Malware Analysis Report

2025-01-22 13:47

Sample ID 240829-fnh28svcqg
Target d166632ee3e5692d417d90f6fab91c00N.exe
SHA256 2e5d35067e6ad81d3f8dee1076f3ae7831d92752ba378f1811ef2e2fbd18dfb4
Tags
hacked 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2e5d35067e6ad81d3f8dee1076f3ae7831d92752ba378f1811ef2e2fbd18dfb4

Threat Level: Known bad

The file d166632ee3e5692d417d90f6fab91c00N.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation

Njrat family

Modifies Windows Firewall

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 05:01

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 05:01

Reported

2024-08-29 05:03

Platform

win7-20240704-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.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\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe

"C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe" "d166632ee3e5692d417d90f6fab91c00N.exe" ENABLE

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

Files

memory/2828-0-0x0000000074A31000-0x0000000074A32000-memory.dmp

memory/2828-2-0x0000000074A30000-0x0000000074FDB000-memory.dmp

memory/2828-1-0x0000000074A30000-0x0000000074FDB000-memory.dmp

memory/2828-4-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 05:01

Reported

2024-08-29 05:03

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe"

Signatures

Modifies Windows Firewall

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

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
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

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\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe

"C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\d166632ee3e5692d417d90f6fab91c00N.exe" "d166632ee3e5692d417d90f6fab91c00N.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
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
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
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
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
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
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net 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/4132-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

memory/4132-1-0x0000000074BE0000-0x0000000075191000-memory.dmp

memory/4132-2-0x0000000074BE0000-0x0000000075191000-memory.dmp

memory/4132-5-0x0000000074BE0000-0x0000000075191000-memory.dmp

memory/4132-4-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

memory/4132-6-0x0000000074BE0000-0x0000000075191000-memory.dmp