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: 1249

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]: 10 (Earth Minotaur, LiteHTTP Bot, XMRig Coinminer, CyberHaven Compromised Extension, SimpleHTTPServer, Test DoC, Tomiris, Liberium RAT, Contagious Interview Campaign, Malicious Pyinstaller)
Major changes to detections(s) [2]: 202
Updated threat detection(s) [3]: 425

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 - Enterprise (formerly Stamus Security Platform) this past week:

Earth Minotaur (APT)

Earth Minotaur uses instant messaging apps to trick victims into clicking malicious links, disguising themselves as various characters to increase success. The links lead to MOONSHINE exploit kit servers installing backdoors on devices.

Total number of detection methods: 2
Kill chain phase(s): delivery, exploitation
MITRE ATT&CK: T1189

LiteHTTP Bot (Botnet)

LiteHTTP bot is a new C# programmed HTTP bot that collects system information, downloads and executes programs, and can update or kill other bots on the system.

LiteHTTP Bot - Github | LiteHTTP Bot - anyrun |

Total number of detection methods: 3
Kill chain phase(s): command and control

XMRig Coinminer (Cryptocurrency)

XMRIG is a legitimate open-source app that mines Monero, but criminals use "bundling" to infiltrate systems without consent, often bringing other unwanted programs that gather information and deliver ads.

XMRig Coinminer - xmrig | XMRig Coinminer - SoC Prime |

Total number of detection methods: 3
Kill chain phase(s): command and control, installation
MITRE ATT&CK: T1496

CyberHaven Compromised Extension (Data Theft)

Cyberhaven's Chrome extension was breached, allowing attackers to inject malicious code, compromising sensitive data of 400,000 users. A threat campaign targeting 2.6 million users on the Chrome Web Store was exposed.

CyberHaven Compromised Extension - Reuters |

Total number of detection methods: 179
Kill chain phase(s): command and control

SimpleHTTPServer (Downloader)

Python includes a basic HTTP server for sharing files or temporary content, but it is not secure for production or corporate use. Malicious actors may exploit it for malware delivery.

SimpleHTTPServer - The Python Software Foundation | SimpleHTTPServer - MITRE - Command and Scripting Interpreter: Python |

Total number of detection methods: 2
Kill chain phase(s): delivery, exploitation
MITRE ATT&CK: T1059

Test DoC (Generic CnC)

An example Declaration of Compromise (DoC) for demonstration purposes.

Total number of detection methods: 2
Kill chain phase(s): command and control

Tomiris (APT)

Tomiris uses a variety of malware implants for intelligence gathering in Central Asia, focusing on stealing internal documents. Tools include downloaders, backdoors, and file stealers like Telemiris using Telegram as a C2 channel.

Tomiris - Kaspersky |

Total number of detection methods: 1
Kill chain phase(s): command and control
MITRE ATT&CK: T1573

Liberium RAT (RAT)

Liberium RAT is a malware variant for sale on hacking forums, providing remote access to vulnerable endpoints, file management, registry manipulation, and theft of system data.

Total number of detection methods: 4
Kill chain phase(s): command and control
MITRE ATT&CK: T1573

Contagious Interview Campaign (APT)

North Korean threat actors are using OtterCookie malware in the Contagious Interview campaign to target software developers with fake job offers and deliver malicious payloads like BeaverTail and InvisibleFerret.

Contagious Interview Campaign - Palo Alto |

Total number of detection methods: 9
Kill chain phase(s): delivery, command and control
MITRE ATT&CK: T1041

Malicious Pyinstaller (Downloader)

PyInstaller creates a standalone package for Python apps, including all dependencies. However, it can also be exploited by malicious actors to distribute malware.

Total number of detection methods: 18
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):

APT33 (APT)

APT33 is an Iranian threat group targeting organizations in the US, Saudi Arabia, and South Korea since 2013, with a focus on aviation and energy industries.

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

ClickFix (Phishing)

In April 2024, researchers found compromised sites leading to an iframe on pley[.]es showing an error message. The payload domain was taken offline, preventing infection. Later, the iframe was replaced with the ClearFake inject.

Added kill chain phase(s): delivery
Previously supported kill chain phase(s): exploitation, delivery, command and control
MITRE ATT&CK added: T1189
Previously existing MITRE ATT&CK: T1071, T1027, T1189, T1036
Methods added: 2

CryptBot (Data Theft)

Infostealer Cryptbot steals credentials for browsers, crypto wallets, credit cards, creates system screenshots. Stolen data uploaded to c2 server in zip file.

Added kill chain phase(s): command and control, actions on objectives
Previously supported kill chain phase(s): command and control, actions on objectives, delivery
MITRE ATT&CK added: T1041
Previously existing MITRE ATT&CK: T1071
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: 39

KONNI (RAT)

KONNI is a Windows remote administration tool used since 2014, evolving in capabilities through 2017. Linked to North Korean themed campaigns, it shares code with NOKKI malware and potentially APT37.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): actions on objectives, command and control, delivery
MITRE ATT&CK added: T1071
Previously existing MITRE ATT&CK: T1071, T1041
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
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
Methods added: 66

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

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: 5

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: 6

Strela Stealer (Data Theft)

StrelaStealer is a type of malware that steals email account credentials, targeting Spanish-speaking users through spam emails. Discovered in November 2022 by DCSO CyTec researchers.

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

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: 3

TA582 (APT)

An APT is a stealthy threat actor, often nation state or state-sponsored, gaining unauthorized access and remaining undetected in a network for political or economic reasons, targeting various sectors.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): command and control
Methods added: 36

Web Shell (Backdoor)

A web shell is a remote access interface for web servers often used in cyberattacks. It can be written in various programming languages and exploited through vulnerabilities in web applications.

Added kill chain phase(s): command and control
Previously supported kill chain phase(s): actions on objectives, delivery, command and control
MITRE ATT&CK added: T1505
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: 7

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
APT33	12	command and control	dns, tls, http	131	command and control, delivery	dns, http, tcp, tls	2025-01-08
ClickFix	2	delivery	tls, dns	60	command and control, delivery, exploitation	dns, http, tls	2025-01-08
Contagious Interview Campaign	9	delivery, command and control	dns, tls, http	9	delivery, command and control	dns, tls, http	2025-01-09
CryptBot	2	command and control, actions on objectives	http	95	actions on objectives, command and control, delivery	dns, http, tls	2025-01-08
CyberHaven Compromised Extension	179	command and control	dns, tls, http	179	command and control	dns, tls, http	2025-01-06
Earth Minotaur	2	delivery, exploitation	http	2	delivery, exploitation	http	2025-01-06
Fake Browser	39	exploitation	dns, tls, http	1338	command and control, delivery, exploitation	dns, http, tls	2025-01-11
KONNI	1	command and control	http	44	actions on objectives, command and control, delivery	dns, ftp, http, tls	2025-01-10
LandUpdate808	18	command and control	dns, tls, http	173	command and control, delivery	dns, http, tls	2025-01-11
Liberium RAT	4	command and control	tls	4	command and control	tls	2025-01-09
LiteHTTP Bot	3	command and control	http	3	command and control	http	2025-01-06
Lumma	66	command and control, actions on objectives	dns, tls, http	3580	actions on objectives, command and control, delivery, installation	dns, http, tls	2025-01-11
Malicious Pyinstaller	18	command and control	dns, tls, http	18	command and control	dns, tls, http	2025-01-09
NetSupport RAT	1	command and control	http	68	actions on objectives, command and control, exploitation, installation	dns, http, tls	2025-01-07
RAT Generic	5	command and control	tcp	195	actions on objectives, command and control, delivery, installation	dns, http, tcp, tcp-pkt, tls, udp	2025-01-11
SimpleHTTPServer	2	delivery, exploitation	http	2	delivery, exploitation	http	2025-01-09
SocGholish	6	command and control	dns, tls, http	1218	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2025-01-10
Strela Stealer	2	delivery, actions on objectives	http	5	actions on objectives, command and control, delivery	http	2025-01-11
TA455	3	command and control	dns, tls, http	536	command and control, installation	dns, http, tls	2025-01-08
TA582	36	command and control	dns, http, tls	679	command and control	dns, http, tls	2025-01-11
Test DoC	2	command and control	tls, http	2	command and control	tls, http	2025-01-09
Tomiris	1	command and control	http	1	command and control	http	2025-01-09
Web Shell	2	command and control	http	14	actions on objectives, command and control, delivery	http	2025-01-10
XMRig Coinminer	3	command and control, installation	tcp, http	3	command and control, installation	tcp, http	2025-01-06
XWorm	7	command and control	tcp-pkt	2097	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2025-01-07

Additional Resources

Technical support
Join the conversation on Discord
Follow us Twitter
Follow us on LinkedIn
Subscribe to our YouTube channel
Stamus Networks website

Threat Detection Update