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: 1600

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]: 5 (RDP Malicious Cookie, defendnot, LoJax, TA395, DemonHavoc)
Major changes to detections(s) [2]: 180
Updated threat detection(s) [3]: 248

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:

RDP Malicious Cookie (Trojan)

mstshash cookies in RDP connections aid load balancers but can be exploited by attackers for Session Hijacking or Redirection. Attack involves intercepting, manipulating, and redirecting traffic for information gathering or access.

DFIR Report | Nishtahir |

Total number of detection methods: 2
Kill chain phase(s): exploitation

defendnot (Offensive Tools)

Defendnot is a tool that interacts with the Windows Security Center to disable Microsoft Defender Antivirus, bypassing the need for third-party code and an NDA with Microsoft.

Total number of detection methods: 6
Kill chain phase(s): command and control, delivery
MITRE ATT&CK: T1105

LoJax (Rootkit)

ESET discovered LoJax malware, derived from LoJack anti-theft software, used by Sednit group to evade detection. It can track computers even after Windows reinstallation or hard drive swap.

LoJax - Mitre | LoJax - malpedia |

Total number of detection methods: 30

Kill chain phase(s): command and control

TA395 (APT)

Cybersecurity firms report multiple groups tied to India, including TA397, TA399, and TA395, linked to the Sloppy Lemming threat group, targeting individuals and critical infrastructure.

TA395-Proofpoint |

Total number of detection methods: 9
Kill chain phase(s): command and control

DemonHavoc (Data Theft)

Huntress discovered a coordinated cyber attack involving email spam, fake IT support calls, and malware delivery across multiple organizations, with rapid lateral movement indicating a data exfiltration or ransomware threat.

Total number of detection methods: 24
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):

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): command and control, delivery
Previously supported kill chain phase(s): command and control, delivery, actions on objectives
MITRE ATT&CK added: T1566
Previously existing MITRE ATT&CK: T1041, T1071, T1587, T1566, T1665, T1102
Methods added: 5

Backdoor (Trojan)

Backdoors give malicious users control over infected computers, similar to administration systems. They can do multiple tasks on the computer and be used to form botnets or spread through networks.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control, actions on objectives, installation, delivery
MITRE ATT&CK added: T1105
Previously existing MITRE ATT&CK: T1041, T1496, T1071
Methods added: 1

Cobalt Strike (Pentest Tools)

Cobalt Strike is a commercial penetration testing tool that simulates advanced threat actor attacks, covering the full range of ATT&CK tactics and integrating with tools like Metasploit and Mimikatz.

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

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: 3

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): installation
Previously supported kill chain phase(s): command and control, installation, delivery, actions on objectives
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
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: 51

Molerats (APT)

The politically-motivated threat group Molerats has been active since 2012 targeting victims in the Middle East, Europe, and the US according to reports by MITRE.

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

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: 1

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): actions on objectives, command and control
Previously supported kill chain phase(s): actions on objectives, command and control, installation, delivery, exploitation
MITRE ATT&CK added: T1005, T1041, T1071
Previously existing MITRE ATT&CK: T1071, T1005, T1041, T1567, T1095, T1105, T1486, T1587, T1496
Methods added: 6

TransparentTribe (APT)

Group targeting Indian Army and related assets in India, as well as activists and civil society in Pakistan, attributed to a Pakistani connection by TrendMicro and others.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): delivery, command and control
MITRE ATT&CK added: T1105
Previously existing MITRE ATT&CK: T1071, T1041, T1105
Methods added: 1

Trojan Downloader (Downloader)

Trojan downloaders are malicious software that look legitimate, but can harm your computer by downloading files, often without user consent, to steal, damage, or disrupt your devices.

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

Tycoon (Phishing)

Tycoon 2FA is a PhaaS platform seen in 2023 that bypasses MFA protections, targeting Microsoft 365 and Gmail accounts. A significant threat to users, it has been grabbing headlines in recent campaigns.

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, T1566
Methods added: 50

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): command and control
Previously supported kill chain phase(s): command and control, delivery, actions on objectives
Methods added: 9

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: 16

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	5	command and control, delivery	dns, tls, http	1992	actions on objectives, command and control, delivery	dns, ftp, http, tcp, tls, udp	2026-03-14
Backdoor	1	command and control	http	472	actions on objectives, command and control, delivery, installation	dns, ftp, http, icmp, smtp, tcp, tcp-pkt, tls, udp	2026-03-12
Cobalt Strike	6	command and control	dns, tls, http	608	actions on objectives, command and control, delivery, exploitation	dns, http, smb, tcp, tls, udp	2026-03-14
DemonHavoc	24	command and control	http, dns, tls	24	command and control	http, dns, tls	2026-03-13
Fake Browser	3	exploitation	dns, tls, http	1933	command and control, delivery, exploitation	dns, http, tls	2026-03-13
Fake Service	1	installation	http	177	actions on objectives, command and control, delivery, installation	dns, http, tcp, tls	2026-03-12
LandUpdate808	12	command and control	dns, tls, http	872	command and control, delivery	dns, http, tls	2026-03-14
LoJax	30	command and control	dns, tls, http	30	command and control	dns, tls, http	2026-03-12
Lumma	51	command and control, actions on objectives	dns, tls, http	7690	actions on objectives, command and control, delivery, installation	dns, http, tls	2026-03-12
Molerats	3	command and control	dns, tls, http	346	command and control, delivery	dns, http, tcp, tls	2026-03-14
NetSupport RAT	1	command and control	http	197	actions on objectives, command and control, exploitation, installation	dns, http, tls	2026-03-10
RDP Malicious Cookie	2	exploitation	tcp	2	exploitation	tcp	2026-03-12
SocGholish	9	command and control	dns, tls, http	2116	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2026-03-12
Stealer and Exfiltration	6	actions on objectives, command and control	http, dns, tls	515	actions on objectives, command and control, delivery, exploitation, installation	dns, ftp, http, smtp, tcp, tcp-pkt, tls	2026-03-13
TA395	6	command and control	dns, tls, http	9	command and control	dns, tls, http	2026-03-13
TransparentTribe	1	delivery	http	60	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2026-03-12
Trojan Downloader	6	delivery	dns, tls, http	447	actions on objectives, command and control, delivery, installation	dns, http, tcp, tls, udp	2026-03-10
Tycoon	50	delivery	http, dns, tls	81	command and control, delivery	dns, http, tls	2026-03-12
Unknown APT	9	command and control	dns, tls, http	1909	actions on objectives, command and control, delivery	dns, http, tcp, tls	2026-03-14
XWorm	16	command and control	tcp-pkt	4735	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2026-03-13
defendnot	6	command and control, delivery	dns, tls, http	6	command and control, delivery	dns, tls, http	2026-03-12

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