Malware Analysis Report

2025-01-22 13:51

Sample ID 240823-jptf5svdpk
Target 40ddc2dfac27ba24503b1b3e70539dce.exe
SHA256 0b4d8a626297140778de69d812c0e5024a948decd5e35cc5c101e485c2002cf7
Tags
hacked njrat discovery persistence
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

0b4d8a626297140778de69d812c0e5024a948decd5e35cc5c101e485c2002cf7

Threat Level: Known bad

The file 40ddc2dfac27ba24503b1b3e70539dce.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery persistence

Njrat family

Drops startup file

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-23 07:51

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-23 07:51

Reported

2024-08-23 07:53

Platform

win7-20240704-en

Max time kernel

150s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe

"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 members-flower.gl.at.ply.gg udp
US 147.185.221.22:10825 members-flower.gl.at.ply.gg tcp

Files

memory/2292-0-0x0000000074811000-0x0000000074812000-memory.dmp

memory/2292-1-0x0000000074810000-0x0000000074DBB000-memory.dmp

memory/2292-2-0x0000000074810000-0x0000000074DBB000-memory.dmp

memory/2292-4-0x0000000074810000-0x0000000074DBB000-memory.dmp

memory/2292-5-0x0000000074810000-0x0000000074DBB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 07:51

Reported

2024-08-23 07:53

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe

"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 members-flower.gl.at.ply.gg udp
US 147.185.221.22:10825 members-flower.gl.at.ply.gg tcp
US 8.8.8.8:53 22.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4052-0-0x0000000074732000-0x0000000074733000-memory.dmp

memory/4052-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/4052-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/4052-5-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/4052-4-0x0000000074732000-0x0000000074733000-memory.dmp

memory/4052-6-0x0000000074730000-0x0000000074CE1000-memory.dmp