Nebulae

Description

(Bitdefender) The analysis of the most recent samples showed that the backdoor is capable of: • Getting LogicalDrive information (Drive type, FreeSpace, VolumeInformation) • Listing, moving and deleting files and directories • Executing a process using CreateProcess or through a CMD shell • Listing and terminating processes • Downloading and uploading files from and to C&C

Communication with the C&C is realized by sending and receiving packets of a fixed form through a TCP connection. The format of packets can be visualized on the diagram below and represent an array of bytes of dynamic length with a 77 bytes header that stores the RC4 key used for payload encryption (the key is created by concatenating each fourth byte)

Names

Name
Nebulae

Category

Malware

Type

• Reconnaissance
• Backdoor
• Info stealer
• Downloader
• Exfiltration

Information

• https://www.bitdefender.com/files/News/CaseStudies/study/396/Bitdefender-PR-Whitepaper-NAIKON-creat5397-en-EN.pdf
• https://www.cybereason.com/blog/deadringer-exposing-chinese-threat-actors-targeting-major-telcos

Mitre Attack

• https://attack.mitre.org/software/S0630/

Malpedia

• https://malpedia.caad.fkie.fraunhofer.de/details/win.nebulae

Other Information

Uuid

5015e84a-0fd5-4850-9a07-41028e70a7ff

Last Card Change

2022-12-30