SecuriTricks - asyncrat

Detecting Multi-Stage Infection Chains Madness

This analysis examines a complex multi-stage attack exploiting a resilient network infrastructure known as 'Cloudflare tunnel infrastructure to deliver multiple RATs' since February 2024. The infection chain involves multiple steps, including phishing emails with malicious attachments, execution of…

phishing

asyncrat

cyber threat intelligence

detection rules

Published: April 22, 2025

Downloadable IOCs: 15

Phishing campaign impersonates Booking.com, delivers a suite of credential-stealing malware

A phishing campaign targeting organizations in the hospitality industry has been identified, impersonating Booking.com and using the ClickFix social engineering technique to deliver multiple credential-stealing malware. The campaign, tracked as Storm-1865, targets individuals likely to work with Bo…

Published: April 13, 2025

Downloadable IOCs: 0

Remote Monitoring and Management (RMM) Tooling Increasingly an Attacker's First Choice

Threat actors are increasingly using legitimate remote monitoring and management (RMM) tools as initial payloads in email campaigns. This trend aligns with a decrease in the use of traditional loaders and botnets by initial access brokers. RMMs can be exploited for data collection, financial theft,…

Published: March 12, 2025

Downloadable IOCs: 15

Desert Dexter.Attacks on Middle Eastern Countries

A malicious campaign targeting residents of Middle East and North Africa has been discovered, active since September 2024. The attackers create fake news groups on social media and publish posts with links to file-sharing services or Telegram channels containing modified AsyncRAT malware. The malwa…

Published: March 11, 2025

Downloadable IOCs: 2

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

Fake GitHub projects distribute stealers in GitVenom campaign

The GitVenom campaign involves threat actors creating hundreds of fake repositories on GitHub containing malicious code disguised as legitimate projects. These repositories include well-designed README files and artificially inflated commit numbers to appear genuine. The malicious code, implemented…

Published: February 24, 2025

Downloadable IOCs: 2

AsyncRAT Reloaded: Using Python and TryCloudflare for Malware Delivery Again

A new AsyncRAT malware campaign has been identified, utilizing malicious payloads delivered through TryCloudflare quick tunnels and Python packages. The attack chain begins with a phishing email containing a Dropbox URL, leading to a ZIP file with an internet shortcut. This triggers a series of dow…

Published: February 1, 2025

Downloadable IOCs: 0

Security Brief: Threat Actors Take Taxes Into Account

Proofpoint researchers have identified an increase in campaigns and malicious domains impersonating tax agencies and financial organizations. This aligns with the annual increase in tax-related content observed from December through April. Phishing lures impersonate government agencies and financia…

credential harvesting

metastealer

zgrat

malware delivery

government impersonation

Published: January 28, 2025

Downloadable IOCs: 0

APT-C-36 (Blind Eagle) continues to target Colombia

APT-C-36, known as Blind Eagle, is suspected to originate from South America and primarily targets Colombia and other South American countries. Since October 2024, the group has been using more diverse and complex attack methods against Colombian entities. Their tactics involve multi-stage payload …

government impersonation

Published: December 17, 2024

Downloadable IOCs: 4

Analysis of Recent Attack Activities Targeting China Using Research Project Plans as Bait

The Patchwork APT group, also known as Hangover and Dropping Elephant, has been conducting cyber espionage activities since 2009, primarily targeting Asian countries including China and Pakistan. Recently, they launched a phishing campaign against Chinese research personnel using a document titled …

asyncrat

2024-12-10

badnews

Published: December 10, 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

CVE-2024-38213: From Crumbs to Full Compromise in a Stealthy Cyber Attack

A targeted email campaign exploiting CVE-2024-38213 has been uncovered, disguised as communication related to the Gas Infrastructure Europe Annual Conference in Munich. The attack bypasses standard security protocols to deploy LummaStealer malware, stealing sensitive data. The vulnerability, known …

Published: November 8, 2024

Downloadable IOCs: 0

Analysis of AsyncRAT's Infection Tactics via Open Directories

This analysis explores two distinct methods used to infect systems with AsyncRAT through open directories. The first technique involves a multi-stage process using various obfuscated scripts (VBS, BAT, PowerShell) and disguised files to download and execute the AsyncRAT payload. The second method e…

multi-stage infection

Published: November 7, 2024

Downloadable IOCs: 15

Malware by the (Bit)Bucket: Uncovering AsyncRAT

A sophisticated attack campaign using Bitbucket as a legitimate platform to deliver AsyncRAT has been uncovered. The multi-stage approach involves a VBScript obfuscation layer, followed by a PowerShell payload delivery mechanism, and culminates in the execution of AsyncRAT. The attackers exploit Bi…

Published: October 10, 2024

Downloadable IOCs: 0

Tweaking AsyncRAT: Using Python and TryCloudflare to Deploy Malware

A new AsyncRAT malware campaign utilizes TryCloudflare quick tunnels and Python packages to deliver malicious payloads. The attack chain involves HTML attachments with 'search-ms' URI protocol handlers, leading to LNK files that download BAT files. These BAT files then retrieve and execute Python s…

Published: October 4, 2024

Downloadable IOCs: 15

BlindEagle Targets Colombian Insurance Sector with BlotchyQuasar

BlindEagle, an advanced persistent threat actor, has been observed targeting the Colombian insurance sector using the BlotchyQuasar Remote Access Trojan. The attack chain begins with phishing emails impersonating the Colombian tax authority, containing links to malware hosted on compromised Google …

Published: September 5, 2024

Downloadable IOCs: 16

Exploring AsyncRAT and Infostealer Plugin Delivery Through…

This analysis details an AsyncRAT infection observed in August 2024, delivered via email. The attack chain involves a Windows Script File that downloads and executes various scripts, ultimately leading to the installation of AsyncRAT with an infostealer plugin. The malware targets multiple browsers…

cryptocurrency wallets

browser data theft

Published: September 2, 2024

Linked vulnerabilities : CVE-2024-7593 (CVSS 9.8), CVE-2024-28986

Downloadable IOCs: 8

PureHVNC Deployed via Python Multi-stage Loader

FortiGuard Labs uncovered a sophisticated attack campaign utilizing multiple obfuscation and evasion techniques to distribute and execute various malware, including VenomRAT, XWorm, AsyncRAT, and PureHVNC. The campaign starts with a phishing email containing a malicious attachment that initiates a …

Published: August 9, 2024

Downloadable IOCs: 18

Quartet of Trouble: XWorm, AsyncRAT, VenomRAT, and...

eSentire's Threat Response Unit (TRU) uncovered a malware campaign affecting a government customer. The infection involved multiple threats - XWorm, VenomRAT, PureLogs Stealer, and AsyncRAT - hosted on a TryCloudflare WebDAV server. The initial vector was a phishing email with a malicious ZIP file.…

Published: August 5, 2024

Downloadable IOCs: 7

Threat Actor Abuses Cloudflare Tunnels to Deliver RATs

Proofpoint is tracking a cluster of cybercriminal threat activity leveraging Cloudflare Tunnels to deliver malware, particularly remote access trojans (RATs) like Xworm, AsyncRAT, VenomRAT, GuLoader, and Remcos. The campaigns employ various techniques, such as using URL files to establish connectio…

Published: August 1, 2024

Downloadable IOCs: 13

Distribution of AsyncRAT Disguised as Ebook

This analysis covers the distribution of AsyncRAT malware disguised as an ebook. The compressed file contains a malicious LNK and PowerShell scripts that ultimately execute AsyncRAT. The malware employs various techniques, such as obfuscation, task scheduling, and anti-VM and anti-AV capabilities, …

Published: July 10, 2024

Downloadable IOCs: 5

Exploring the Infection Chain: ScreenConnect's Link to AsyncRAT Deployment

In June 2024, eSentire's Threat Response Unit observed several incidents involving users downloading the ScreenConnect remote access client, potentially facilitated through drive-by downloads. Threat actors exploited ScreenConnect to establish unauthorized remote sessions, ultimately deploying the …

Published: July 5, 2024

Downloadable IOCs: 77

Side Loading through IObit against Colombia

In May 2024, researchers detected a phishing campaign impersonating the Colombian Attorney General's Office, aiming to infect systems with AsyncRAT malware. The attack employs a ZIP file containing legitimate IObit antivirus software and malicious files, utilizing DLL side-loading for execution. Wh…

Published: May 29, 2024

Downloadable IOCs: 3

PDF “Flawed Design” Exploitation

Check Point Research identified an unusual pattern involving PDF exploitation, mainly targeting users of Foxit Reader. This exploit triggers security warnings that could deceive users into executing harmful commands. The exploitation occurs through a flawed design in Foxit Reader, showing 'OK' as t…

Published: May 14, 2024

Downloadable IOCs: 40

Tracking the Surge in Non-PE Cyber Threats

This intelligence report details a sophisticated infection chain that culminates in the deployment of AsyncRAT, a potent malware designed to breach computer systems and steal confidential data. The meticulous analysis unravels the intricate sequence, commencing with a spam email containing a malici…

Published: May 9, 2024

Downloadable IOCs: 13

Tag: asyncrat

Attack reports

Detecting Multi-Stage Infection Chains Madness

Phishing campaign impersonates Booking.com, delivers a suite of credential-stealing malware

The rising threat of social engineering through fake fixes

Operation AkaiRyū: Europe invited to Expo 2025 and ANEL backdoor revived

New Steganographic Campaign Distributing Multiple Malware Variants

Remote Monitoring and Management (RMM) Tooling Increasingly an Attacker's First Choice

Desert Dexter.Attacks on Middle Eastern Countries

2024 Malicious Infrastructure Insights: Key Trends and Threats

Fake GitHub projects distribute stealers in GitVenom campaign

AsyncRAT Reloaded: Using Python and TryCloudflare for Malware Delivery Again

Security Brief: Threat Actors Take Taxes Into Account

APT-C-36 (Blind Eagle) continues to target Colombia

Analysis of Recent Attack Activities Targeting China Using Research Project Plans as Bait

Security Brief: ClickFix Social Engineering Technique Floods Threat Landscape

CVE-2024-38213: From Crumbs to Full Compromise in a Stealthy Cyber Attack

Analysis of AsyncRAT's Infection Tactics via Open Directories

Malware by the (Bit)Bucket: Uncovering AsyncRAT

Tweaking AsyncRAT: Using Python and TryCloudflare to Deploy Malware

BlindEagle Targets Colombian Insurance Sector with BlotchyQuasar

Exploring AsyncRAT and Infostealer Plugin Delivery Through…

PureHVNC Deployed via Python Multi-stage Loader

Quartet of Trouble: XWorm, AsyncRAT, VenomRAT, and...

Threat Actor Abuses Cloudflare Tunnels to Deliver RATs

Distribution of AsyncRAT Disguised as Ebook

Exploring the Infection Chain: ScreenConnect's Link to AsyncRAT Deployment

Side Loading through IObit against Colombia

PDF “Flawed Design” Exploitation

Tracking the Surge in Non-PE Cyber Threats