Malware Analysis Report

2025-01-22 13:50

Sample ID 240901-e3cnbssamc
Target 1e521ae4d980c1653cb41fe538632420N.exe
SHA256 27f67a98be1c8b63e9f437a9f1f71e5a5665ad7bad42458456de42747ac98cf6
Tags
discovery evasion persistence privilege_escalation 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

27f67a98be1c8b63e9f437a9f1f71e5a5665ad7bad42458456de42747ac98cf6

Threat Level: Known bad

The file 1e521ae4d980c1653cb41fe538632420N.exe was found to be: Known bad.

Malicious Activity Summary

discovery evasion persistence privilege_escalation hacked njrat

Njrat family

Modifies Windows Firewall

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 04:27

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 04:27

Reported

2024-09-01 04:29

Platform

win7-20240704-en

Max time kernel

118s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.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\1e521ae4d980c1653cb41fe538632420N.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\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe

"C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe" "1e521ae4d980c1653cb41fe538632420N.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 hostpidorasa.ddns.net udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
US 8.8.8.8:53 hostpidorasa.ddns.net udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp

Files

memory/2712-0-0x0000000073E01000-0x0000000073E02000-memory.dmp

memory/2712-1-0x0000000073E00000-0x00000000743AB000-memory.dmp

memory/2712-2-0x0000000073E00000-0x00000000743AB000-memory.dmp

memory/2712-3-0x0000000073E00000-0x00000000743AB000-memory.dmp

memory/2712-4-0x0000000073E00000-0x00000000743AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 04:27

Reported

2024-09-01 04:29

Platform

win10v2004-20240802-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.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:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe

"C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1e521ae4d980c1653cb41fe538632420N.exe" "1e521ae4d980c1653cb41fe538632420N.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 hostpidorasa.ddns.net udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 hostpidorasa.ddns.net udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
KZ 5.34.67.202:8888 hostpidorasa.ddns.net tcp

Files

memory/5044-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

memory/5044-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/5044-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/5044-4-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/5044-3-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

memory/5044-5-0x0000000074AD0000-0x0000000075081000-memory.dmp