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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: 1216

 

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 (Glove Stealer, Insecure legacy protocol - LLMNR)
  • Major changes to detections(s) [2]: 493
  • Updated threat detection(s) [3]: 501

 

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 Security Platform (SSP) this past week:

 

Glove Stealer (Data Theft)

Glove Stealer is a .NET information stealer targeting sensitive data from browser extensions and software, including cryptocurrency wallets and password managers. It bypasses encryption using a supporting module. Spread through phishing emails and disguised as a fixing tool.

  • Total number of detection methods: 8
  • Kill chain phase(s): command and control, actions on objectives
  • MITRE ATT&CK: T1665, T1041

 

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
  • Methods added: 6

 

Banker Stealer (Data Theft)

Info stealers are malware that gather data from infected computers and send it to attackers. They use methods like browser hooking, web injection scripts, form grabbing, keylogging, and stealing saved passwords.

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

 

Bitter (APT)

China's APT17 is a threat group targeting U.S. government entities, defense industry, law firms, IT companies, mining companies, and NGOs with network intrusions.

  • Added kill chain phase(s): delivery
  • Previously supported kill chain phase(s): command and control, delivery, actions on objectives
  • Methods added: 1

 

Brute Force Attack Outbound (Lateral Movement)

Lateral Movement involves using various techniques to navigate through a network and gain access to remote systems. Brute force attacks outbound can indicate compromise or malicious insider behavior.

  • Added kill chain phase(s): exploitation
  • Previously supported kill chain phase(s): exploitation
  • Methods added: 1

 

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
  • Methods added: 10

 

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, actions on objectives
  • Previously supported kill chain phase(s): command and control, actions on objectives, delivery, installation
  • Methods added: 5

 

ConnectWise (Trojan)

Trojans are malicious software disguised as legitimate programs used by cyber-thieves to gain access to users' systems. They can spy on users, steal data, and provide backdoor access to the system.

  • Added kill chain phase(s): installation
  • Previously supported kill chain phase(s): delivery
  • Methods added: 1

 

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: T1189
  • Methods added: 30

 

Glupteba (Downloader)

Glupteba is a trojan virus distributed by cyber criminals through malicious ads on legitimate websites. It can install other malicious programs and should be removed immediately.

  • Added kill chain phase(s): command and control
  • Previously supported kill chain phase(s): command and control
  • Methods added: 2

 

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: 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
  • Methods added: 99

 

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: T1587, T1105
  • Methods added: 1

 

Ngate (Data Theft)

ESET researchers discovered NGate malware targeting clients of Czech banks. Malware relays payment card data from victims' Android devices to attacker's rooted Android phone.

  • Added kill chain phase(s): command and control
  • Previously supported kill chain phase(s): command and control
  • MITRE ATT&CK added: T1071
  • Methods added: 1

 

Obfuscated File (Trojan)

Adversaries use encryption, encoding, and obfuscation to hide executable files for evasion. This common tactic is used on various platforms and networks to avoid detection.

  • Added kill chain phase(s): delivery
  • Previously supported kill chain phase(s): delivery
  • Methods added: 1

 

OilRig (APT)

OilRig, a suspected Iranian threat group, targets various industries in the Middle East since 2014. FireEye links group to Iranian government based on infrastructure details and targeting alignment.

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

 

Parrot TDS (Trojan)

Parrot TDS allows malicious campaigns like FakeUpdate (SocGholish) to trick users into downloading a fake browser update, delivering a remote access tool to victims through infected websites.

  • Added kill chain phase(s): command and control
  • Previously supported kill chain phase(s): command and control
  • MITRE ATT&CK added: T1189
  • Previously existing MITRE ATT&CK: T1189
  • Methods added: 3

 

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: 9

 

ROMCOM (RAT)

Unit 42 found a custom remote access Trojan/backdoor with a unique C2 protocol, named ROMCOM RAT. based on strings in the binary and functionality, Full details at Unit42

  • Added kill chain phase(s): command and control
  • Previously supported kill chain phase(s): command and control
  • MITRE ATT&CK added: T1189
  • Methods added: 27

 

SnakeKeylogger (Data Theft)

Snake is a dangerous keylogging malware that threatens privacy by capturing all typed information. It poses a risk to the safety of user data.

  • Added kill chain phase(s): actions on objectives
  • Previously supported kill chain phase(s): actions on objectives, delivery, command and control
  • MITRE ATT&CK added: T1071
  • 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, delivery
  • 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: T1027, T1189, T1071
  • Methods added: 82

 

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
  • MITRE ATT&CK added: T1071
  • Previously existing MITRE ATT&CK: T1071, T1566
  • Methods added: 5

 

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: 21

 

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: 3

 

TrojanSpy-Android (Data Theft)

Malicious programs in the Trojan-Spy.AndroidOS.Agent family covertly send data from infected Android devices to criminals.

  • 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: T1041, T1583
  • Methods added: 1

 

UAC-0215 (APT)

Hackers are targeting Ukrainian government and military systems with phishing emails that contain RDP configuration files disguised as popular network services, aiming for broader impact with meticulous planning since August.

  • Added kill chain phase(s): actions on objectives
  • Previously supported kill chain phase(s): command and control
  • MITRE ATT&CK added: T1071
  • Methods added: 118

 

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: T1573
  • Methods added: 49

 

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 6 delivery dns, tls, http 1144 command and control, delivery dns, ftp, http, tcp, tls, udp 2024-11-26
Banker Stealer 1 command and control tls 406 actions on objectives, command and control, delivery dns, http, smtp, tcp, tls 2024-11-30
Bitter 1 delivery http 73 actions on objectives, command and control, delivery dns, http, tcp, tcp-pkt, tls 2024-11-27
Brute Force Attack Outbound 1 exploitation ftp 2 exploitation ftp 2024-11-26
ClickFix 10 delivery dns, tls, http 50 command and control, delivery, exploitation dns, http, tls 2024-11-29
Command and Control 5 command and control, actions on objectives dns, tls, http 535 actions on objectives, command and control, delivery, installation dns, http, tcp, tcp-pkt, tls 2024-11-29
ConnectWise 1 installation http 13 delivery, installation dns, http, tls 2024-11-29
Fake Browser 30 exploitation dns, tls, http 1172 command and control, delivery, exploitation dns, http, tls 2024-11-28
Glove Stealer 8 command and control, actions on objectives dns, tls, http 8 command and control, actions on objectives dns, tls, http 2024-11-29
Glupteba 2 command and control tls 122 command and control dns, http, tcp, tls 2024-11-26
LandUpdate808 12 command and control dns, tls, http 74 command and control, delivery dns, http, tls 2024-11-27
Lumma 99 command and control, actions on objectives dns, tls, http 2907 actions on objectives, command and control, delivery, installation dns, http, tls 2024-11-30
NetSupport RAT 1 command and control http 64 actions on objectives, command and control, exploitation, installation dns, http, tls 2024-11-26
Ngate 1 command and control tls 25 command and control dns, http, tls 2024-11-30
Obfuscated File 1 delivery http 6 delivery http, tcp 2024-11-29
OilRig 3 command and control dns, tls, http 73 actions on objectives, command and control, delivery dns, http, tls, udp 2024-11-27
Parrot TDS 3 command and control dns, tls, http 86 command and control dns, http, tls 2024-11-26
RAT Generic 9 command and control tcp 180 actions on objectives, command and control, delivery, installation dns, http, tcp, tcp-pkt, tls, udp 2024-11-30
ROMCOM 27 command and control dns, tls, http 100 command and control dns, http, tls 2024-11-27
SnakeKeylogger 1 actions on objectives http 16 actions on objectives, command and control, delivery dns, ftp, ftp-data, http, smtp, tls 2024-11-29
SocGholish 82 command and control, delivery dns, tls, http 1159 actions on objectives, command and control, delivery, exploitation, reconnaissance dns, http, tcp, tcp-pkt, tls 2024-11-29
TA4903 5 delivery dns, tls, http 1216 delivery dns, http, tls 2024-11-28
TA582 21 command and control dns, http, tls 482 command and control dns, http, tls 2024-11-28
Trojan Downloader 3 delivery dns, tls, http 341 actions on objectives, command and control, delivery, installation dns, http, tcp, tls, udp 2024-11-29
TrojanSpy-Android 1 command and control tls 1563 actions on objectives, command and control, delivery, installation dns, http, tcp, tls 2024-11-30
UAC-0215 118 actions on objectives tcp 456 actions on objectives, command and control dns, http, tcp, tls 2024-11-29
XWorm 49 command and control tcp-pkt 1923 command and control, delivery dns, http, tcp, tcp-pkt, tls 2024-11-27

 

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