Malware Analysis Report

2025-03-15 06:21

Sample ID 240928-js4fhsvdmm
Target 6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe
SHA256 6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106
Tags
hacked njrat 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

6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106

Threat Level: Known bad

The file 6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-28 07:56

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 07:56

Reported

2024-09-28 07:59

Platform

win7-20240729-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.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\Trojan.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." C:\Users\Admin\AppData\Local\Temp\Trojan.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\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe

"C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Files

memory/2584-0-0x0000000074FC1000-0x0000000074FC2000-memory.dmp

memory/2584-1-0x0000000074FC0000-0x000000007556B000-memory.dmp

memory/2584-2-0x0000000074FC0000-0x000000007556B000-memory.dmp

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

MD5 ad8e10d9f64cf0401ddf03a4fbccf81a
SHA1 f4d93422636a55b5f733e986b91543ecf7eefd6a
SHA256 6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106
SHA512 46ef84a2ca2c1250c878d611534e3c86963fe653192144bdc65be4dc53f987d58d8608ef1703204e1fde53eebb7ba36ffbe5754da93fa7340bd0492aa6d89ec7

memory/2372-11-0x0000000074FC0000-0x000000007556B000-memory.dmp

memory/2584-10-0x0000000074FC0000-0x000000007556B000-memory.dmp

memory/2372-12-0x0000000074FC0000-0x000000007556B000-memory.dmp

memory/2372-13-0x0000000074FC0000-0x000000007556B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-28 07:56

Reported

2024-09-28 07:59

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe"

Signatures

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." C:\Users\Admin\AppData\Local\Temp\Trojan.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\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe

"C:\Users\Admin\AppData\Local\Temp\6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 50.23.12.20.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
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 8.8.8.8:53 172.214.232.199.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
US 8.8.8.8:53 43.229.111.52.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
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 8.8.8.8:53 226.162.46.104.in-addr.arpa udp

Files

memory/1696-0-0x0000000074B62000-0x0000000074B63000-memory.dmp

memory/1696-1-0x0000000074B60000-0x0000000075111000-memory.dmp

memory/1696-2-0x0000000074B60000-0x0000000075111000-memory.dmp

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

MD5 ad8e10d9f64cf0401ddf03a4fbccf81a
SHA1 f4d93422636a55b5f733e986b91543ecf7eefd6a
SHA256 6effb7ad8b4b42bc97ace9c3f1caf5089323493f535304bbcfca5819fdc30106
SHA512 46ef84a2ca2c1250c878d611534e3c86963fe653192144bdc65be4dc53f987d58d8608ef1703204e1fde53eebb7ba36ffbe5754da93fa7340bd0492aa6d89ec7

memory/1696-12-0x0000000074B60000-0x0000000075111000-memory.dmp

memory/3996-13-0x0000000074B60000-0x0000000075111000-memory.dmp

memory/3996-14-0x0000000074B60000-0x0000000075111000-memory.dmp

memory/3996-15-0x0000000074B60000-0x0000000075111000-memory.dmp