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: 1690

 

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 (PureRAT, DarkRAT)

• Major changes to detections(s) [2]: 190
• Updated threat detection(s) [3]: 196

 

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:

 

PureRAT (RAT)

PureRAT and ResolverRAT are the same malware, while PureHVNC is its predecessor. Threat intel companies and researchers use all three names to refer to the same malware family.

 

PureRAT - Malpedia |

 

• Total number of detection methods: 1

• Kill chain phase(s): command and control

 

DarkRAT (RAT)

DarkRATv2 is a commercial C++ HTTP botnet/loader sold on underground forums by "Darkspider," offering various packages and features like persistence, process injection, download-and-execute, and anti-analysis measures.

 

• Total number of detection methods: 5

• Kill chain phase(s): command and control
• MITRE ATT&CK: T1071

 

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):

 

ClearFake (Exploit Kit)

Malicious fake updates campaign infecting hundreds of websites with ClearFake malware, starting around July 19th, 2023. No tracking of visits by IP or cookies, leading to easier detection by analysts and site owners.

 

• Added kill chain phase(s): exploitation

• Previously supported kill chain phase(s): command and control, exploitation, delivery

• MITRE ATT&CK added: T1071, T1189

• Previously existing MITRE ATT&CK: T1071, T1189, T1105
• Methods added: 2

 

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: 8

 

Fake Service (Phishing)

Phishing involves scammers posing as familiar companies to obtain personal information. Consumers should avoid responding to suspicious emails requesting personal or financial details to prevent falling victim to these scams.

 

• Added kill chain phase(s): delivery

• Previously supported kill chain phase(s): command and control, installation, delivery, actions on objectives

• MITRE ATT&CK added: T1036

• Previously existing MITRE ATT&CK: T1071, T1041, T1219, T1189, T1105, T1566
• Methods added: 1

 

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, exploitation, actions on objectives

• MITRE ATT&CK added: T1189

• Previously existing MITRE ATT&CK: T1189, T1105, T1071
• Methods added: 18

 

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: 42

 

MarkiRAT (RAT)

Kaspersky discovers cyberespionage campaign targeting Persian-speaking individuals in Iran by group known as Ferocious Kitten using custom malware called MarkiRAT. Malware can steal data and control victim's machine.

 

• Added kill chain phase(s): command and control, actions on objectives

• Previously supported kill chain phase(s): command and control, actions on objectives

• MITRE ATT&CK added: T1041
• Methods added: 53

 

Mustang Panda (APT)

Mustang Panda is a China-based cyber threat actor observed since 2017, possibly operating since 2014. It targets government and non-government organizations in multiple countries like the U.S., Germany, and Myanmar.

 

• Added kill chain phase(s): command and control

• Previously supported kill chain phase(s): command and control, delivery

• MITRE ATT&CK added: T1071

• Previously existing MITRE ATT&CK: T1071, T1587, T1041, T1567, T1102
• Methods added: 1

 

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: T1071

• Previously existing MITRE ATT&CK: T1071, T1041, T1105, T1005, T1573
• Methods added: 2

 

ReverseLoader (Loader)

Loaders are basic remote access Trojans allowing attackers to control compromised computers or bots. They are traditionally lightweight to avoid detection, but can evolve with added features for cybercriminals.

 

• Added kill chain phase(s): command and control

• Previously supported kill chain phase(s): delivery, installation, command and control
• 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: 9

 

VENOM PhaaS (Phishing)

Credential theft campaign targets C-suite executives with personalized phishing emails impersonating SharePoint notifications, using a new platform called VENOM. VENOM is not publicly known or accessible through typical channels.

 

• Added kill chain phase(s): delivery

• Previously supported kill chain phase(s): delivery

• MITRE ATT&CK added: T1566

• Previously existing MITRE ATT&CK: T1557
• Methods added: 3

 

VenomRat (RAT)

Remote Access Trojans allow unauthorized access to a victim's PC, collecting keystrokes, passwords, and more. They differ from keyloggers by providing remote access to the victim machine for various malicious activities.

 

• Added kill chain phase(s): command and control

• Previously supported kill chain phase(s): command and control

• MITRE ATT&CK added: T1071

• Previously existing MITRE ATT&CK: T1071, T1095
• Methods added: 1

 

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: 47

 

   

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
ClearFake	2	exploitation	http	253	command and control, delivery, exploitation	dns, http, tls	2026-07-03
DarkRAT	5	command and control	http, tls, http1, tcp	5	command and control	http, tls, http1, tcp	2026-07-03
Fake Browser	8	exploitation	dns, tls, http	2412	command and control, delivery, exploitation	dns, http, tls	2026-07-02
Fake Service	1	delivery	http	206	actions on objectives, command and control, delivery, installation	dns, http, http1, tcp, tls	2026-07-03
LandUpdate808	18	command and control	dns, tls, http	1093	actions on objectives, command and control, delivery, exploitation	dns, http, tls	2026-07-02
Lumma	42	command and control, actions on objectives	dns, tls, http	8263	actions on objectives, command and control, delivery, installation	dns, http, tls	2026-07-03
MarkiRAT	53	command and control, actions on objectives	dns, tls, http	60	actions on objectives, command and control	dns, http, tls	2026-07-03
Mustang Panda	1	command and control	http	369	command and control, delivery	dns, http, http1, tcp, tls	2026-07-03
PureRAT	1	command and control	tls	1	command and control	tls	2026-07-03
RAT Generic	2	command and control	tls	476	actions on objectives, command and control, delivery, installation	dns, http, http1, tcp, tcp-pkt, tls, udp	2026-07-03
ReverseLoader	3	command and control	dns, tls, http	19	command and control, delivery, installation	dns, http, tls	2026-07-01
SocGholish	9	command and control	dns, tls, http	2360	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2026-07-02
VENOM PhaaS	3	delivery	http	36	delivery	dns, http, tls	2026-07-03
VenomRat	1	command and control	tls	4	command and control	tcp, tls	2026-06-30
XWorm	47	command and control	tcp-pkt	5340	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2026-06-30

 

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