLoader exposed!

LegionLoader, also known as Satacom, CurlyGate, and RobotDropper, is an active downloader malware that has gained significant traction recently, amassing over 2,000 samples in weeks. The campaign appears to have started on December 19, 2024, with Brazil being the most affected country. The malware …

drive-by download

Published: February 10, 2025

Downloadable IOCs: 108

Phorpiex - Downloader Delivering Ransomware

The report analyzes the Phorpiex botnet's role in delivering LockBit Black Ransomware. It highlights the automated execution of ransomware through Phorpiex, minimal changes to the botnet's code since its source code sale in 2021, and direct deployment of LockBit without network expansion. The analy…

Published: January 29, 2025

Downloadable IOCs: 14

Proxyware Being Distributed Through Ad Pages

Security researchers have confirmed the unauthorized installation of proxyware on systems through advertisement pages from freeware software sites. The proxyware, identified as DigitalPulse, allows threat actors to share a portion of the system's Internet bandwidth for financial gain without user c…

Published: January 21, 2025

Downloadable IOCs: 3

A new playground: Malicious campaigns proliferate from VSCode to npm

This intelligence details the emergence of malicious campaigns spreading from VSCode to npm. Researchers observed an increasing amount of malicious activity in VSCode Marketplace, with threat actors using npm packages to inject malicious code into VSCode IDE. The campaign initially targeted the cry…

software supply chain

malicious extensions

Published: December 19, 2024

Downloadable IOCs: 2

Attacks by APT-C-60 Group Exploiting Legitimate Services

The APT-C-60 group targeted organizations in Japan and East Asia with a sophisticated attack campaign. The attack begins with a phishing email containing a Google Drive link to download a VHDX file. This file includes an LNK file that executes a downloader, which then retrieves a backdoor called Sp…

Published: November 27, 2024

Downloadable IOCs: 0

Hive0147 serving juicy Picanha with a side of Mekotio

IBM X-Force observed Hive0147, a highly active threat group in Latin America, distributing a new Golang-based downloader named Picanha to deploy the Mekotio banking trojan. Picanha is a two-stage malware that uses advanced techniques like direct syscalls and supports multiple download URLs, reliabl…

Published: October 17, 2024

Downloadable IOCs: 20

There's Something About CryptBot: Yet Another Silly Stealer

This report provides an in-depth technical analysis of a new variant of the CryptBot infostealer, dubbed Yet Another Silly Stealer (YASS). It details the delivery chain, involving the MustardSandwich downloader, and dissects the YASS payload's functionalities, including its data gathering, encrypti…

mustardsandwich

Published: September 11, 2024

Downloadable IOCs: 13

Zharkbot Strings

Zharkbot is a C++ downloader with extensive anti-analysis and anti-sandbox features. It uses in-line string encryption and API calls, making static and emulation analysis challenging. The malware performs sandbox detection by checking for specific usernames and hypervisors. It installs itself in th…

string encryption

c2 communication

Published: September 3, 2024

Downloadable IOCs: 2

Threat Tracking: Analysis of Lilith RAT ported to AutoIt Script

In April 2024, S2W's Threat Research and Intelligence Center TALON analyzed a malicious LNK file disguised as a list of tax evasion explanatory documents. The LNK file executed a PowerShell command to download and run an AutoIt script-based Lilith RAT malware from an attacker's server, which establ…

Published: August 23, 2024

Downloadable IOCs: 33

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

Fake update puts visitors at risk

This intelligence report discusses SocGholish, a JavaScript downloader used by threat actors to deliver malware payloads disguised as fake browser updates. It analyzes the recent tactics, techniques, and procedures employed by threat groups like Evil Corp in compromising WordPress websites, fingerp…

redline stealer

Published: July 24, 2024

Downloadable IOCs: 10

SmokeLoader Evolution Through The Years

This report provides an in-depth analysis of the evolution of SmokeLoader, a prominent malware downloader that has been active since 2011. It examines the significant changes and improvements introduced in SmokeLoader versions from 2015 to 2022, including updates to its communication protocol, encr…

Published: July 3, 2024

Downloadable IOCs: 11

DBatLoader Distributed via CMD Files

A cybersecurity analysis has identified a malicious operation involving the distribution of a downloader, dubbed DBatLoader or ModiLoader, through CMD files disguised as innocuous files. The campaign leverages phishing emails containing compressed CMD files that, when executed on English-language W…

Published: June 27, 2024

Downloadable IOCs: 0

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