Malware Analysis Report

2025-01-22 13:49

Sample ID 240906-sa1fkstanf
Target 0647d85ad26dd42f69aeae272251355a.exe
SHA256 620a8ee5833bd9bea724d6a41d67c1d8b580e8ef3c3a86fe77adcd9a871424b2
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

620a8ee5833bd9bea724d6a41d67c1d8b580e8ef3c3a86fe77adcd9a871424b2

Threat Level: Known bad

The file 0647d85ad26dd42f69aeae272251355a.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation

Njrat family

Modifies Windows Firewall

Legitimate hosting services abused for malware hosting/C2

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 14:56

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 14:56

Reported

2024-09-06 14:58

Platform

win7-20240729-en

Max time kernel

149s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe"

Signatures

Modifies Windows Firewall

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A 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\0647d85ad26dd42f69aeae272251355a.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\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe

"C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe" "0647d85ad26dd42f69aeae272251355a.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 3.125.102.39:13886 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 18.158.249.75:13886 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 3.125.223.134:13886 0.tcp.eu.ngrok.io tcp

Files

memory/2668-0-0x0000000074081000-0x0000000074082000-memory.dmp

memory/2668-1-0x0000000074080000-0x000000007462B000-memory.dmp

memory/2668-2-0x0000000074080000-0x000000007462B000-memory.dmp

memory/2668-3-0x0000000074080000-0x000000007462B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 14:56

Reported

2024-09-06 14:58

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe"

Signatures

Modifies Windows Firewall

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A 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\0647d85ad26dd42f69aeae272251355a.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\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe

"C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0647d85ad26dd42f69aeae272251355a.exe" "0647d85ad26dd42f69aeae272251355a.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 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 18.192.31.165:13886 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 165.31.192.18.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 52.111.227.14:443 tcp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 18.192.31.165:13886 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 18.158.249.75:13886 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 75.249.158.18.in-addr.arpa udp

Files

memory/1168-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

memory/1168-1-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1168-2-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1168-3-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

memory/1168-4-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1168-5-0x0000000074CA0000-0x0000000075251000-memory.dmp