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1. #NJRAT 5 DOWNLOAD SOFTWARE#
2. #NJRAT 5 DOWNLOAD CODE#
3. #NJRAT 5 DOWNLOAD SERIES#
4. #NJRAT 5 DOWNLOAD DOWNLOAD#

System32.vbs will call powershell, download and call njRat from the Microsoft OneDrive address that hosts njRat. Ps2.txt script download and decrypt njRAT data and load Ps2.txt will continue to download and run the obfuscated njRAT payload file data, and load it after deobfuscation. The infected installation package will first release “cnews.vbs” to the “%UserProfile%\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup” directory, so that the Trojan horse vbs script is set as a startup item to achieve local persistence For the purpose of conversion, and call powershell through the vbs script, run v.ps1 script in “%UserProfile%\Videos” directory that was released by the infected installation package.

At the same time, through the analysis of the files associated with the Trojan C&C server address 95.211.239.201, it can also be found that the njRAT payload has adopted various delivery methods as described below to infect the victim’s machine.

#NJRAT 5 DOWNLOAD SOFTWARE#

When users download and run the installation package, while the normal software is installed, the njRAT also gets the first opportunity to invade the victim’s machine. The Trojan is mainly spread through download sites, and uses a variety of different njRAT payload delivery methods.įirst, package the Trojan horse script and normal software and place them on some websites such as irregular download sites.

#NJRAT 5 DOWNLOAD SERIES#

NjRAT, also known as Bladabindi or Njw0rm, is a remote access trojan (RAT, remote access trojan), which can control the infected system and provide a series of remote control functions for remote attackers. And through the analysis of the related files of the njRAT Trojan C&C server, it can be found that the njRAT load adopts a variety of different delivery methods.

#NJRAT 5 DOWNLOAD CODE#

, Added more complicated code obfuscation and anti-analysis methods. Compared with the early infection of the njRAT Trojan’s executable program landing method, the Trojan uses scripts such as powershell to implement executable program memory execution to complete data theft and other malicious behaviors. Behaviorgraph top1 signatures2 2 Behavior Graph ID: 312465 Sample: rfq00092.exe Startdate: Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AntiVM_3 2->53 55 9 other signatures 2->55 10 rfq00092.exe 3 2->10 started 13 server.exe 2 2->13 started 15 server.exe 2 2->15 started 17 server.exe 2 2->17 started process3 file4 41 C:\Users\user\AppData\.\, ASCII 10->41 dropped 19 rfq00092.exe 3 2 10->19 started 22 server.exe 13->22 started 24 server.exe 15->24 started 26 server.exe 17->26 started process5 file6 39 C:\Users\user\AppData\Local\Temp\server.exe, PE32 19->39 dropped 28 server.exe 3 19->28 started process7 signatures8 57 Multi AV Scanner detection for dropped file 28->57 59 Machine Learning detection for dropped file 28->59 31 server.exe 4 2 28->31 started process9 dnsIp10 43 64.188.28.27, 5551 ASN-QUADRANET-GLOBALUS United States 31->43 45 Changes the view of files in windows explorer (hidden files and folders) 31->45 47 Creates autostart registry keys with suspicious names 31->47 35 netsh.exe 1 3 31->35 started signatures11 process12 process13 37 conhost.Recently, 360 Security Center has detected that a variant of the remote access tool njRAT is active.