The malware performs various checks to prevent debugging and terminates itself if malware is being debugged. After this, the malware creates a thread for each function present in the list to execute the malicious code parallelly. Upon execution, the stealer checks the configuration settings and creates a list to append the function names whose flag is set to TRUE. Figure 6 – Creating a folder in the Temp directory The malware copies itself into the startup location to establish persistence and creates a random directory in the %temp% to store the stolen data. The malware configuration also contains Flag variables and a list of programs to terminate during execution, as shown below. The malware exfiltrates the data to a Discord channel using webhooks which can be modified through the configuration settings. The builder is a simple batch file that helps generate the payload and convert malicious Python script to a. Hazard Token Grabber is developed using Python, and the builder of this stealer supports Python version 3.10. Figure 3 – File Details Technical Analysis Builder: The figure below shows the file details of one of the recent samples we analyzed. Figure 2 – Stats of the sample submission in VirusTotal The number of samples related to Hazard stealer has increased significantly in the last three months, as shown below. Figure 1 shows the statement made by the Threat Actor. This indicates that the malware present on GitHub might not be that evasive, and the TA has only uploaded it there for advertisement purposes. As per the statement made by the Threat Actor (TA), it appears that an upgraded version of Hazard Stealer can be accessed by purchasing it on their Discord server or website.
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