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: 1623

 

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 (SonOyuncu, Torg Grabber)

• Major changes to detections(s) [2]: 166

• Updated threat detection(s) [3]: 179

 

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:

 

SonOyuncu (Data Theft)

SonOyuncu Account Stealer V2 is a tool that can extract advanced credentials from the SonOyuncu client using memory reading and Discord webhook integration. Available in Java and Python.

• Total number of detection methods: 2

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

• MITRE ATT&CK: T1071

 

Torg Grabber (Data Theft)

Torg Grabber is a new info-stealing malware targeting cryptocurrency wallets through the ClickFix technique, with numerous samples compiled in three months and new C2 servers registered weekly.

Tor Greabber - Gendigital |

• Total number of detection methods: 11

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

• 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):

 

Aura Stealer (Data Theft)

In July 2025, threat actor AuraCorp launched Aura Stealer as a Malware-as-a-Service program targeting credentials from various sources, including cryptocurrency wallets, using AES-256 encryption for communications and evasion tactics.

• 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: T1071

• Previously existing MITRE ATT&CK: T1071

• Methods added: 5

 

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

• MITRE ATT&CK added: T1071

• Previously existing MITRE ATT&CK: T1071, T1587, T1573, T1566, T1486, T1496, T1041

• 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: 9

 

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: 45

 

MacSync (Data Theft)

In April 2025, a new developer named "mentalpositive" released mac.c, a cheap macOS stealer. One month later, it was rebranded as MacSync with enhanced capabilities, becoming a more sophisticated malware.

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

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

• MITRE ATT&CK added: T1105

• Methods added: 7

 

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

 

Ransomware Generic (Ransomware)

Ransomware is a type of malware that blocks users from their system or files and demands ransom payment for access. Originally payment was sent via mail, now via cryptocurrency or credit card.

• Added kill chain phase(s): delivery

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

• MITRE ATT&CK added: T1105

• Previously existing MITRE ATT&CK: T1486, T1105, 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

• Methods added: 9

 

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): actions on objectives, command and control, installation, delivery, exploitation

• MITRE ATT&CK added: T1041, T1071

• Previously existing MITRE ATT&CK: T1071, T1005, T1041, T1567, T1095, T1105, T1486, T1587, T1496

• 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): command and control, delivery

• MITRE ATT&CK added: T1573

• Previously existing MITRE ATT&CK: T1071, T1573

• Methods added: 81

 

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
Aura Stealer	5	command and control, actions on objectives	http	37	actions on objectives, command and control	dns, http, tls	2026-04-09
Command and Control	2	command and control	http	644	actions on objectives, command and control, delivery, installation	dns, http, icmp, tcp, tcp-pkt, tls	2026-04-09
Fake Browser	9	exploitation	dns, tls, http	1984	command and control, delivery, exploitation	dns, http, tls	2026-04-09
Lumma	45	command and control, actions on objectives	dns, tls, http	7885	actions on objectives, command and control, delivery, installation	dns, http, tls	2026-04-10
MacSync	7	delivery, command and control	http, dns, tls	21	actions on objectives, command and control, delivery	dns, http, tls	2026-04-09
NetSupport RAT	4	command and control	http	213	actions on objectives, command and control, exploitation, installation	dns, http, tls	2026-04-09
Ransomware Generic	2	delivery	http	28	actions on objectives, command and control, delivery	dns, http, tls	2026-04-09
SocGholish	9	command and control	dns, tls, http	2189	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2026-04-10
SonOyuncu	2	command and control, actions on objectives	http	2	command and control, actions on objectives	http	2026-04-10
Stealer and Exfiltration	2	command and control, actions on objectives	http	517	actions on objectives, command and control, delivery, exploitation, installation	dns, ftp, http, smtp, tcp, tcp-pkt, tls	2026-04-10
Torg Grabber	11	command and control, actions on objectives	http, dns, tls	11	command and control, actions on objectives	http, dns, tls	2026-04-10
XWorm	81	command and control	tcp-pkt	5035	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2026-04-08

 

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