1-November-2022
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: 585
This week, in addition to daily ruleset and IOC updates, we provided Stamus Security Platform customers with the following improved defense(s):
Note: a "method" as referenced below, is a discrete detection vector for a given threat.
The following detections were added to your Stamus NDR this past week:
The malware comes in form of an “Extended Stored Procedure” DLL, a special type of extension used by Microsoft SQL servers. Once loaded into a server by an attacker, it is controlled solely using SQL queries and offers a variety of functionality to run commands, interact with files and function as a network bridge head into the environment of the infected server. DCSO
Maggie - malpedia |
A Trojan horse or Trojan is a type of malware that is often disguised as legitimate software. Trojans can be employed by cyber-thieves and hackers trying to gain access to users' systems. Users are typically tricked by some form of social engineering into loading and executing Trojans on their systems. Once activated, Trojans can enable cyber-criminals to spy on you, steal your sensitive data, and gain backdoor access to your system. Kaspersky
The term info stealer is self-explanatory. This type of malware resides in an infected computer and gathers data in order to send it to the attacker. Typical targets are credentials used in online banking services, social media sites, emails, or FTP accounts.
Info stealers may use many methods of data acquisition. The most common are:
hooking browsers (and sometimes other applications) and stealing credentials that are typed by the user using web injection scripts that are adding extra fields to web forms and submitting information from them to a server owned by the attacker form grabbing (finding specific opened windows and stealing their content) keylogging stealing passwords saved in the system and cookies Modern info stealers are usually parts of botnets. Sometimes the target of attack and related events are configured remotely by the command sent from the Command and Control server (C&C). Malwarebytes
YT Stealer - twitter |
Nymaim is a trojan downloader. It downloads (and runs) other malware on affected systems and was one of the primary malware families hosted on Avalanche. Nymaim is different in that it displays a localized lockscreen while it downloads additional malware. Nymaim is usually delivered by exploit kits and malvertising. Malpedia
Nymaim - microsoft |
The following detections were updated this past week with changes to kill chain phase(s) or MITRE ATT&CK tactic(s)/technique(s):
Magic Hound is an Iranian-sponsored threat group that conducts long term, resource-intensive cyber espionage operations, likely on behalf of the Islamic Revolutionary Guard Corps. They have targeted U.S. and Middle Eastern government and military personnel, academics, journalists, and organizations such as the World Health Organization (WHO), via complex social engineering campaigns since at least 2014. MITRE
The term info stealer is self-explanatory. This type of malware resides in an infected computer and gathers data in order to send it to the attacker. Typical targets are credentials used in online banking services, social media sites, emails, or FTP accounts.
Info stealers may use many methods of data acquisition. The most common are:
hooking browsers (and sometimes other applications) and stealing credentials that are typed by the user using web injection scripts that are adding extra fields to web forms and submitting information from them to a server owned by the attacker form grabbing (finding specific opened windows and stealing their content) keylogging stealing passwords saved in the system and cookies Modern info stealers are usually parts of botnets. Sometimes the target of attack and related events are configured remotely by the command sent from the Command and Control server (C&C). Malwarebytes
Cobalt Strike is a commercial, full-featured, penetration testing tool which bills itself as “adversary simulation software designed to execute targeted attacks and emulate the post-exploitation actions of advanced threat actors”. Cobalt Strike’s interactive post-exploit capabilities cover the full range of ATT&CK tactics, all executed within a single, integrated system.
In addition to its own capabilities, Cobalt Strike leverages the capabilities of other well-known tools such as Metasploit and Mimikatz. MITRE
Gamaredon Group is a threat group that has been active since at least 2013 and has targeted individuals likely involved in the Ukrainian government. The name Gamaredon Group comes from a misspelling of the word "Armageddon", which was detected in the adversary's early campaigns. MITRE
Trojan-Banker programs are designed to steal user account data relating to online banking systems, e-payment systems and plastic card systems. The data is then transmitted to the malicious user controlling the Trojan. Email, FTP, the web (including data in a request), or other methods may be used to transit the stolen data. Kaspersky
Injector trojans insert malicious code into processes running on a computer in order to perform various actions, such as downloading additional malware, interfering with web browsing activities or monitoring the user's actions. f-secure
Joker is one of the most prominent malware families that continually targets Android devices. Despite awareness of this particular malware, it keeps finding its way into Google’s official application market by employing changes in its code, execution methods, or payload-retrieving techniques. This spyware is designed to steal SMS messages, contact lists, and device information along with silently signing up the victim for premium wireless application protocol (WAP) services. Zscaler
OilRig is a suspected Iranian threat group that has targeted Middle Eastern and international victims since at least 2014. The group has targeted a variety of industries, including financial, government, energy, chemical, and telecommunications, and has largely focused its operations within the Middle East. It appears the group carries out supply chain attacks, leveraging the trust relationship between organizations to attack their primary targets. FireEye assesses that the group works on behalf of the Iranian government based on infrastructure details that contain references to Iran, use of Iranian infrastructure, and targeting that aligns with nation-state interests.This group was previously tracked under two distinct groups, APT34 and OilRig, but was combined due to additional reporting giving higher confidence about the overlap of the activity. MITRE
A Trojan horse or Trojan is a type of malware that is often disguised as legitimate software. Trojans can be employed by cyber-thieves and hackers trying to gain access to users' systems. Users are typically tricked by some form of social engineering into loading and executing Trojans on their systems. Once activated, Trojans can enable cyber-criminals to spy on you, steal your sensitive data, and gain backdoor access to your system. Kaspersky
QAKBOT or QBOT is a malware that is capable of monitoring the browsing activities of the infected computer and logs all information related to finance-related websites.
Trendmicro
Unit 42 also discovered a custom remote access Trojan/backdoor containing a unique command and control (C2) protocol. Based on the strings within the binary as well as the functionality, we’ve opted to name it ROMCOM RAT. Unit42
Remote Access Trojans are programs that provide the capability to allow covert surveillance or the ability to gain unauthorized access to a victim PC. Remote Access Trojans often mimic similar behaviors of keylogger applications by allowing the automated collection of keystrokes, usernames, passwords, screenshots, browser history, emails, chat lots, etc. Remote Access Trojans differ from keyloggers in that they provide the capability for an attacker to gain unauthorized remote access to the victim machine via specially configured communication protocols which are set up upon initial infection of the victim computer. This backdoor into the victim machine can allow an attacker unfettered access, including the ability to monitor user behavior, change computer settings, browse and copy files, utilize the bandwidth (Internet connection) for possible criminal activity, access connected systems, and more. Malwarebytes
Remcos is a closed-source tool that is marketed as a remote control and surveillance software by a company called Breaking Security.
Remcos has been observed being used in malware campaigns.
An actor mainly targeting Pakistan military targets, active since at least 2012. We have low confidence that this malware might be authored by an Indian company. To spread the malware, they use unique implementations to leverage the exploits of known vulnerabilities (such as CVE-2017-11882) and later deploy a Powershell payload in the final stages. Malpedia
It leverages compromised websites and performs some of the most creative fingerprinting checks we’ve seen, before delivering its payload (NetSupport RAT). Malwarebytes
The term info stealer is self-explanatory. This type of malware resides in an infected computer and gathers data in order to send it to the attacker. Typical targets are credentials used in online banking services, social media sites, emails, or FTP accounts.
Info stealers may use many methods of data acquisition. The most common are:
hooking browsers (and sometimes other applications) and stealing credentials that are typed by the user using web injection scripts that are adding extra fields to web forms and submitting information from them to a server owned by the attacker form grabbing (finding specific opened windows and stealing their content) keylogging stealing passwords saved in the system and cookies Modern info stealers are usually parts of botnets. Sometimes the target of attack and related events are configured remotely by the command sent from the Command and Control server (C&C). Malwarebytes
Again, the generic nature of this detection means that the Payloads performed by this group of trojans may be highly variable, and therefore difficult to describe specifically. This group of trojans has been observed to perform any, or all, of the following actions:
redirect Web traffic
- manipulate certain Windows or third-party applications including settings or configurations
- drop or install additional malicious programs
- download and run additional malicious programs
Please note that this list is not exhaustive.
Microsoft
A Trojan downloader is a type of Trojan horse that downloads and installs files, often malicious programs. A Trojan horse is a type of software that looks legitimate but can be malicious in nature. Sometimes these programs can be downloaded onto a device without the user’s knowledge or consent. A Trojan’s purpose is to damage, disrupt, steal, or generally inflict some other harm on your computer and devices. Norton
A dropper is a kind of Trojan that has been designed to "install" some sort of malware (virus, backdoor, etc.) to a target system. The malware code can be contained within the dropper (single-stage) in such a way as to avoid detection by virus scanners or the dropper may download the malware to the target machine once activated (two stage). Wikipedia
Malicious programs of this family secretly send information to the criminal from the user’s infected Android mobile device. Kaspersky
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 | 1 | command and control | dns | 178 | command and control, delivery | dns, ftp, http, tcp, tls | 2022-10-28 |
| Banker Stealer | 5 | command and control | dns, http | 206 | actions on objectives, command and control, delivery | dns, http, smtp, tcp, tls | 2022-10-29 |
| Cobalt Strike | 4 | command and control | dns | 384 | actions on objectives, command and control, delivery, exploitation | dns, http, smb, tcp, tls, udp | 2022-10-26 |
| Gamaredon | 1 | delivery | http | 123 | actions on objectives, command and control, delivery | dns, http | 2022-10-27 |
| Hqwar | 2 | command and control | dns, tls | 50 | actions on objectives, command and control | dns, http, tls | 2022-10-29 |
| Injector | 1 | command and control | http | 63 | command and control, delivery | dns, http, tcp, udp | 2022-10-27 |
| Joker | 9 | command and control | http, dns, tls | 32 | actions on objectives, command and control | dns, ftp, http, tls | 2022-10-29 |
| Maggie | 7 | actions on objectives | tcp | 7 | actions on objectives | tcp | 2022-10-25 |
| Nymaim | 12 | command and control | http | 12 | command and control | http | 2022-10-25 |
| OilRig | 3 | command and control | http | 37 | actions on objectives, command and control, delivery | dns, http, tls, udp | 2022-10-25 |
| Piom | 2 | command and control | dns | 28 | command and control | dns, http, tls | 2022-10-29 |
| QakBot | 2 | actions on objectives | tls | 33 | actions on objectives, command and control, delivery | ftp, http, tcp, tls | 2022-10-27 |
| ROMCOM | 6 | command and control | dns | 8 | command and control | dns | 2022-10-25 |
| Realrat | 2 | command and control | dns, tls | 36 | command and control | dns, tls | 2022-10-29 |
| Remcos | 2 | command and control | tcp | 866 | command and control, delivery | dns, http, tcp, tcp-pkt | 2022-10-28 |
| SideWinder | 1 | command and control | http | 87 | actions on objectives, command and control, delivery | dns, http, tls | 2022-10-26 |
| SocGholish | 4 | command and control, exploitation, delivery | dns, http | 176 | actions on objectives, command and control, delivery, exploitation, reconnaissance | dns, http, tcp, tls | 2022-10-29 |
| Stealer and Exfiltration | 1 | command and control | http | 229 | actions on objectives, command and control, exploitation, installation | dns, ftp, http, smtp, tcp, tcp-pkt, tls | 2022-10-25 |
| Trojan Agent | 1 | actions on objectives | tcp-pkt | 365 | actions on objectives, command and control, delivery, installation | dns, http, ip, smtp, tcp, tcp-pkt, tcp-stream, udp | 2022-10-25 |
| Trojan Downloader | 34 | command and control, delivery | http, tls | 237 | actions on objectives, command and control, delivery, installation | dns, http, tcp, tls, udp | 2022-10-25 |
| Trojan Dropper | 6 | delivery, command and control | dns, http | 285 | actions on objectives, command and control, delivery, installation | dns, http, tcp, tls, udp | 2022-10-29 |
| TrojanSpy-Android | 16 | actions on objectives, command and control | http, dns, tls, tcp | 427 | actions on objectives, command and control, delivery | dns, http, tcp, tls | 2022-10-29 |
| WarHawk | 15 | command and control, actions on objectives | http | 15 | command and control, actions on objectives | http | 2022-10-26 |
| YT Stealer | 2 | command and control | dns, http | 2 | command and control | dns, http | 2022-10-25 |
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