Malware Analysis Report

2025-03-15 06:22

Sample ID 241003-jap56s1gpq
Target Server.exe
SHA256 fb481c100a8acd081248001c1490dcbb929100cba3c8a5de5589dcfbdf911ed4
Tags
hacked njrat discovery evasion persistence privilege_escalation ransomware
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 Overview

score
10/10

SHA256

fb481c100a8acd081248001c1490dcbb929100cba3c8a5de5589dcfbdf911ed4

Threat Level: Known bad

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

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation ransomware

Njrat family

Modifies Windows Firewall

Checks computer location settings

Sets desktop wallpaper using registry

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 07:28

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 07:28

Reported

2024-10-03 07:58

Platform

win10v2004-20240802-en

Max time kernel

1795s

Max time network

1787s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Server.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\photo_2024-04-02_19-14-53.jpg" C:\Users\Admin\AppData\Local\Temp\Server.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lol.png" 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 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
Key opened \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:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WScript.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\Server.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of FindShellTrayWindow

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

Processes

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

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tempxxSD.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 23.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 8.8.8.8:53 florida-institutions.gl.at.ply.gg udp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp
US 147.185.221.23:1213 florida-institutions.gl.at.ply.gg tcp

Files

memory/1784-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

memory/1784-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-5-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-4-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

memory/1784-6-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-7-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-8-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-9-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-10-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-11-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/1784-12-0x0000000074CF0000-0x00000000752A1000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tempxxSD.vbs

MD5 53b9f8d6b89885849f2082ed155df5b0
SHA1 9698bf6232b9b0e9e9bd1a5c22a2e31cf1a7641e
SHA256 c8852b43797378fb4f911c2e010882f1665bbcaf037ba800d1d6de3329937488
SHA512 dd25d925585da29304f3b0ba6eb92463b9f25507ea3b0e306c891e441805210d9f02b451835f46d4d01ee0803f489bfbf5f0056fb47830f839d123be3cbf252f