Malware Analysis Report

2025-03-15 06:21

Sample ID 240928-jfh9tatflp
Target 6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe
SHA256 6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f
Tags
njrat hacked discovery evasion persistence privilege_escalation 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 Overview

score
10/10

SHA256

6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f

Threat Level: Known bad

The file 6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe was found to be: Known bad.

Malicious Activity Summary

njrat hacked discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Event Triggered Execution: Netsh Helper DLL

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-28 07:36

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 07:36

Reported

2024-09-28 07:39

Platform

win7-20240903-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\4d4720134fb16843a9d728aaf26ad01a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\windows.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4d4720134fb16843a9d728aaf26ad01a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\windows.exe N/A

Enumerates physical storage devices

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\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\windows.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe

"C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp

Files

memory/2516-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

memory/2516-1-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2516-2-0x00000000740C0000-0x000000007466B000-memory.dmp

\Users\Admin\AppData\Local\Temp\windows.exe

MD5 fc7c2414c1c49bd1b6ab5b9e19f4201b
SHA1 565f9d7be3da59df52c60d03e48df952fc08225d
SHA256 6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f
SHA512 2eb3160c4c56aa9279b08fe2f8c03aeaf48944b1be4e5f07544918fd52abebaddf37038603fba144e84fd243761430b8bc8ec0ae8b1c15c5d8d1fc1f0a03a537

memory/2516-10-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2220-11-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2220-12-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2220-13-0x00000000740C0000-0x000000007466B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-28 07:36

Reported

2024-09-28 07:39

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4d4720134fb16843a9d728aaf26ad01a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\windows.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4d4720134fb16843a9d728aaf26ad01a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\windows.exe N/A

Enumerates physical storage devices

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\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\windows.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe

"C:\Users\Admin\AppData\Local\Temp\6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:2020 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
N/A 127.0.0.1:2020 tcp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/748-0-0x0000000074B02000-0x0000000074B03000-memory.dmp

memory/748-1-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/748-2-0x0000000074B00000-0x00000000750B1000-memory.dmp

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

MD5 fc7c2414c1c49bd1b6ab5b9e19f4201b
SHA1 565f9d7be3da59df52c60d03e48df952fc08225d
SHA256 6f6a97800bd9fb1ba19cbc7538f8c67a95260d7b4dceb2edf18e2c5795b9cf5f
SHA512 2eb3160c4c56aa9279b08fe2f8c03aeaf48944b1be4e5f07544918fd52abebaddf37038603fba144e84fd243761430b8bc8ec0ae8b1c15c5d8d1fc1f0a03a537

memory/1352-12-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/1352-14-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/748-13-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/1352-15-0x0000000074B00000-0x00000000750B1000-memory.dmp