Malware Analysis Report

2025-03-15 06:27

Sample ID 240121-n83alschc7
Target 0x000b00000001224f-8.dat
SHA256 f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844
Tags
evasion hacked njrat
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

f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844

Threat Level: Known bad

The file 0x000b00000001224f-8.dat was found to be: Known bad.

Malicious Activity Summary

evasion hacked njrat

Njrat family

Modifies Windows Firewall

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 12:04

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-21 12:04

Reported

2024-01-21 12:07

Platform

win7-20231129-en

Max time kernel

144s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe

"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe" "0x000b00000001224f-8.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.156.13.209:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 3.126.37.18:13957 2.tcp.eu.ngrok.io tcp

Files

memory/2148-0-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-2-0x0000000000BD0000-0x0000000000C10000-memory.dmp

memory/2148-4-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-5-0x00000000749F0000-0x0000000074F9B000-memory.dmp

memory/2148-6-0x0000000000BD0000-0x0000000000C10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 12:04

Reported

2024-01-21 12:07

Platform

win10v2004-20231215-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe

"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe" "0x000b00000001224f-8.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.156.13.209:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 209.13.156.18.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 5.239.197.18.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/4240-0-0x0000000075190000-0x0000000075741000-memory.dmp

memory/4240-1-0x0000000000E80000-0x0000000000E90000-memory.dmp

memory/4240-2-0x0000000075190000-0x0000000075741000-memory.dmp

memory/4240-4-0x0000000075190000-0x0000000075741000-memory.dmp