Malware Analysis Report

2025-01-22 14:07

Sample ID 240305-pngc3sef41
Target b4b1830287699c908abf8ea8a89d967e
SHA256 93776ecc43bb7bac36027fbe995014d5fb0aaf8f356f35e4c1630b5cda6c034a
Tags
njrat hacked evasion persistence trojan
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

93776ecc43bb7bac36027fbe995014d5fb0aaf8f356f35e4c1630b5cda6c034a

Threat Level: Known bad

The file b4b1830287699c908abf8ea8a89d967e was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Adds Run key to start application

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-05 12:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 12:28

Reported

2024-03-05 12:30

Platform

win7-20240221-en

Max time kernel

151s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\d7f7bdbf969509ab41b52fa587e69da0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b4b1830287699c908abf8ea8a89d967e.exe\" .." C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d7f7bdbf969509ab41b52fa587e69da0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b4b1830287699c908abf8ea8a89d967e.exe\" .." C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe

"C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe" "b4b1830287699c908abf8ea8a89d967e.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 mz911.ddns.net udp

Files

memory/2852-0-0x0000000000DE0000-0x0000000000E10000-memory.dmp

memory/2852-1-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/2852-2-0x00000000002F0000-0x0000000000300000-memory.dmp

memory/2852-3-0x0000000005010000-0x0000000005050000-memory.dmp

memory/2852-4-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 12:28

Reported

2024-03-05 12:30

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d7f7bdbf969509ab41b52fa587e69da0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b4b1830287699c908abf8ea8a89d967e.exe\" .." C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d7f7bdbf969509ab41b52fa587e69da0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b4b1830287699c908abf8ea8a89d967e.exe\" .." C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe

"C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b4b1830287699c908abf8ea8a89d967e.exe" "b4b1830287699c908abf8ea8a89d967e.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net 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 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
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp
US 8.8.8.8:53 mz911.ddns.net udp

Files

memory/4648-0-0x00000000001A0000-0x00000000001D0000-memory.dmp

memory/4648-1-0x0000000074D60000-0x0000000075510000-memory.dmp

memory/4648-2-0x0000000004AA0000-0x0000000004B3C000-memory.dmp

memory/4648-3-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

memory/4648-4-0x00000000050F0000-0x0000000005694000-memory.dmp

memory/4648-5-0x0000000004C70000-0x0000000004D02000-memory.dmp

memory/4648-6-0x0000000004A40000-0x0000000004A50000-memory.dmp

memory/4648-7-0x0000000004C50000-0x0000000004C5A000-memory.dmp

memory/4648-8-0x0000000074D60000-0x0000000075510000-memory.dmp

memory/4648-9-0x0000000004A40000-0x0000000004A50000-memory.dmp