Malware Analysis Report

2025-03-15 06:21

Sample ID 241004-kw5neszapc
Target 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N
SHA256 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67
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

1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67

Threat Level: Known bad

The file 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N was found to be: Known bad.

Malicious Activity Summary

njrat hacked discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-04 08:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-04 08:58

Reported

2024-10-04 09:00

Platform

win7-20240903-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.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\server.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.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\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\server.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\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe

"C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/2756-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

memory/2756-1-0x0000000000990000-0x00000000009AC000-memory.dmp

memory/2756-2-0x0000000074AE0000-0x00000000751CE000-memory.dmp

memory/2756-3-0x00000000005F0000-0x00000000005FC000-memory.dmp

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

MD5 c7351f9cd4c20dbef223c537760a6290
SHA1 cc4c4dde4c4eb43357f2e5cd47c357b02ab948be
SHA256 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67
SHA512 6cd4cc38b2f99cf2342a9c2305f7e06b5c0f49c81ff90863df68c7ad6a1a85ece1116acf120cf908eadc5026da684f0a363eaa7f472fd2545249467aaf63de57

memory/1988-12-0x0000000074AE0000-0x00000000751CE000-memory.dmp

memory/1988-11-0x00000000000A0000-0x00000000000BC000-memory.dmp

memory/1988-13-0x0000000074AE0000-0x00000000751CE000-memory.dmp

memory/2756-14-0x0000000074AE0000-0x00000000751CE000-memory.dmp

memory/1988-15-0x0000000074AE0000-0x00000000751CE000-memory.dmp

memory/1988-16-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-04 08:58

Reported

2024-10-04 09:00

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." C:\Users\Admin\AppData\Local\Temp\server.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\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\server.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\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe

"C:\Users\Admin\AppData\Local\Temp\1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67N.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/1248-0-0x000000007477E000-0x000000007477F000-memory.dmp

memory/1248-1-0x0000000000260000-0x000000000027C000-memory.dmp

memory/1248-2-0x0000000004C00000-0x0000000004C9C000-memory.dmp

memory/1248-3-0x00000000052B0000-0x0000000005854000-memory.dmp

memory/1248-4-0x0000000004DA0000-0x0000000004E32000-memory.dmp

memory/1248-5-0x0000000004D10000-0x0000000004D1A000-memory.dmp

memory/1248-6-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/1248-7-0x0000000004F90000-0x0000000004FE6000-memory.dmp

memory/1248-8-0x0000000004F70000-0x0000000004F7C000-memory.dmp

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

MD5 c7351f9cd4c20dbef223c537760a6290
SHA1 cc4c4dde4c4eb43357f2e5cd47c357b02ab948be
SHA256 1113b1b6191d4d358d9d09c960a3d03b79011f633f2a45d7bce2fcaedee41f67
SHA512 6cd4cc38b2f99cf2342a9c2305f7e06b5c0f49c81ff90863df68c7ad6a1a85ece1116acf120cf908eadc5026da684f0a363eaa7f472fd2545249467aaf63de57

memory/2864-21-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/1248-22-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/2864-23-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/2864-24-0x0000000074770000-0x0000000074F20000-memory.dmp

memory/2864-25-0x0000000074770000-0x0000000074F20000-memory.dmp