Malware Analysis Report

2025-03-15 06:06

Sample ID 240727-xn5pnstcpl
Target CheatS.exe
SHA256 8e6112257bd282d06466710f93a77f1e2f1080324d41f05cb69c9599afee4407
Tags
чучундра njrat discovery evasion persistence privilege_escalation
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 Overview

score
10/10

SHA256

8e6112257bd282d06466710f93a77f1e2f1080324d41f05cb69c9599afee4407

Threat Level: Known bad

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

Malicious Activity Summary

чучундра njrat discovery evasion persistence privilege_escalation

Njrat family

Modifies Windows Firewall

Drops file in Windows directory

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-27 19:00

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-27 19:00

Reported

2024-07-27 20:16

Platform

win7-20240705-en

Max time kernel

145s

Max time network

125s

Command Line

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

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Windows\system32\mspaint.exe N/A

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Windows\system32\mspaint.exe N/A
N/A N/A C:\Windows\system32\mspaint.exe N/A
N/A N/A C:\Windows\system32\mspaint.exe N/A
N/A N/A C:\Windows\system32\mspaint.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3008 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe C:\Windows\SysWOW64\netsh.exe
PID 3008 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe C:\Windows\SysWOW64\netsh.exe
PID 3008 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe C:\Windows\SysWOW64\netsh.exe
PID 3008 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\CheatS.exe C:\Windows\SysWOW64\netsh.exe

Processes

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\CheatS.exe" "CheatS.exe" ENABLE

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\RestartClose.mp3"

C:\Windows\system32\mspaint.exe

"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\PopRename.wmf"

Network

Country Destination Domain Proto
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp

Files

memory/3008-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

memory/3008-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/3008-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/3008-4-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/3008-5-0x0000000074CC0000-0x000000007526B000-memory.dmp

memory/2740-13-0x000000013FBA0000-0x000000013FC98000-memory.dmp

memory/2740-14-0x000007FEFADE0000-0x000007FEFAE14000-memory.dmp

memory/2740-15-0x000007FEF8000000-0x000007FEF82B6000-memory.dmp

memory/2740-21-0x000007FEF7FE0000-0x000007FEF7FF8000-memory.dmp

memory/2740-22-0x000007FEF7AA0000-0x000007FEF7AB7000-memory.dmp

memory/2740-25-0x000007FEF7040000-0x000007FEF7051000-memory.dmp

memory/2740-33-0x000007FEF8000000-0x000007FEF82B6000-memory.dmp

memory/2740-32-0x000007FEFADE0000-0x000007FEFAE14000-memory.dmp

memory/2740-31-0x000000013FBA0000-0x000000013FC98000-memory.dmp

memory/2740-34-0x000007FEF54D0000-0x000007FEF6580000-memory.dmp

memory/2808-35-0x000007FEF7080000-0x000007FEF70CC000-memory.dmp

memory/2808-36-0x000007FEF7080000-0x000007FEF70CC000-memory.dmp