Malware Analysis Report

2025-01-22 13:16

Sample ID 240720-hr6zks1eqq
Target 60676785893f285fca5a3dcf01eec2c0N.exe
SHA256 408fddc3984c29b164cbfde2894b25479209230707b6a66ff3d973cf9a1b050b
Tags
njrat 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

408fddc3984c29b164cbfde2894b25479209230707b6a66ff3d973cf9a1b050b

Threat Level: Known bad

The file 60676785893f285fca5a3dcf01eec2c0N.exe was found to be: Known bad.

Malicious Activity Summary

njrat evasion persistence privilege_escalation

Njrat family

Modifies Windows Firewall

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-20 06:59

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-20 06:59

Reported

2024-07-20 07:01

Platform

win7-20240705-en

Max time kernel

117s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe

"C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe" "60676785893f285fca5a3dcf01eec2c0N.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

Files

memory/1048-0-0x0000000074131000-0x0000000074132000-memory.dmp

memory/1048-1-0x0000000074130000-0x00000000746DB000-memory.dmp

memory/1048-2-0x0000000074130000-0x00000000746DB000-memory.dmp

memory/1048-4-0x0000000074130000-0x00000000746DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-20 06:59

Reported

2024-07-20 07:01

Platform

win10v2004-20240704-en

Max time kernel

119s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe

"C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\60676785893f285fca5a3dcf01eec2c0N.exe" "60676785893f285fca5a3dcf01eec2c0N.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 133.211.185.52.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
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 81.144.22.2.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
US 8.8.8.8:53 13.227.111.52.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 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
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 10.27.171.150.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

Files

memory/3176-0-0x0000000075262000-0x0000000075263000-memory.dmp

memory/3176-1-0x0000000075260000-0x0000000075811000-memory.dmp

memory/3176-2-0x0000000075260000-0x0000000075811000-memory.dmp

memory/3176-4-0x0000000075260000-0x0000000075811000-memory.dmp

memory/3176-5-0x0000000075262000-0x0000000075263000-memory.dmp

memory/3176-6-0x0000000075260000-0x0000000075811000-memory.dmp