Malware Analysis Report

2025-03-15 06:21

Sample ID 241001-rwzwhaycjc
Target caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe
SHA256 caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8
Tags
hacked njrat discovery evasion persistence privilege_escalation
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

caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8

Threat Level: Known bad

The file caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation

Njrat family

Modifies Windows Firewall

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-01 14:33

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-01 14:33

Reported

2024-10-01 14:35

Platform

win7-20240903-en

Max time kernel

149s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

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\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.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\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe

"C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe" "caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe" ENABLE

Network

Country Destination Domain Proto
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp

Files

memory/984-0-0x0000000074851000-0x0000000074852000-memory.dmp

memory/984-1-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-2-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-3-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-4-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-5-0x0000000074850000-0x0000000074DFB000-memory.dmp

memory/984-6-0x0000000074850000-0x0000000074DFB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-01 14:33

Reported

2024-10-01 14:35

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe"

Signatures

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

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\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.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\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe

"C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe" "caaa5263db4330c246e82a67c5f0773c32478390644121a4555c90476bb526b8.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
N/A 192.168.1.11:1337 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
N/A 192.168.1.11:1337 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
N/A 192.168.1.11:1337 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp
N/A 192.168.1.11:1337 tcp

Files

memory/1196-0-0x0000000074F62000-0x0000000074F63000-memory.dmp

memory/1196-1-0x0000000074F60000-0x0000000075511000-memory.dmp

memory/1196-2-0x0000000074F60000-0x0000000075511000-memory.dmp

memory/1196-3-0x0000000074F62000-0x0000000074F63000-memory.dmp

memory/1196-4-0x0000000074F60000-0x0000000075511000-memory.dmp

memory/1196-5-0x0000000074F60000-0x0000000075511000-memory.dmp