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Organizations Warned of New Lilith, RedAlert, 0mega Ransomware

By Ionut Arghire on July 14, 2022

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Safety researchers with menace intelligence agency Cyble have warned organizations about three new ransomware households named Lilith, RedAlert and 0mega.

Written in C/C++ and focusing on 64-bit Home windows techniques, Lilith appends the “.lilith” extension to the encrypted information, after which it drops a ransom notice on the system to demand a cost. The ransomware operators additionally steal sufferer knowledge to carry out double extortion.

The ransomware encompasses a hardcoded checklist of processes that it searches for as soon as it’s executed on a sufferer’s machine, and terminates any of these discovered working, to make sure they’d not block its entry to the information focused for encryption.

Focused processes embrace these for Outlook, Thunderbird, Firefox, SQL, Steam, and extra.

The ransomware additionally searches for providers working on the system, by getting access to the service management supervisor database, after which calls particular APIs to take management of goal providers and cease them, Cyble explains.

Subsequent, Lilith enumerates the system’s drives and gathers data on every of them, after which it searches for information to encrypt by enumerating file directories on the machine.

Sufferer information are encrypted utilizing a set of cryptographic APIs and a random key generated regionally. The encrypted information characteristic the “.lilith” extension and are used to interchange the unique information on the disk.

It ignores information with the extensions EXE, DLL, and SYS, in addition to a sequence of directories and file names, together with the file that shops the native public key the Babuk ransomware would use for decryption, which could point out a connection between the 2 ransomware households.

Earlier than starting the encryption course of, the ransomware drops a ransom notice in a number of folders. The notice informs the sufferer they’ve three days to contact the ransomware operators and negotiate a cost.

The menace actor additionally threatens to make the sufferer’s knowledge public if the ransom is just not paid earlier than the deadline. The ransom notice additionally features a hyperlink to a Tor area that the attackers use as their leak web site.

Cyble additionally warns of a rise in assaults utilizing two reasonably new ransomware households, particularly RedAlert and 0mega. For 0mega, which employs the double-extortion tactic, indicators of compromise have but to be printed.

For the previous weeks, RedAlert has been focusing on Linux VMware ESXi servers, stopping all digital machines and encrypting all information associated to them. The malware is executed manually, helps a number of pre-encryption instructions, and solely accepts ransom funds in Monero.

“Ransomware teams proceed to pose a extreme menace to corporations and people. Organizations want to remain forward of the strategies utilized by menace actors apart from implementing the requisite safety finest practices and safety controls,” Cyble notes.

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