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: 1483

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]: 0
Major changes to detections(s) [2]: 230
Updated threat detection(s) [3]: 230

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 Clear NDR this past week:

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):

Amadey (Data Theft)

Amadey is a trojan that cyber criminals can buy on a Russian dark web forum to perform malicious activities like stealing personal information, installing malware, and adding computers to a botnet.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): command and control, actions on objectives, delivery
MITRE ATT&CK added: T1105
Previously existing MITRE ATT&CK: T1071
Methods added: 1

Command and Control (Generic CnC)

Adversaries may use custom command and control protocols to communicate, mimicking or developing protocols on top of standard network stacks, instead of using existing Standard Application Layer Protocols.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control, actions on objectives, delivery, installation
Methods added: 12

Fake Browser (Trojan)

Attackers infect enterprise networks with malware by promoting fake browser updates on hacked websites, leading to the installation of banking trojans and later ransomware encryption on compromised networks.

Added kill chain phase(s): exploitation
Previously supported kill chain phase(s): delivery, exploitation, command and control
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1071, T1189
Methods added: 9

LandUpdate808 (Trojan)

Fake update variants like SocGholish, Clear Fake, Smart Ape, and ClickFix are being tracked by a collaboration introducing the LandUpdate808 Fake Update Variant.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): delivery, command and control, actions on objectives
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1189, T1105, T1071
Methods added: 12

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): actions on objectives, command and control, installation, delivery
MITRE ATT&CK added: T1071
Previously existing MITRE ATT&CK: T1005, T1071, T1573, T1105
Methods added: 9

MageCart (Data Theft)

FIN6 or Magecart is a cybercrime group that steals payment card data from PoS systems in hospitality and retail, selling it on underground markets for profit.

Added kill chain phase(s): command and control, actions on objectives
Previously supported kill chain phase(s): actions on objectives, command and control, delivery
MITRE ATT&CK added: T1071
Previously existing MITRE ATT&CK: T1587, T1071
Methods added: 68

NetSupport RAT (RAT)

Remote Access Trojans allow covert surveillance and unauthorized access to victim PCs, collecting keystrokes, passwords, screenshots, and more. They differ from keyloggers by providing remote access capabilities to attackers.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): actions on objectives, command and control, exploitation, installation
MITRE ATT&CK added: T1105
Previously existing MITRE ATT&CK: T1071, T1105
Methods added: 2

RAT Generic (RAT)

Remote Access Trojans allow covert surveillance and unauthorized access to victim PCs, collecting data like keystrokes and screenshots. They differ from keyloggers by enabling remote access for attackers.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): installation, command and control, actions on objectives, delivery
MITRE ATT&CK added: T1573
Previously existing MITRE ATT&CK: T1071, T1041, T1573
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): command and control, exploitation, delivery, reconnaissance, actions on objectives
Methods added: 12

TA455 (APT)

Meta took action against a hacking group from Iran that targeted various industries worldwide. The group's tactics resembled another threat actor, but with different targets, infrastructure, and malware.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control, installation
Methods added: 60

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
Methods added: 3

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): delivery
Previously supported kill chain phase(s): command and control, delivery
Methods added: 12

Vidar (Data Theft)

Vidar Stealer is a trojan used by cyber criminals to steal personal information from infected computers.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control, installation, actions on objectives, delivery
Methods added: 6

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): command and control, delivery
MITRE ATT&CK added: T1573
Previously existing MITRE ATT&CK: T1071, T1573
Methods added: 21

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
Amadey	1	delivery	http	31	actions on objectives, command and control, delivery	dns, http, tls	2025-10-30
Command and Control	12	command and control	dns, tls, http	613	actions on objectives, command and control, delivery, installation	dns, http, icmp, tcp, tcp-pkt, tls	2025-10-31
Fake Browser	9	exploitation	dns, tls, http	1778	command and control, delivery, exploitation	dns, http, tls	2025-10-31
LandUpdate808	12	command and control	dns, tls, http	625	actions on objectives, command and control, delivery	dns, http, tls	2025-10-30
Lumma	9	command and control, actions on objectives	dns, tls, http	6919	actions on objectives, command and control, delivery, installation	dns, http, tls	2025-10-31
MageCart	68	command and control, actions on objectives	dns, tls, http	516	actions on objectives, command and control, delivery	dns, http, tls	2025-10-29
NetSupport RAT	2	command and control	http	166	actions on objectives, command and control, exploitation, installation	dns, http, tls	2025-10-31
RAT Generic	3	command and control	tcp	318	actions on objectives, command and control, delivery, installation	dns, http, tcp, tcp-pkt, tls, udp	2025-10-28
SocGholish	12	command and control	dns, tls, http	1872	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2025-10-31
TA455	60	command and control	dns, tls, http	720	command and control, installation	dns, http, tls	2025-10-28
TA4903	3	delivery	dns, tls, http	2435	delivery	dns, http, tls	2025-10-29
Unknown APT	12	delivery	dns, tls, http	1414	command and control, delivery	dns, http, tcp, tls	2025-10-28
Vidar	6	command and control	dns, tls, http	66	actions on objectives, command and control, delivery, installation	dns, http, tls	2025-10-28
XWorm	21	command and control	tcp-pkt	4114	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2025-10-31

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