Ransomware

Echida Stealer Technical Analysis

Echida Stealer is a C# malware that steals data and takes remote commands. This Threat Intelligence post covers its capabilities, C2 and MITRE ATT&CK map.

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echida stealer malware explained by brandefense

Echida Stealer is a C# malware that collects data from infected computers and takes remote commands from a server. This Threat Intelligence write-up from the Brandefense Research Team covers its main capabilities, command and control notes and the MITRE ATT&CK techniques it maps to. The malware is not yet available in the market.

This blog post comes from the “Echida Stealer Technical Analysis Report” by the Brandefense Research Team. For more details about the analysis, download the report.

What Is Echida Stealer?

File Name: EchidaNetwork.exe
MD5: 68a7d5caa4c7bfbf0bcde05f58d2f0f2
SHA-1: 5af3b1b149cf82bbd464841fbf250732736ea7c1
SHA256: 276cdb84c5db9d081f107c821a4b28e3b7749a0924a8445d0c021de6fbac72a4

Echida Stealer is a new data collection and remote command-receiving malware written in C# programming language. Despite limited sample data, it offers data collection capabilities and remote control features. Targeted for various purposes, its unique advantage is remote command reception. However, ethical and legal concerns surround its use, and ongoing development and testing are needed for competitiveness. There are limited samples, and samples are pointed out for testing at this time.

The main capabilities of malware consist of receiving and running a command from the server, generating unique hardware identifiers for every victim, mining cryptocurrency on the victim’s device, and adding an infected computer to the botnet that might be used for various purposes, such as DDoS attacks.

Echida Stealer at a glance
Written in.
C#.
Type.
Data collection and remote command-receiving malware.
Remote command.
Receives and runs a command from the server.
Other capabilities.
Hardware identifiers per victim, cryptocurrency mining, botnet use such as DDoS.
Market status.
Not yet available in the market.

Analyst Note

Beta version of the panel does not seem to work properly and has lots of typos at this point. For example, panel title is “Danshboard” and few endpoints of the server is available as open directory.

Analyst Note (From Command and Control Communication Section)

Although commands and capabilities of the malware are limited at the time, with remote update and plugin installation option can be used for migration to more stabilized and foolproof infrastructure. The malware panel has various options such as steal logs and crypto mining. These features not implemented on the malware yet, but actors does not require whole new process of infection.

Conclusion

In conclusion, Echida Stealer, though not yet available in the market, enters the domain of data-stealing software, particularly relevant to botnet operations. While its capabilities may not be entirely unique, they highlight the ongoing concerns surrounding such technology, especially within the context of botnets.

As this software undergoes development, it is imperative to recognize that responsible technology use should be at the forefront. Echida Stealer’s potential for data collection and remote control is particularly interesting to those involved in botnet activities, underscoring the need for heightened vigilance.

In a world where botnets and cyberattacks pose significant threats to digital privacy and security, the emergence of software like Echida Stealer reinforces the importance of comprehensive cybersecurity strategies. Further development and testing should be carried out with a focus on responsible standards within the evolving landscape of botnet-related activities.

MITRE ATT&CK Threat Matrix

  1. TA0002 Execution
    1. T1204 User Execution
      1. T1204.002 Malicious File
  2. TA0005 Stealth
    1. T1140 Deobfuscate/Decode Files or Information
  3. TA0007 Discovery
    1. T1082 System Information Discovery
    2. T1033 System Owner/User Discovery
  4. TA0009 Collection
    1. T1005 Data From Local System
  5. TA0011 Command and Control
    1. T1219 Remote Access Tools
  6. TA0010 Exfiltration
    1. T1041 Exfiltration Over C2 Channel

Download YARA Rules from GitHub

Frequently Asked Questions.

What is Echida Stealer?

According to the post, it is a new data collection and remote command-receiving malware written in C#. It is not yet available in the market.

What can Echida Stealer do?

It can receive and run a command from the server, generate unique hardware identifiers for every victim, mine cryptocurrency on the victim's device and add the infected computer to a botnet used for purposes such as DDoS attacks.

Is Echida Stealer sold on the market?

Not yet, according to the post. It says Echida Stealer is not yet available in the market and that samples are limited.

Which MITRE ATT&CK techniques does Echida Stealer map to?

The post lists User Execution: Malicious File (T1204.002), T1140, T1082, T1033, T1005, Remote Access Tools (T1219) and Exfiltration Over C2 Channel (T1041). MITRE ATT&CK confirms each id and name, and places them under Execution (TA0002), Stealth (TA0005, formerly Defense Evasion), Discovery (TA0007), Collection (TA0009), Command and Control (TA0011) and Exfiltration (TA0010).

Sources

  1. 1 MITRE ATT&CK: User Execution, Malicious File (T1204.002)
  2. 2 MITRE ATT&CK: Remote Access Tools (T1219)
  3. 3 MITRE ATT&CK: Exfiltration Over C2 Channel (T1041)
  4. 4 MITRE ATT&CK: Stealth tactic (TA0005)
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