Threat Intelligence Brief
Curated summary with source attribution
Source: thehackernews.com
Threat Risk: Medium
Victim: Affected users or organisations
Incident: Cybersecurity researchers have shed light on a previously undocumented Brazilian banking malware operation that delivers a toolkit called KREMLIN.
Impact: Potential security impact depending on exposure.
Attacker: Unidentified threat actors
Analysis: The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Recommendations: Review affected systems; Apply vendor guidance; Monitor for related indicators
Source: Original article link below
Editorial note: this post summarizes third-party reporting and links to the original source.
View Original Source
Latest Developments
Update — 2026-09-15 21:01 UTC
ERBIL, Kurdistan Region of Iraq – Intelligence services from the US, UK, and the Netherlands on Tuesday revealed alleged Iranian spear phishing methods to install spyware on the devices of political dissidents and activists across the globe, with a British official saying it reve Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thenewregion.com
Update — 2026-09-16 16:05 UTC
UK, US and Netherlands expose Iran linked spyware campaign targeting dissidents A joint advisory from UK, US and Dutch agencies details how Iran linked actors allegedly used CHOSEN BRICK spyware. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: dig.watch
Update — 2026-09-18 06:29 UTC
Cybersecurity researchers have flagged a new Android malware called RatHat that’s assessed to be operated by China-based threat actors and features an artificial intelligence (AI)-powered system to navigate and control compromised devices. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-18 18:24 UTC
An Iranian hacking group has reportedly launched a new spyware campaign targeting Windows users through popular messaging platforms such as WhatsApp and Telegram. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: cybersecurity-insiders.com
Update — 2026-09-21 18:15 UTC
The North Korean threat actors behind the Contagious Interview campaign have compromised at least 30,000 devices located in more than 100 countries and siphoned funds or account credentials from over 7,000 cryptocurrency wallets, according to a new joint cybersecurity advisory. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-22 09:23 UTC
The threat actor known as SideCopy has been observed using spear-phishing lures to target academic institutions in India, expanding their strategic focus beyond government entities. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-22 17:47 UTC
Microsoft on Tuesday announced the takedown of the EvilTokens device code phishing service that it said used artificial intelligence (AI) “at every step of the attack chain.” The action, carried out with authorization from the U.S. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-28 03:15 UTC
Two actions-cool GitHub Actions have been disabled for a second time after the repositories became accessible last week, months after they were compromised during the May 2026 Mini Shai-Hulud campaign. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-28 03:24 UTC
Cybersecurity researchers have flagged a new version of PamStealer that ensures that the main payload can only be recovered using a server-side decryption chain. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-29 15:40 UTC
Cybersecurity researchers have identified a cluster of 101 npm packages that are used to trap developers into a WhatsApp group subscriber campaign dubbed PhantomSub. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-30 11:41 UTC
ANY.RUN researchers traced a US-focused CSuite phishing campaign across 351 sandbox analyses, with 51% of submissions coming from the United States. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-30 15:36 UTC
Threat actors are abusing ChatGPT Custom GPTs to disguise them as legitimate product offerings and direct unsuspecting victims to malicious sites that employ ClickFix lures to deliver malware. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-30 17:59 UTC
Microsoft has warned of phishing campaigns distributing an installer for the MSP360 Remote Monitoring and Management (RMM) software under the guise of meeting invitations, PDF-themed lures, software update prompts, and other social-engineering content. Potential security impact depending on exposure. The key concern for Affected users or organisations is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com