SecuriTricks - spear-phishing

Analysis of the threat case of kimsuky group using 'ClickFix' tactic

The Kimsuky group has adopted a deceptive tactic called 'ClickFix' to trick users into unknowingly participating in attack chains. This method involves disguising malicious instructions as troubleshooting guides or security document verification procedures. The campaign is believed to be an extensi…

social engineering

powershell

Published: July 2, 2025

Downloadable IOCs: 40

Strategic Pivot: From Browser Stealer to Data Exfiltration Platform During Critical Ukraine Negotiations

The cyber-espionage group UAC-0226 has significantly evolved its GIFTEDCROOK malware from a basic browser data stealer to a robust intelligence-gathering tool. Three versions were identified between April-June 2025, with the latest iterations capable of exfiltrating a wide range of sensitive docume…

Published: June 27, 2025

Linked vulnerabilities : CVE-2025-5777 (CVSS 9.3)

Downloadable IOCs: 11

Analysis of APT37 Attack Case Disguised as a Think Tank for National Security Strategy in South Korea (Operation ToyBox Story)

APT37, a North Korean state-sponsored hacking group, launched a spear phishing campaign targeting activists focused on North Korea. The attack involved emails with Dropbox links to malicious LNK files, which when executed, activated additional malware. The group utilized legitimate cloud services a…

Published: June 6, 2025

Downloadable IOCs: 1

Operation Sindoor – Anatomy of a Digital Siege

Operation Sindoor, a coordinated cyber campaign targeting critical Indian sectors, involved state-sponsored APT activity and hacktivist operations. The campaign utilized spear phishing, malicious scripts, website defacements, and data leaks. APT36, a Pakistan-aligned threat group, deployed advanced…

Published: June 4, 2025

Downloadable IOCs: 0

New Russia-affiliated actor Void Blizzard targets critical sectors for espionage

Void Blizzard, a newly identified Russia-affiliated threat actor, has been conducting global cyberespionage operations since April 2024. Their primary targets are organizations in critical sectors, particularly in NATO member states and Ukraine, including government, defense, transportation, media,…

Published: May 27, 2025

Downloadable IOCs: 3

Operation Sindoor: Anatomy of a High-Stakes Cyber Siege

Operation Sindoor, a coordinated cyber campaign targeting India's critical sectors, involved state-sponsored APT activity and hacktivist operations. The attack utilized spear phishing, malicious scripts, website defacements, and data leaks. APT36, a Pakistan-aligned threat group, employed advanced …

Published: May 23, 2025

Downloadable IOCs: 8

April 2025 Threat Trend Report on APT Attacks (South Korea)

This analysis covers APT attacks detected in South Korea during April 2025. Spear phishing emerged as the primary distribution method for these attacks. Two main types of spear phishing were observed: Type A, which uses LNK files to distribute compressed malicious scripts for information leakage an…

Published: May 14, 2025

Downloadable IOCs: 3

Venom Spider Uses Server-Side Polymorphism to Weave a Web Around Victims

Arctic Wolf Labs discovered a new campaign by Venom Spider targeting corporate HR departments with fake resumes containing the More_eggs backdoor. The financially motivated threat group uses spear-phishing emails and abuses legitimate job platforms to apply for real jobs. The backdoor can steal cre…

Published: May 3, 2025

Downloadable IOCs: 3

Earth Kasha Updates TTPs in Latest Campaign Targeting Taiwan and Japan

Earth Kasha, an APT group believed to be part of APT10, has launched a new campaign in March 2025 targeting government agencies and public institutions in Taiwan and Japan. The campaign uses spear-phishing to deliver an updated version of the ANEL backdoor, potentially for espionage purposes. Key u…

Published: May 1, 2025

Downloadable IOCs: 36

Uyghur Diaspora Group Targeted with Remote Surveillance Malware

Senior members of the World Uyghur Congress (WUC) were targeted by a sophisticated spear phishing campaign aimed at deploying surveillance malware. The attack, discovered in March 2025, involved a trojanized version of a legitimate Uyghur language text editor. The malware enabled remote surveillanc…

trojanized application

uyghureditpp backdoor

Published: April 28, 2025

Downloadable IOCs: 0

New Stealer on the Horizon

SvcStealer 2025 is a novel information stealer delivered through spear phishing email attachments. It harvests sensitive data including machine information, installed software, user credentials, cryptocurrency wallets, and browser data. The malware creates a unique folder, terminates specific proce…

Published: April 23, 2025

Downloadable IOCs: 4

March 2025 APT Group Trends (South Korea)

This intelligence report analyzes Advanced Persistent Threat (APT) attacks in South Korea during March 2025. The majority of attacks were classified as spear phishing, with LNK file distribution being the most prevalent method. Two types of LNK-based attacks were identified: Type A, which uses a CA…

Published: April 10, 2025

Downloadable IOCs: 0

SVC New Stealer on the Horizon

SvcStealer 2025 is a newly discovered information stealer malware distributed through spear phishing emails. It targets sensitive data including machine information, installed software, user credentials, cryptocurrency wallets, and browser data. The malware creates a unique folder, terminates speci…

Published: March 21, 2025

Downloadable IOCs: 0

SideWinder targets the maritime and nuclear sectors with an updated toolset

The SideWinder APT group intensified its activities in the second half of 2024, targeting maritime infrastructures, logistics companies, and nuclear sectors across Asia, the Middle East, and Africa. The group updated its toolset, including improvements to its RTF exploit, JavaScript loader, and Bac…

Published: March 10, 2025

Linked vulnerabilities : CVE-2017-11882

Downloadable IOCs: 38

Multiple Russian Threat Actors Targeting Microsoft Device Code Authentication

Russian threat actors are conducting social-engineering and spear-phishing campaigns to compromise Microsoft 365 accounts using Device Code Authentication phishing. This method has proven more effective than traditional techniques. Campaigns have targeted organizations with politically-themed lures…

device code authentication

Published: February 14, 2025

Downloadable IOCs: 0

XELERA Ransomware Campaign: Fake Food Corporation of India Job Offers Targeting Tech Aspirants

A newly discovered ransomware campaign is targeting tech job aspirants in India using fake Food Corporation of India job offers. The XELERA ransomware, written in Python and packed with PyInstaller, is distributed through spear-phishing emails containing malicious Word documents. The infection chai…

Published: February 12, 2025

Downloadable IOCs: 4

Analysis of malicious HWP cases of 'APT37' group distributed through K messenger

The report details a sophisticated APT attack targeting South Korea, utilizing spear-phishing techniques and malicious HWP files distributed through a popular Korean messenger service. The APT37 group exploited trust-based tactics, using compromised accounts to spread malware through group chats. T…

Published: February 5, 2025

Downloadable IOCs: 0

CVE-2025-0411: Ukrainian Organizations Targeted in Zero-Day Campaign and Homoglyph Attacks

A zero-day vulnerability in 7-Zip (CVE-2025-0411) was exploited by Russian cybercrime groups to target Ukrainian organizations. The vulnerability allows bypassing Windows Mark-of-the-Web protections through double archiving, enabling execution of malicious content. The campaign involved spear-phish…

mark-of-the-web bypass

Published: February 4, 2025

Downloadable IOCs: 0

New Star Blizzard spear-phishing campaign targets WhatsApp accounts

Star Blizzard, a Russian threat actor, has launched a new spear-phishing campaign targeting WhatsApp accounts. The campaign, observed in mid-November 2024, marks a shift in the actor's tactics. Targets include government officials, diplomats, and researchers focused on Russia-related topics. The at…

Published: January 17, 2025

Downloadable IOCs: 2

December 2024 Threat Trend Report on APT Attacks (South Korea)

This intelligence report analyzes Advanced Persistent Threat (APT) attacks targeting South Korea in December 2024. The primary method of attack was spear phishing, with a focus on distributing LNK files. Two main types of attacks were identified: Type A, which uses compressed CAB files containing m…

Published: January 9, 2025

Downloadable IOCs: 3

Python-Based NodeStealer Version Targets Facebook Ads Manager

The latest variant of NodeStealer has evolved from JavaScript to Python, expanding its data theft capabilities. Trend Micro's MXDR team uncovered this advanced version in a campaign targeting a Malaysian educational institution, linked to a Vietnamese threat group. The malware now targets Facebook …

Published: December 19, 2024

Downloadable IOCs: 5

Earth Koshchei Coopts Red Team Tools in Complex RDP Attacks

Earth Koshchei, an APT group suspected to be sponsored by the Russian SVR, executed a large-scale rogue RDP campaign targeting high-profile sectors. The attack methodology involved spear-phishing emails, red team tools, and sophisticated anonymization techniques. The campaign used an RDP relay, rog…

python remote desktop protocol mitm tool (pyrdp)

roguerdp

tor exit nodes

Published: December 17, 2024

Downloadable IOCs: 421

Analysis report on recent phishing attacks by APT-C-48 (CNC)

APT-C-48 (CNC), a South Asian government-backed APT group, has been targeting government, military, education, research, healthcare, and media sectors. They use spear-phishing emails with resume-related topics to deliver malicious payloads. The group modifies executable file icons to resemble PDF f…

Published: December 3, 2024

Downloadable IOCs: 5

Guess Who’s Back - The Return of ANEL in the Recent Earth Kasha Spear-phishing Campaign in 2024

A spear-phishing campaign targeting Japan since June 2024 has been identified, featuring the reemergence of the ANEL backdoor, previously used by APT10 until 2018. The campaign, attributed to Earth Kasha, targets individuals in political organizations, research institutions, and international relat…

Published: November 27, 2024

Downloadable IOCs: 6

New Trend in MSI File Abuse: New Use of MST Files to Deliver Tromas

The New OceanLotus group has reactivated after a year, employing a novel tactic of MSI file misuse. This APT campaign, targeting a domestic governmental enterprise, marks the first observed use of the MSI TRANSFORMS technique by an APT group. The attack utilizes a legitimate Microsoft installation …

Published: November 6, 2024

Downloadable IOCs: 0

Analysis of Cyber Reconnaissance Activities Behind APT37 Threats

The report analyzes the covert cyber reconnaissance activities of the state-sponsored APT37 group targeting South Korea. The group uses spear-phishing emails with malicious LNK files to deploy the RoKRAT malware, collecting sensitive information from victims' devices. The attackers employ various t…

Published: November 6, 2024

Linked vulnerabilities : CVE-2022-41128

Downloadable IOCs: 20

SideWinder APT's post-exploitation framework analysis

SideWinder APT group has expanded its activities, targeting high-profile entities in the Middle East and Africa. The group employs a multi-stage infection chain using spear-phishing emails with malicious attachments. A new post-exploitation toolkit called 'StealerBot' has been discovered, designed …

backdoor loader module

stealerbot

rtf exploit

Published: October 15, 2024

Linked vulnerabilities : CVE-2017-11882

Downloadable IOCs: 158

Water Makara Uses Obfuscated JavaScript in Spear Phishing Campaign Targeting Brazil With Astaroth Malware

Water Makara, a threat actor group, is targeting enterprises in Brazil with a spear phishing campaign using the Astaroth banking malware. The attackers employ obfuscated JavaScript to bypass security defenses, often impersonating official tax documents to trick users. The campaign primarily affects…

domain generation algorithm

tax documents

obfuscated javascript

banking malware

Published: October 15, 2024

Downloadable IOCs: 0

Threat actors use ChatGPT to write malware

OpenAI has disrupted over 20 malicious cyber operations abusing ChatGPT for various purposes, including malware development and spear-phishing attacks. The company confirmed cases involving Chinese and Iranian threat actors. SweetSpecter, a Chinese group, targeted OpenAI employees with phishing ema…

Published: October 14, 2024

Downloadable IOCs: 1

CHARMING KITTEN

Since June 2024, the Iran-nexus actor CHARMING KITTEN has been creating new network infrastructure for credential phishing, targeting individuals perceived as threats to the Iranian regime. The actor's infrastructure, known as Cluster B, uses domains with specific characteristics like similar TLDs,…

Published: October 4, 2024

Downloadable IOCs: 11

MDR in Action: Preventing The More_eggs Backdoor From Hatching

A sophisticated spear-phishing attack led to a more_eggs backdoor infection at a company. The attack began with an email to a senior executive, followed by a recruitment officer downloading a fake resume. The malicious file, disguised as a resume, contained obfuscated commands that executed when op…

Published: October 1, 2024

Downloadable IOCs: 10

Earth Baxia Uses Spear-Phishing and GeoServer Exploit to Target APAC

Earth Baxia, a suspected China-based threat actor, targeted government organizations, telecommunication businesses, and the energy industry in multiple Asia-Pacific countries. The group employed sophisticated techniques, including spear-phishing emails and exploitation of a GeoServer vulnerability …

Published: September 20, 2024

Downloadable IOCs: 29

Tag: spear-phishing

Attack reports

Analysis of the threat case of kimsuky group using 'ClickFix' tactic

Strategic Pivot: From Browser Stealer to Data Exfiltration Platform During Critical Ukraine Negotiations

May 2025 APT Group Trends (South Korea)

Anubis: A Closer Look at an Emerging Ransomware with Built-in Wiper

APT 41: Threat Intelligence Report and Malware Analysis

Analysis of APT37 Attack Case Disguised as a Think Tank for National Security Strategy in South Korea (Operation ToyBox Story)

Operation Sindoor – Anatomy of a Digital Siege

New Russia-affiliated actor Void Blizzard targets critical sectors for espionage

Operation Sindoor: Anatomy of a High-Stakes Cyber Siege

April 2025 Threat Trend Report on APT Attacks (South Korea)

Venom Spider Uses Server-Side Polymorphism to Weave a Web Around Victims

Earth Kasha Updates TTPs in Latest Campaign Targeting Taiwan and Japan

Uyghur Diaspora Group Targeted with Remote Surveillance Malware

New Stealer on the Horizon

March 2025 APT Group Trends (South Korea)

SVC New Stealer on the Horizon

SideWinder targets the maritime and nuclear sectors with an updated toolset

Multiple Russian Threat Actors Targeting Microsoft Device Code Authentication

XELERA Ransomware Campaign: Fake Food Corporation of India Job Offers Targeting Tech Aspirants

Analysis of malicious HWP cases of 'APT37' group distributed through K messenger

CVE-2025-0411: Ukrainian Organizations Targeted in Zero-Day Campaign and Homoglyph Attacks

New Star Blizzard spear-phishing campaign targets WhatsApp accounts

December 2024 Threat Trend Report on APT Attacks (South Korea)

Python-Based NodeStealer Version Targets Facebook Ads Manager

Earth Koshchei Coopts Red Team Tools in Complex RDP Attacks

Analysis report on recent phishing attacks by APT-C-48 (CNC)

Guess Who’s Back - The Return of ANEL in the Recent Earth Kasha Spear-phishing Campaign in 2024

New Trend in MSI File Abuse: New Use of MST Files to Deliver Tromas

Analysis of Cyber Reconnaissance Activities Behind APT37 Threats

SideWinder APT's post-exploitation framework analysis

Water Makara Uses Obfuscated JavaScript in Spear Phishing Campaign Targeting Brazil With Astaroth Malware

Threat actors use ChatGPT to write malware

CHARMING KITTEN

MDR in Action: Preventing The More_eggs Backdoor From Hatching

Earth Baxia Uses Spear-Phishing and GeoServer Exploit to Target APAC