Trojan.Kryptik.BEZB
Trojan.Kryptik.BEZB is a detection name used to flag a trojan belonging to the broader "Kryptik" family of malicious programs. Threats detected under this name are typically packed or obfuscated to make analysis and detection more difficult, which is why security tools often group many different malicious files under a single "Kryptik" label. As with most trojans, its presence on a computer should be treated as a serious warning sign that the system has been compromised in some way.
Table of Contents
What Trojan.Kryptik.BEZB Does
Like other members of the Kryptik family, this trojan is generally designed to run quietly in the background while carrying out malicious actions without the user's knowledge or consent. Typical behavior associated with this category of threat can include collecting information from the infected device, modifying system settings, downloading and installing additional malicious files, and allowing remote attackers to issue commands to the compromised machine. Because detections like this are often associated with packed or encrypted payloads, the exact capabilities of any individual sample can vary widely, ranging from data theft to acting as a delivery mechanism for other malware such as ransomware, spyware, or additional trojans.
How It Usually Gets onto Computers
Trojans in this category typically spread through common infection methods rather than through self-replication. These usually include malicious email attachments or links in phishing messages, fake software updates, bundled downloads from untrustworthy websites, cracked or pirated software, and malicious advertisements. Users may unknowingly install the trojan by opening an infected attachment, running a disguised executable, or downloading software from unofficial sources that have been tampered with to include hidden malicious code.
Risks for the User
Having a trojan like this on a system can expose users to a range of risks. Because trojans of this type are often used as multi-purpose tools by cybercriminals, potential consequences can include theft of personal or financial information, unauthorized remote access to the device, degraded system performance, installation of additional malware, and compromised online accounts. In some cases, infected systems may be enrolled into larger networks of compromised machines controlled by attackers for further malicious activity.
Signs of Infection
Trojans are typically built to avoid detection, so infections are not always obvious. However, common warning signs that may indicate a system is compromised include noticeably slower performance, unexpected crashes or freezes, unfamiliar processes running in the background, changes to browser or system settings that were not made by the user, unusual network activity, and security software being disabled or malfunctioning without explanation.
How to Stay Protected
To reduce the risk of encountering threats like Trojan.Kryptik.BEZB, users should avoid opening email attachments or clicking links from unknown or unexpected senders, download software only from official and reputable sources, keep the operating system and installed applications up to date, and avoid using pirated or cracked software. Running a reputable, up-to-date security solution and performing regular system scans can help detect and remove threats before they cause significant harm. Maintaining regular backups of important files also helps minimize damage in case a system does become infected.
Analysis Report
General information
| Family Name: | Trojan.Kryptik.BEZB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
53fbf82924c439247b84eac54a1b245b
SHA1:
1b8104b7936199a2f90e8ba43e6869e333da5133
SHA256:
DCACDD3600C065546FB38DF98746C10A6684BB9FA390687ED6E7F7BEBC487B44
File Size:
410.82 KB, 410821 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have security information
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| Company Name | The Precision Island Manufacturing |
| File Description | Interrupt Scanner Thread |
| File Version | 3.98.8136.0 |
| Internal Name | interruptscn |
| Legal Copyright | Copyright © 2025 The Precision Island Manufacturing |
| Original Filename | ntrscnsvc.exe |
| Product Name | Interrupt Scanner Thread |
| Product Version | 3.98.8136.0 |
File Traits
- big overlay
- HighEntropy
- ntdll
- x64
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: | 46 |
|---|---|
| Potentially Malicious Blocks: | 24 |
| Whitelisted Blocks: | 7 |
| Unknown Blocks: | 15 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\users\user\appdata\local\temp\nativeloader_9372.log | Read Attributes,Synchronize,Append data |
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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| Anti Debug |
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