Malware Analysis Report

2024-11-16 12:45

Sample ID 240302-znvwkshg76
Target Chernobyl.exe
SHA256 2b6266f14d2ed46e921168fd2b4a5510f40c69cd591800d17ae8ca31fcde28c6
Tags
discovery evasion exploit persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2b6266f14d2ed46e921168fd2b4a5510f40c69cd591800d17ae8ca31fcde28c6

Threat Level: Known bad

The file Chernobyl.exe was found to be: Known bad.

Malicious Activity Summary

discovery evasion exploit persistence trojan

Modifies WinLogon for persistence

UAC bypass

Disables Task Manager via registry modification

Possible privilege escalation attempt

Disables RegEdit via registry modification

Checks computer location settings

Modifies file permissions

Checks whether UAC is enabled

Modifies WinLogon

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

System policy modification

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-02 20:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-02 20:52

Reported

2024-03-02 21:22

Platform

win7-20240221-en

Max time kernel

53s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, cluttscape.exe" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables Task Manager via registry modification

evasion

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\kill.ico C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
File opened for modification C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Unknown\DefaultIcon\ = "C:\\Windows\\SysWow64\\kill.ico" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2176 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1788 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2176 wrote to memory of 1068 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1068 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1068 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1068 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2176 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1700 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1068 wrote to memory of 2172 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2220 wrote to memory of 1844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2176 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\smss.exe && icacls C:\Windows\System32\smss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\csrss.exe && icacls C:\Windows\System32\csrss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\smss.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\wininit.exe && icacls C:\Windows\System32\wininit.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\csrss.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\LogonUI.exe && icacls C:\Windows\System32\LogonUI.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\lsass.exe && icacls C:\Windows\System32\lsass.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\wininit.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\services.exe && icacls C:\Windows\System32\services.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\LogonUI.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\lsass.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.efi && icacls C:\Windows\System32\winload.efi /grant "%username%:F" && exit

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\wininit.exe /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\services.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winlogon.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.exe && icacls C:\Windows\System32\winload.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.efi

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\ntoskrnl.exe && icacls C:\Windows\System32\ntoskrnl.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\svchost.exe && icacls C:\Windows\System32\svchost.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\ntoskrnl.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gm.dls && icacls C:\Windows\System32\drivers\gm.dls /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\svchost.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gmreadme.txt && icacls C:\Windows\System32\drivers\gmreadme.txt /grant "%username%:F" && exit

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\ntoskrnl.exe /grant "Admin:F"

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\svchost.exe /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gm.dls

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\wimmount.sys && icacls C:\Windows\System32\drivers\wimmount.sys /grant "%username%:F" && exit

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gm.dls /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gmreadme.txt

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gmreadme.txt /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\wimmount.sys

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\wimmount.sys /grant "Admin:F"

Network

N/A

Files

memory/2176-0-0x0000000001000000-0x000000000105C000-memory.dmp

memory/2176-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2176-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

C:\Users\Admin\Desktop\œ♫¼7♦×õ◙čε8ä▐♫╩µÿσε×4Æ«×≈▌œ☻řŸž¶ø¢¥½▀µ▄œ™◙—¶3╧6é73×☻◘♀♣▄ěε¼é○£×Ƽ↑9▼╧ñ≈╤²č×3ǽí7╔ä½øæ▬▀¬4õř↕íń╚╚řä5♪

MD5 9e1e5883c74742a497cf5c272ccd2321
SHA1 2cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256 ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512 f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b

memory/2176-307-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2176-308-0x0000000004A20000-0x0000000004A60000-memory.dmp

memory/2176-309-0x0000000004A20000-0x0000000004A60000-memory.dmp

memory/2176-310-0x0000000004A20000-0x0000000004A60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-02 20:52

Reported

2024-03-02 21:22

Platform

win10v2004-20240226-en

Max time kernel

84s

Max time network

72s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, cluttscape.exe" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables Task Manager via registry modification

evasion

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\kill.ico C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
File opened for modification C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Unknown\DefaultIcon\ = "C:\\Windows\\SysWow64\\kill.ico" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4784 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 436 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 436 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 436 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 436 wrote to memory of 2840 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 3908 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 3908 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 3908 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 5104 wrote to memory of 3420 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 5104 wrote to memory of 3420 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 5104 wrote to memory of 3420 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4384 wrote to memory of 1280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4384 wrote to memory of 1280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4384 wrote to memory of 1280 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 1720 wrote to memory of 4492 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1720 wrote to memory of 4492 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1720 wrote to memory of 4492 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4784 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 5076 wrote to memory of 3108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 5076 wrote to memory of 3108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 5076 wrote to memory of 3108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2848 wrote to memory of 232 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2848 wrote to memory of 232 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2848 wrote to memory of 232 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4216 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4216 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4216 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3344 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3344 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3344 wrote to memory of 2196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 816 wrote to memory of 4108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\smss.exe && icacls C:\Windows\System32\smss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\csrss.exe && icacls C:\Windows\System32\csrss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\wininit.exe && icacls C:\Windows\System32\wininit.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\LogonUI.exe && icacls C:\Windows\System32\LogonUI.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\lsass.exe && icacls C:\Windows\System32\lsass.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\smss.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\lsass.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\LogonUI.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\wininit.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\services.exe && icacls C:\Windows\System32\services.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\csrss.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.efi && icacls C:\Windows\System32\winload.efi /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.exe && icacls C:\Windows\System32\winload.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\services.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\ntoskrnl.exe && icacls C:\Windows\System32\ntoskrnl.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\svchost.exe && icacls C:\Windows\System32\svchost.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winlogon.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\afunix.sys && icacls C:\Windows\System32\drivers\afunix.sys /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.efi

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gm.dls && icacls C:\Windows\System32\drivers\gm.dls /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gmreadme.txt && icacls C:\Windows\System32\drivers\gmreadme.txt /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\ntoskrnl.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\svchost.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\afunix.sys

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gm.dls

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\svchost.exe /grant "Admin:F"

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gm.dls /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gmreadme.txt

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\afunix.sys /grant "Admin:F"

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gmreadme.txt /grant "Admin:F"

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4784-0-0x0000000000010000-0x000000000006C000-memory.dmp

memory/4784-1-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/4784-2-0x00000000049E0000-0x0000000004A72000-memory.dmp

memory/4784-3-0x0000000005030000-0x00000000055D4000-memory.dmp

memory/4784-4-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

C:\Users\Admin\Desktop\č®↑∩√6◄¶◘♣£☼♠▼5Çœ¼5☻ń²▬ř2ï☻8ï4►č►äε2¶πß▐öσ♂♪í¾╤▄7ó▀♫▌3█ÿń◘35╬6√Ƕ╩π█╧♀½¤σń√×≈►∩▄▄ř◙∩¼◙╚Ÿ╥6█▐↑ž3æ♀šφ▐

MD5 9e1e5883c74742a497cf5c272ccd2321
SHA1 2cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256 ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512 f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b

memory/4784-309-0x0000000005CF0000-0x0000000005CFA000-memory.dmp

memory/4784-310-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/4784-311-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-02 20:52

Reported

2024-03-02 21:22

Platform

win11-20240221-en

Max time kernel

56s

Max time network

15s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, cluttscape.exe" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Disables Task Manager via registry modification

evasion

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\kill.ico C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
File opened for modification C:\Windows\cluttscape.exe C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Unknown\DefaultIcon\ = "C:\\Windows\\SysWow64\\kill.ico" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4944 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 3472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1708 wrote to memory of 3472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1708 wrote to memory of 3472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4944 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3736 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4500 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4500 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4500 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4256 wrote to memory of 3332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4256 wrote to memory of 3332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4256 wrote to memory of 3332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4944 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe C:\Windows\SysWOW64\cmd.exe
PID 4592 wrote to memory of 4296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4592 wrote to memory of 4296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4592 wrote to memory of 4296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2648 wrote to memory of 4320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2648 wrote to memory of 4320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2648 wrote to memory of 4320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3844 wrote to memory of 3500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3844 wrote to memory of 3500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3844 wrote to memory of 3500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4956 wrote to memory of 1768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4956 wrote to memory of 1768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 4956 wrote to memory of 1768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3736 wrote to memory of 4020 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3736 wrote to memory of 4020 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 3736 wrote to memory of 4020 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 1184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 1184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 1184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2664 wrote to memory of 3668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2664 wrote to memory of 3668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 2664 wrote to memory of 3668 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe
PID 1756 wrote to memory of 4364 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\rundll32.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe

"C:\Users\Admin\AppData\Local\Temp\Chernobyl.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k start RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters && exit

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\rundll32.exe

RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\smss.exe && icacls C:\Windows\System32\smss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\csrss.exe && icacls C:\Windows\System32\csrss.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\wininit.exe && icacls C:\Windows\System32\wininit.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\LogonUI.exe && icacls C:\Windows\System32\LogonUI.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\lsass.exe && icacls C:\Windows\System32\lsass.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\services.exe && icacls C:\Windows\System32\services.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\csrss.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\smss.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\wininit.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.efi && icacls C:\Windows\System32\winload.efi /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winload.exe && icacls C:\Windows\System32\winload.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\LogonUI.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\ntoskrnl.exe && icacls C:\Windows\System32\ntoskrnl.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\services.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\svchost.exe && icacls C:\Windows\System32\svchost.exe /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\lsass.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winlogon.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\afunix.sys && icacls C:\Windows\System32\drivers\afunix.sys /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gm.dls && icacls C:\Windows\System32\drivers\gm.dls /grant "%username%:F" && exit

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\drivers\gmreadme.txt && icacls C:\Windows\System32\drivers\gmreadme.txt /grant "%username%:F" && exit

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\svchost.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\winload.efi

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\ntoskrnl.exe

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gmreadme.txt

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\svchost.exe /grant "Admin:F"

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\afunix.sys

C:\Windows\SysWOW64\takeown.exe

takeown /f C:\Windows\System32\drivers\gm.dls

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gmreadme.txt /grant "Admin:F"

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\gm.dls /grant "Admin:F"

C:\Windows\SysWOW64\icacls.exe

icacls C:\Windows\System32\drivers\afunix.sys /grant "Admin:F"

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4944-0-0x0000000000270000-0x00000000002CC000-memory.dmp

memory/4944-1-0x0000000074700000-0x0000000074EB1000-memory.dmp

memory/4944-2-0x0000000004D40000-0x0000000004DD2000-memory.dmp

memory/4944-3-0x0000000005390000-0x0000000005936000-memory.dmp

memory/4944-4-0x0000000004E50000-0x0000000004E60000-memory.dmp

C:\Users\Admin\Desktop\∞∩—╠õŸ±•ßó¥╧╬—₧í7↕£♣¶¥◙☼í•◙╚éě♣•¢Â╤╥™ž¶8ž▄7♪♂☼↑Ÿ•—¥ńě☺↑í²—☺¼9▬∞╠♣1ßåœ╠íï—◄π▼☺∩∩éå╥♠í«8₧9▲♥1◙▬4—☺²♥▄8

MD5 9e1e5883c74742a497cf5c272ccd2321
SHA1 2cf33e34d08b8e17743a60352baffef4b6f02dee
SHA256 ca687b6a7c3d29b566f3e1988b9f877b51d9a83ee25ffe0755a8dcd3eb5f434a
SHA512 f2284f0c624cc07a65c16f87865bb98aaa176b1d8b45cd4fbcc1143c9c2297fe6b1d4db55ef054be2bc151c8cc25ff4da7c997b7d38dae3dccd2ffe1c3c01a6b

memory/4944-309-0x0000000005070000-0x000000000507A000-memory.dmp

memory/4944-310-0x0000000074700000-0x0000000074EB1000-memory.dmp

memory/4944-311-0x0000000004E50000-0x0000000004E60000-memory.dmp