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: 1378

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]: 2 (GorillaBot, Predator Spyware)
Major changes to detections(s) [2]: 1202
Updated threat detection(s) [3]: 1373

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 (formerly Stamus Security Platform) this past week:

GorillaBot (Botnet)

New Mirai-based botnet "GorillaBot" discovered, targeting systems globally with over 300,000 attack commands issued. Major threat to various industries, prompting urgent response and mitigation efforts.

Total number of detection methods: 3
Kill chain phase(s): command and control
MITRE ATT&CK: T1095

Predator Spyware (Data Theft)

Spyware suppliers like NSO Group and Intellexa create difficult-to-detect deployment sequences for spyware like FORCEDENTRY and PREDATOR, which are dangerous due to their versatility and ability to evade detection.

Total number of detection methods: 168
Kill chain phase(s): command and control

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):

APT35 (APT)

Iranian-backed group Magic Hound engages in cyber espionage targeting U.S. and Middle Eastern officials and organizations since 2014, likely working with the Islamic Revolutionary Guard Corps through elaborate social engineering tactics.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): command and control, delivery
MITRE ATT&CK added: T1566
Previously existing MITRE ATT&CK: T1041, T1071, T1587, T1566, T1583, T1665, T1102
Methods added: 19

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: 6

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
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1189
Methods added: 3

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
Methods added: 45

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: 4

Rhadamanthys (Data Theft)

Rhadamanthys is a malware designed to steal data from infected machines.

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: T1071
Methods added: 2

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
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1071, T1027, T1189
Methods added: 12

TA2726 (APT)

TA2726 serves as a TDS for TA2727 and TA569, distributing SocGholish malware that pretends to be a browser update on compromised sites.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control
Methods added: 3

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: 1108

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
APT35	19	delivery	dns, tls, http	1911	command and control, delivery	dns, ftp, http, tcp, tls, udp	2025-06-18
Fake Browser	6	exploitation	dns, tls, http	1690	command and control, delivery, exploitation	dns, http, tls	2025-06-18
GorillaBot	3	command and control	tcp-pkt	3	command and control	tcp-pkt	2025-06-18
LandUpdate808	3	command and control	dns, tls, http	495	command and control, delivery	dns, http, tls	2025-06-17
Lumma	45	command and control, actions on objectives	dns, tls, http	6164	actions on objectives, command and control, delivery, installation	dns, http, tls	2025-06-21
NetSupport RAT	4	command and control	http	119	actions on objectives, command and control, exploitation, installation	dns, http, tls	2025-06-21
Predator Spyware	168	command and control	dns, tls, http	168	command and control	dns, tls, http	2025-06-18
Rhadamanthys	2	actions on objectives	tls	6	actions on objectives, command and control, delivery	http, tls	2025-06-21
SocGholish	12	command and control	dns, tls, http	1553	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2025-06-21
TA2726	3	command and control	dns, tls, http	109	command and control	dns, http, tls	2025-06-17
TA4903	1108	delivery	dns, tls, http	2384	delivery	dns, http, tls	2025-06-21

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