![]() ![]() The XMRig miner initiates its attack by dropping a copy of itself at %ProgramData%\RealtekHDUpdater\realtekdrv exe. and then changes the system’s file permissions without user consent as well as connects to the C2 server with various commands. The stealer makes use of several popular gaming app names to perform its activities, which include collecting login and passwords, cookies, autocomplete fields and credit cards, as well as stealing data from FTP and IM clients, researchers said. The Redline stealer–a new-ish Russian malware that’s been available on underground forums since last year-starts its attack by dropping a copy of itself into the AppData/Roaming folder of a victim’s machine. However, unlike the stealers and cryptominer observed in the new campaigns, Epsilon does not use Discord to initiate C2 communication. Once encryption is established, the attack downloads the ransom note image from the link to show on the victim’s machine, researchers noted. The malware establishes persistence by creating a registry key on the victim’s machine and then enumerating through the the system drives to encrypt the files using double encryption–including a randomly generated 32-bit key and custom RC4 encryption that has a 2048-bit variable-length key. ![]() ![]() exe file in the Windows/Temp folder of the user’s machine. In the case of the Epsilon ransomware, execution starts with dropping an.
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