Malware Analysis Report

2025-03-15 06:22

Sample ID 241006-m5ybtazhpk
Target aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe
SHA256 aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43
Tags
hacked njrat discovery evasion persistence privilege_escalation 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

aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43

Threat Level: Known bad

The file aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Drops startup file

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-06 11:03

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-06 11:03

Reported

2024-10-06 11:06

Platform

win7-20240903-en

Max time kernel

150s

Max time network

22s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fecbd0a484c99b705cf7099e6ce11887.exe C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fecbd0a484c99b705cf7099e6ce11887.exe C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\fecbd0a484c99b705cf7099e6ce11887 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fecbd0a484c99b705cf7099e6ce11887 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Enumerates physical storage devices

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\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\explorer.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\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe

"C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 jhonjhon4842.ddns.net udp

Files

memory/320-0-0x0000000074441000-0x0000000074442000-memory.dmp

memory/320-1-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/320-2-0x0000000074440000-0x00000000749EB000-memory.dmp

\Users\Admin\AppData\Local\Temp\explorer.exe

MD5 48ead5dfb2672dc762864453c33bf1dc
SHA1 a9d637fb253bce420226b114c998983976ab9ccc
SHA256 aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43
SHA512 e861f6101df9b7679e212f4b943081ad4e6eee3479a9b6e604de568d88191589c0bc8532b62b1ec4ec1cd2a659bebf5914594fc2f2e9c13e0a0c0c627898ecbf

memory/320-10-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/2300-11-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/2300-12-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/2300-14-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/2300-15-0x0000000074440000-0x00000000749EB000-memory.dmp

memory/2300-16-0x0000000074440000-0x00000000749EB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-06 11:03

Reported

2024-10-06 11:06

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fecbd0a484c99b705cf7099e6ce11887.exe C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fecbd0a484c99b705cf7099e6ce11887.exe C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fecbd0a484c99b705cf7099e6ce11887 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fecbd0a484c99b705cf7099e6ce11887 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .." C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Enumerates physical storage devices

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\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\explorer.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\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe

"C:\Users\Admin\AppData\Local\Temp\aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp
US 8.8.8.8:53 jhonjhon4842.ddns.net udp

Files

memory/4588-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

memory/4588-1-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/4588-2-0x0000000074B90000-0x0000000075141000-memory.dmp

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

MD5 48ead5dfb2672dc762864453c33bf1dc
SHA1 a9d637fb253bce420226b114c998983976ab9ccc
SHA256 aece2185bb51693d72cdfd7bc57474dcc659b72bf6a343320783c4c039598b43
SHA512 e861f6101df9b7679e212f4b943081ad4e6eee3479a9b6e604de568d88191589c0bc8532b62b1ec4ec1cd2a659bebf5914594fc2f2e9c13e0a0c0c627898ecbf

memory/4588-12-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/3752-13-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/3752-14-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/3752-15-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/3752-17-0x0000000074B90000-0x0000000075141000-memory.dmp