Malware Analysis Report

2025-03-15 06:26

Sample ID 240121-n9masacdfn
Target 0x000e0000000122db-8.dat
SHA256 f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844
Tags
hacked njrat evasion
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 0x000e0000000122db-8.dat was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion

Njrat family

Modifies Windows Firewall

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 12:05

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 12:05

Reported

2024-01-21 12:08

Platform

win7-20231215-en

Max time kernel

147s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-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\0x000e0000000122db-8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe

"C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe" "0x000e0000000122db-8.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.tcp.eu.ngrok.io udp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp

Files

memory/2188-0-0x0000000074A50000-0x0000000074FFB000-memory.dmp

memory/2188-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp

memory/2188-2-0x0000000000920000-0x0000000000960000-memory.dmp

memory/2188-4-0x0000000074A50000-0x0000000074FFB000-memory.dmp

memory/2188-5-0x0000000074A50000-0x0000000074FFB000-memory.dmp

memory/2188-6-0x0000000000920000-0x0000000000960000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 12:05

Reported

2024-01-21 12:08

Platform

win10v2004-20231222-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-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\0x000e0000000122db-8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe

"C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000e0000000122db-8.exe" "0x000e0000000122db-8.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.113.22.20.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
DE 18.197.239.5:13957 2.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.16.110.114:80 tcp
GB 96.17.178.176:80 tcp
US 138.91.171.81:80 tcp
GB 96.17.178.176:80 tcp

Files

memory/1400-0-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1400-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1400-2-0x0000000001640000-0x0000000001650000-memory.dmp

memory/1400-4-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1400-5-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/1400-6-0x0000000001640000-0x0000000001650000-memory.dmp