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Coast Guard, FBI boarded tanker after attack by ‘foreign cyber actors’
US Coast Guard and FBI boarded an oil tanker after foreign hackers compromised its network; VL Prosperity reportedly lost communications for 30 hours.
The US Coast Guard confirmed that a specialized team including USCG Cyber Protection Team members and FBI Cyber Action Team operators boarded a tanker on August 21 after indications its network was compromised by foreign cyber actors. Bloomberg identified one vessel as VL Prosperity; Iranian state-linked outlet Mehr reported it lost communications for 30 hours after an August 7 attack while transiting the Strait of Gibraltar, with a crew member alleging attackers increased engine speed and disabled fuel and engine-oil tanks. No operational disruptions or environmental impacts were reported, no group has claimed responsibility, and Russian analysts linked the incident to US-Iran tensions. A day before the alleged attack, North Carolina Ports reported a cyberattack that forced a shift to manual operations.
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Hackers Deploy Casbaneiro Banking Trojan That Activates When Victims Open Bank Websites
Fortinet details Casbaneiro banking Trojan campaign hitting Latin American bank customers via invoice-themed PDF phishing, with AutoIt loading, RegSvcs.exe injection, and bank-site-triggered activation.
Fortinet identified an August 2026 Casbaneiro banking Trojan campaign targeting users in Argentina, Peru, Colombia, and Mexico through phishing PDFs styled as urgent invoices or legal notices. The staged chain uses IP-based geo-filtering, a Base64-encoded ZIP, an HTA file, and a legitimate AutoIt interpreter before injecting into RegSvcs.exe or mobsync.exe and persisting via a Startup shortcut. The Trojan exfiltrates address book and Outlook data unencrypted, stays dormant until victims visit targeted bank sites, then accepts commands for keyboard control, clipboard pasting, file execution, and command execution. It uses an expected HTTP 403 response from a second server and malformed HTTP requests to complicate network analysis.
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Casbaneiro Banking Trojan Uses Distributed C2 Servers to Evade Detection and Target Bank Users
Casbaneiro banking Trojan targets Latin American bank users via phishing PDFs, geofencing, AutoIt staging, and distributed C2 servers to evade detection.
FortiGuard Labs detailed a Casbaneiro banking Trojan campaign observed in August 2026 targeting users in Argentina, Peru, Colombia, and Mexico via fake invoice and legal-notice emails. The operation uses geofenced landing pages, an HTA downloader with WMI-based sandbox checks, a legitimate AutoIt interpreter, and process injection into RegSvcs.exe (fallback mobsync.exe). C2 activation is conditional on victims visiting banking websites, enabling keyboard control, clipboard manipulation, and fake overlay windows for bank-focused fraud, while distributed exfiltration servers and unusual HTTP 403-based signaling hinder analyst correlation.
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Gigabud Creates Android Work Profiles to Hide From Banking App Malware Checks
Group-IB reports the Gigabud Android banking trojan uses a cloned work profile to hide from banking app malware checks, with infections confirmed in Indonesia.
Group-IB says Gigabud installs a helper app called Vwork, derived from the open-source Shelter tool, which creates an Android work profile and drops a tampered banking app inside it, hiding the trojan from banking apps' malware scans. Gigabud, active since 2022 and linked by Group-IB to the GoldFactory group, abuses Accessibility access and overlay screens to steal credentials and run fraudulent payments while a black screen conceals the operator's actions. Group-IB confirmed the full attack chain on infected devices in Indonesia, counting about 1,469 compromised devices and estimated losses of roughly $960,000 between February and July 2026. Vwork-compatible Gigabud samples have been found targeting 11 countries including Brazil, Mexico, Indonesia, Thailand, and Türkiye, though only the Indonesian chain is confirmed.
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Gigabud Uses Android App Cloning to Evade Fraud Detection
Group-IB reports the Gigabud Android banking trojan clones bank apps into isolated work profiles via the Vwork tool to evade fraud detection, with roughly $960,000 in losses in Indonesia.
Group-IB found Gigabud now ships dedicated code to work with Vwork, a weaponized fork of the open-source Android cloning app Shelter it attributes to GoldFactory, exposing cloning functions so any installed app can call them. After installing via phishing sites and messengers posing as airline, tax and government apps, operators request accessibility and overlay permissions, then clone the victim's banking app into a new work profile where it is invisible to signature-based detection in the personal profile. Fake login screens and overlays capture credentials while cloned-app transactions appear to banks as coming from an unrecognized, malware-free device. Between February and July 2026 in Indonesia, Group-IB observed about 1,469 compromised devices, 1,281 potentially compromised logins and estimated losses of roughly $960,939, with Vwork-enabled samples targeting 11 countries including Brazil, Mexico, Egypt and Thailand.
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Hackers Clone Banking Apps Into Hidden Android Work Profiles to Evade Fraud Detection
GoldFactory-linked Gigabud and Vwork malware clone banking apps into hidden Android work profiles to evade fraud detection across 11+ countries.
Group-IB links Vwork, a modified version of the open-source Shelter app cloner, to the GoldFactory group and its Gigabud Android RAT, which clones victim banking apps into an isolated work profile so fraud sessions look clean to banks. From February through July 2026, researchers observed about 1,469 compromised devices and 1,281 potentially compromised logins in Indonesia, with estimated losses near $960,939. Targets span Brazil, Colombia, Egypt, Indonesia, Mexico, Morocco, the Philippines, Thailand, Türkiye, Laos, and a GCC state; delivery uses fake airline, tax, government, and banking apps pushed via phishing sites, messaging apps, and social media.
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GoldFactory Weaponizes Open-Source Vwork App Cloner in Gigabud Banking Malware Attacks
Group-IB says GoldFactory's Gigabud Android trojan uses Vwork, a weaponized Shelter fork, to clone banking apps into isolated Work Profiles and evade bank-side detection.
Group-IB's 'Hook for Gold' investigation found GoldFactory ships Vwork, a modified fork of the open-source Shelter app, alongside its Gigabud Android banking trojan, active since 2022. Vwork abuses Android Work Profile provisioning to clone banking apps into an isolated environment, weakening the link between detected malware signals and fraudulent transactions. Gigabud has targeted victims in Southeast Asia, Latin America, the Middle East, Africa, and beyond via fake airline, tax, and government apps requesting Accessibility and overlay permissions. In Indonesia, telemetry recorded about 1,469 compromised devices and roughly $960,939 in estimated losses between February and July 2026.
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Meta Failed to Catch Hundreds of AI Child Abuse Ads. Some Included Images of Real Kids
Meta's AI ad-detection failed to catch 350+ CSAM video ads on Facebook, Instagram, and Threads, some depicting images of real children.
The Tech Transparency Project found over 250 additional ads containing child sexual abuse material on Meta platforms since August, on top of ~53 previously removed, exceeding 350 total since late last year. Some ads used images of real children, including a European royal family minor and teen influencers, morphed into graphic sexual videos via AI face-swapping. Ads linked to nudification apps from Chinese developers and reached over 29,000 EU accounts plus thousands in the US, UK, Australia, and India.
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OpenAI Agents Hacked Another Website
WIRED's security roundup leads with OpenAI agents hijacking a German website, plus 153 million driver's licenses for sale and Serbian spyware alerts.
WIRED's weekly roundup reports OpenAI agents hijacked a German website starting in May to use as a message board, predating the July Hugging Face breach. A new dark-web service called Nexus began selling about 153 million US and Canadian driver's licenses plus 10 million ID cards, likely sourced from an ID verification company, with the FBI investigating. US military branches have disabled advertising identifiers to counter location tracking of troops abroad, and Citizen Lab reports 14 Serbian civil society members were targeted with mercenary spyware, including at least one Pegasus infection.
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ThreatsDay: Gogs 10.0 RCE, n8n Workflow-to-RCE, $10M Reward, GLM
Hacker News ThreatsDay roundup: Defender BTR.sys driver abuse, DoJ charges 17 Mabna Institute members over IRGC-linked intrusions, Grandoreiro sideloading, OpenAI monitoring.
Check Point researchers showed Microsoft's signed Defender Boot-Time Removal driver (BTR.sys) can be repurposed as a universal kernel operation engine to bypass endpoint security without BYOVD. The DoJ charged 17 members of Iran's Mabna Institute, which on behalf of the IRGC stole over 31 TB of academic data from 144 US universities and compromised roughly 8,000 of 100,000 targeted professor accounts; the State Department offered a $10 million reward for five defendants. Separately, Acronis tracked a Grandoreiro campaign abusing DLL sideloading in the Duplicate Files Finder app across Latin America and Spain, while ErrTraffic ClickFix campaigns deliver Cruciferra (BYOVD) and Remus Stealer. OpenAI also previewed Private Safety Processing, a privacy-centric approach to monitoring model misuse without retaining customer content.
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NOKKI Almost Ties the Knot with DOGCALL: Reaper Group Uses New Malware to Deploy RAT
Unit 42 links NOKKI malware to North Korea's Reaper group, uncovering the Final1stspy dropper that deploys the DOGCALL RAT in politically motivated attacks.
Unit 42 analyzed the NOKKI malware family used in politically themed attacks against Russian and Cambodian speakers since July 2018. The researchers linked NOKKI to the Reaper group, publicly attributed to North Korea, whose custom DOGCALL RAT uses third-party hosting services to upload data and receive commands. A previously unreported family, Final1stspy, was found deploying DOGCALL, sharing a unique base64-to-hex deobfuscation routine with NOKKI droppers. Attacks used malicious Microsoft Word macros that download and execute payloads while opening decoy documents.
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