The Week in Review from Stamus Labs

Welcome to the weekly threat detection update report from Stamus Networks. Each week, you will receive this email with a summary of the updates.

Current Stamus Threat Intelligence (STI) release version: 1719

This week, in addition to daily ruleset and IOC updates, we provided Stamus Security Platform customers with the following improved defense(s):

New threat detection(s) added [1]: 1 (Head Mare)
New methods additions on existing threats [2]: 159
New detection methods in total [3]: 189

Note: a "method" as referenced below, is a discrete detection vector for a given threat.

New Threat(s) Detected

The following detections were added to your Stamus NDR this past week:

Head Mare (APT)

APT group Head Mare exploits vulnerabilities in TrueConf video conferencing servers to distribute the PhantomCore malware via infected client installers.

Head Mare- Malpedia

Total number of detection methods: 30
Kill chain phase(s): command and control
MITRE ATT&CK: T1041

Major Detection Changes

The following detections were updated this past week with changes to kill chain phase(s) or MITRE ATT&CK tactic(s)/technique(s):

ClickFix (Phishing)

In April 2024, researchers found compromised sites leading to an iframe on pley[.]es showing an error message. The payload domain was taken offline, preventing infection. Later, the iframe was replaced with the ClearFake inject.

Added kill chain phase(s): delivery, command and control
Previously supported kill chain phase(s): delivery, exploitation, installation, command and control
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1027, T1036, T1071, T1102, T1105, T1189, T1566
Methods added: 33

Lumma (Data Theft)

Lumma is a C-based information stealer sold on Russian underground forums and Telegram by LummaC since August 2022. It targets cryptocurrency wallets and has file grabber capabilities.

Added kill chain phase(s): command and control, actions on objectives
Previously supported kill chain phase(s): delivery, installation, command and control, actions on objectives
MITRE ATT&CK added: T1071
Previously existing MITRE ATT&CK: T1005, T1071, T1105, T1573
Methods added: 30

Sha1 Hulud (Data Theft)

Ongoing npm supply-chain attack linked to Shai-Hulud compromised major packages, leading to trojanized GitHub repos and stolen data. 700 packages affected, 25,000+ malicious repos identified. Replicated widely.

Added kill chain phase(s): actions on objectives
Previously supported kill chain phase(s): installation, actions on objectives
Methods added: 3

SocGholish (Social Engineering)

Malwarebytes found a new social engineering toolkit that uses compromised websites to perform advanced fingerprinting checks and deliver the NetSupport RAT payload.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): reconnaissance, delivery, exploitation, command and control, actions on objectives
Previously existing MITRE ATT&CK: T1027, T1071, T1189
Methods added: 3

Stealer and Exfiltration (Data Theft)

Info stealers gather sensitive data on infected computers to send to attackers, typically targeting online banking, social media, email, and FTP accounts. They use various methods including hooking browsers and keylogging.

Added kill chain phase(s): command and control, actions on objectives
Previously supported kill chain phase(s): delivery, exploitation, installation, command and control, actions on objectives
MITRE ATT&CK added: T1041, T1071
Previously existing MITRE ATT&CK: T1005, T1041, T1071, T1095, T1105, T1486, T1496, T1567, T1587
Methods added: 5

TA444 (APT)

Proofpoint identified DPRK APT actor TA444, tracked by Malpedia as win.wslink.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): delivery, command and control
MITRE ATT&CK added: T1566
Previously existing MITRE ATT&CK: T1071
Methods added: 4

TA4903 (APT)

Advanced persistent threats (APTs) are stealthy threat actors, often nation states or state-sponsored groups, who gain unauthorized access to networks for political or economic motivations, utilizing various tactics to remain undetected.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): delivery
Previously existing MITRE ATT&CK: T1071, T1566
Methods added: 3

TrojanSpy-Android (Data Theft)

Malicious programs in the Trojan-Spy.AndroidOS.Agent family covertly send data from infected Android devices to criminals.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): delivery, installation, command and control, actions on objectives
Previously existing MITRE ATT&CK: T1041, T1071, T1583
Methods added: 2

Unknown APT (APT)

Sophisticated adversary with expertise and resources uses multiple attack vectors to establish presence in organizations' IT infrastructure, exfiltrate information, undermine missions, and persistently adapt to defenders.

Added kill chain phase(s): actions on objectives
Previously supported kill chain phase(s): delivery, command and control, actions on objectives
MITRE ATT&CK added: T1071
Previously existing MITRE ATT&CK: T1001, T1041, T1071, T1102, T1105, T1566
Methods added: 2

XWorm (RAT)

Cyble research labs found a malware developer advertising a powerful Windows RAT on the dark web during a threat-hunting exercise.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): delivery, command and control
MITRE ATT&CK added: T1573
Previously existing MITRE ATT&CK: T1071, T1573
Methods added: 74

Other Threat Detection Update(s)

The following threat detection(s) were improved this past week with new or updated threat methods.

Name of threat	New coverage			Total coverage			Last updated
	New Detection methods	Kill chain phases	Protocols involved	Detection methods	Kill chain phases	Protocols involved
ClickFix	33	delivery, command and control	dns, tls, http	745	command and control, delivery, exploitation, installation	dns, http, tls	2026-08-15
Head Mare	30	command and control	dns, tls, http	30	command and control	dns, tls, http	2026-08-15
Lumma	30	command and control, actions on objectives	dns, tls, http	8416	actions on objectives, command and control, delivery, installation	dns, http, tls	2026-08-15
Sha1 Hulud	3	actions on objectives	http	7	actions on objectives, installation	http	2026-08-15
SocGholish	3	command and control	dns, tls, http	2431	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2026-08-11
Stealer and Exfiltration	5	command and control, actions on objectives	http, dns	542	actions on objectives, command and control, delivery, exploitation, installation	dns, ftp, http, http1, smtp, tcp, tcp-pkt, tls	2026-08-15
TA444	4	delivery	dns, http, tls	1635	command and control, delivery	dns, http, http1, tls	2026-08-12
TA4903	3	delivery	dns, tls, http	2513	delivery	dns, http, tls	2026-08-14
TrojanSpy-Android	2	command and control	http	1572	actions on objectives, command and control, delivery, installation	dns, http, http1, tcp, tls	2026-08-15
Unknown APT	2	actions on objectives	tls	2192	actions on objectives, command and control, delivery	dns, http, http1, tcp, tls, udp	2026-08-15
XWorm	74	command and control	tcp-pkt	5621	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2026-08-15

Threat Detection Update