Malware Analysis Report

2025-08-10 21:18

Sample ID 240127-qk8tlaegcj
Target Client.exe
SHA256 5ce6e15bcca3cffcb164dd551242e2bd3fb4c301885cdbef1c622e05ba850706
Tags
njrat evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5ce6e15bcca3cffcb164dd551242e2bd3fb4c301885cdbef1c622e05ba850706

Threat Level: Known bad

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

Malicious Activity Summary

njrat evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-27 13:20

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 13:20

Reported

2024-01-27 13:22

Platform

win10v2004-20231222-en

Max time kernel

119s

Max time network

120s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65aae4c0435d91f223c7162998af570d.exe C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65aae4c0435d91f223c7162998af570d.exe C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\65aae4c0435d91f223c7162998af570d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\65aae4c0435d91f223c7162998af570d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 336 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe
PID 336 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe
PID 336 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe

Processes

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 nanoudu30-29084.portmap.io udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp

Files

memory/336-0-0x0000000075230000-0x00000000757E1000-memory.dmp

memory/336-2-0x0000000000C80000-0x0000000000C90000-memory.dmp

memory/336-1-0x0000000075230000-0x00000000757E1000-memory.dmp

memory/336-6-0x0000000075230000-0x00000000757E1000-memory.dmp

memory/336-7-0x0000000075230000-0x00000000757E1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-27 13:20

Reported

2024-01-27 13:22

Platform

win7-20231215-en

Max time kernel

120s

Max time network

120s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65aae4c0435d91f223c7162998af570d.exe C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65aae4c0435d91f223c7162998af570d.exe C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\65aae4c0435d91f223c7162998af570d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\65aae4c0435d91f223c7162998af570d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .." C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2148 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe
PID 2148 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe
PID 2148 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe
PID 2148 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\SysWOW64\netsh.exe

Processes

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 nanoudu30-29084.portmap.io udp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp
DE 193.161.193.99:1333 nanoudu30-29084.portmap.io tcp

Files

memory/2148-0-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-2-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-1-0x0000000000300000-0x0000000000340000-memory.dmp

memory/2148-7-0x0000000000300000-0x0000000000340000-memory.dmp

memory/2148-6-0x00000000749F0000-0x0000000074F9B000-memory.dmp