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: 1192

 

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]: 4 (BugSleep, TrickMo, Mints Loader, ReverseLoader)
• Major changes to detections(s) [2]: 178
• Updated threat detection(s) [3]: 188

 

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:

 

BugSleep (Backdoor)

BugSleep is a backdoor used to execute commands and transfer files between compromised machines and C&C servers. It is under development, with threat actors enhancing functionality and addressing bugs.

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

 

TrickMo (Trojan)

TrickMo is a mobile banking trojan that bypasses 2FA, likely distributed by TrickBot. It targets users in Germany to steal one-time passwords (TANs) used for transaction authorization.

TrickMo - Malpedia | TrickMo - Cleafy |

• Total number of detection methods: 3
• Kill chain phase(s): delivery, installation

 

Mints Loader (Loader)

MintsLoader is a malware that spreads through phishing emails targeting European organizations. It uses JavaScript and PowerShell in a multi-step infection process involving URLs with .top TLD and domain generation algorithm (DGA).

Mints Loader - Malpedia |

• Total number of detection methods: 1
• Kill chain phase(s): command and control
• MITRE ATT&CK: T1071

 

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.

• Total number of detection methods: 6
• Kill chain phase(s): delivery

 

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):

 

Ailurophile (Data Theft)

The stealer is written in PHP, packaged into an executable with 'ExeOutput', and virtualized with 'BoxedApp' for victims who cannot execute PHP code.

• Added kill chain phase(s): command and control
• Previously supported kill chain phase(s): actions on objectives, command and control
• MITRE ATT&CK added: T1567
• Methods added: 3

 

Balada (Backdoor)

Over one million WordPress sites have been compromised by a campaign exploiting theme and plugin vulnerabilities to inject a Linux backdoor called Balad Injector since 2017, redirecting to fraudulent pages.

• Added kill chain phase(s): command and control
• Previously supported kill chain phase(s): exploitation, command and control
• Methods added: 9

 

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
• 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: 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: 93

 

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: 1

 

SideWinder (APT)

Actor targeting Pakistan military, linked to Indian company with unique malware implementations since 2012. Leverages CVE-2017-11882 exploits, deploys Powershell payload in final stages. Low confidence in attribution.

• Added kill chain phase(s): command and control
• Previously supported kill chain phase(s): command and control, delivery, actions on objectives
• 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
• MITRE ATT&CK added: T1189
• Previously existing MITRE ATT&CK: T1027, T1189, T1071
• Methods added: 3

 

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
• Methods added: 9

 

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: 19

 

UAC-0050 (APT)

CERT-UA report links threat group UAC-0050 to Russian-speaking mercenary organization The DaVinci Group, with ties to Russian law enforcement, targeting Ukrainian organizations since 2022 Russian invasion.

• Added kill chain phase(s): command and control
• Previously supported kill chain phase(s): command and control
• Methods added: 7

 

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: 13

 

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
Ailurophile	3	command and control	dns, tls, http	7	actions on objectives, command and control	dns, http, tls	2024-10-29
Balada	9	command and control	dns, tls, http	124	command and control, exploitation	dns, http, tls	2024-10-31
BugSleep	2	command and control	tcp	2	command and control	tcp	2024-10-31
ClickFix	6	delivery	dns, tls, http	40	command and control, delivery, exploitation	dns, http, tls	2024-10-29
Fake Browser	12	exploitation	dns, tls, http	1079	command and control, delivery, exploitation	dns, http, tls	2024-11-01
Lumma	93	command and control, actions on objectives	dns, tls, http	2450	actions on objectives, command and control, delivery, installation	dns, http, tls	2024-11-02
Mints Loader	1	command and control	http	1	command and control	http	2024-10-31
RAT Generic	1	command and control	tcp	162	actions on objectives, command and control, delivery, installation	dns, http, tcp, tcp-pkt, tls, udp	2024-11-01
ReverseLoader	4	delivery	http	6	delivery	http	2024-10-31
SideWinder	3	command and control	dns, tls, http	407	actions on objectives, command and control, delivery	dns, http, tls	2024-10-30
SocGholish	3	command and control	dns, tls, http	1060	actions on objectives, command and control, delivery, exploitation, reconnaissance	dns, http, tcp, tcp-pkt, tls	2024-10-29
TA4903	9	delivery	dns, tls, http	1195	delivery	dns, http, tls	2024-10-30
TA582	19	command and control	dns, http, tls	366	command and control	dns, http, tls	2024-10-30
TrickMo	3	delivery, installation	http	3	delivery, installation	http	2024-10-31
UAC-0050	7	command and control	dns, tls, tcp, http	19	command and control	dns, http, tcp, tls	2024-11-01
XWorm	13	command and control	tcp-pkt	1708	command and control, delivery	dns, http, tcp, tcp-pkt, tls	2024-11-01

 

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