Trojan.Agent.EC
Trojan.Agent.EC is a detection name used to identify a member of the broad Trojan.Agent family of malicious programs. Because detections in this family are grouped together by shared behavioral or code characteristics rather than by a single, specific payload, the exact actions of any individual Trojan.Agent.EC infection can vary. In general, however, threats classified this way are designed to quietly infiltrate a computer and carry out harmful tasks without the user's knowledge or consent.
Table of Contents
What Trojan.Agent.EC Does
Like other Trojans, Trojan.Agent.EC typically disguises itself as a legitimate or harmless file to avoid raising suspicion. Once it is executed on a system, it may run silently in the background while performing one or more malicious activities. Trojans in this category commonly attempt to:
- Download and install additional malware onto the infected computer.
- Modify system settings or security configurations to weaken the device's defenses.
- Collect information about the system or the user's activity.
- Establish a connection to a remote server controlled by attackers, allowing further instructions or files to be sent to the infected machine.
- Consume system resources, which can slow down the computer or cause instability.
Since the specific capabilities of a given Trojan.Agent.EC sample are not always publicly documented, it is safest to treat any detection of this threat as a sign of a potentially serious compromise that requires prompt attention.
How It Usually Gets Onto Computers
Trojans in general do not spread on their own the way worms or viruses do. Instead, they typically rely on tricking users into installing them. Common infection methods for threats like Trojan.Agent.EC include:
- Email attachments or links in spam and phishing messages.
- Bundled installers for pirated software, cracks, or key generators.
- Fake software updates or deceptive download buttons on untrustworthy websites.
- Malicious advertisements that redirect users to infected downloads.
- Compromised or infected removable storage devices.
These are typical delivery methods observed with Trojan infections generally, and users should be cautious of any unexpected or unverified download source.
Risks for the User
An active Trojan.Agent.EC infection can expose a user to several risks. These may include theft of sensitive information such as login credentials or personal data, unauthorized remote access to the infected device, installation of additional malware like ransomware or spyware, and degraded system performance. In some cases, the infected computer could also be enlisted into a larger network of compromised machines used for further malicious activity.
Signs of Infection
Because Trojans are built to operate stealthily, there may be few obvious symptoms. However, users should watch for warning signs commonly associated with this type of malware, such as unexplained slowdowns, unexpected pop-ups or browser redirects, unfamiliar programs or processes running in the background, increased network activity when the computer is idle, security software being disabled without explanation, or new, unrecognized files appearing on the system.
How to Stay Protected
To reduce the risk of encountering threats like Trojan.Agent.EC, users should keep their operating system and all installed software up to date, avoid downloading programs from unofficial or pirated sources, be cautious with email attachments and links from unknown senders, use a reputable and updated anti-malware solution to scan and monitor the system, and maintain regular backups of important files. Practicing safe browsing habits and staying alert to suspicious system behavior remain the most effective ways to prevent Trojan infections before they can cause harm.
Analysis Report
General information
| Family Name: | Trojan.Agent.EC |
|---|---|
| Packers: | UPX! |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ee5417c7d91c35a6ebfae9d6ad6fcaa4
SHA1:
7bfd0fd0d949b314d9f1b4abf78e07860e757744
SHA256:
6A1872A5A57DD989B81956926355BD5B8210D9A042ED8499A143908C996981BF
File Size:
192.51 KB, 192512 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has been packed
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
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- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| File Version | 0.1.0 |
| Product Name | qlibws |
| Product Version | 1.0.0.1 |
File Traits
- dll
- HighEntropy
- packed
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 1,102 |
|---|---|
| Potentially Malicious Blocks: | 50 |
| Whitelisted Blocks: | 648 |
| Unknown Blocks: | 404 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| Anti Debug |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\7bfd0fd0d949b314d9f1b4abf78e07860e757744_0000192512.,LiQMAxHB
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