Malware Analysis Report

2025-01-22 14:05

Sample ID 240227-lp3e6ade84
Target a8d62a69ba433b8122c070da9010d4a2
SHA256 364efa474c8f3973072c2fa86c8ebe4752cacae6c20e1204d10bcb5a1e3497d1
Tags
upx 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

364efa474c8f3973072c2fa86c8ebe4752cacae6c20e1204d10bcb5a1e3497d1

Threat Level: Known bad

The file a8d62a69ba433b8122c070da9010d4a2 was found to be: Known bad.

Malicious Activity Summary

upx njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

UPX packed file

Drops startup file

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-27 09:43

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-27 09:43

Reported

2024-02-27 09:45

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe"

Signatures

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe

"C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe"

Network

N/A

Files

memory/2648-0-0x0000000000400000-0x0000000000498000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-27 09:43

Reported

2024-02-27 09:45

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\test.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed6e2bf930f6d35b3ac57c049d10ac2c.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\ed6e2bf930f6d35b3ac57c049d10ac2c.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\test.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Explorer.exe N/A

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"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\ed6e2bf930f6d35b3ac57c049d10ac2c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .." C:\Users\Admin\AppData\Local\Temp\Explorer.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3924 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe C:\Windows\SysWOW64\cmd.exe
PID 3924 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe C:\Windows\SysWOW64\cmd.exe
PID 3924 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe C:\Windows\SysWOW64\cmd.exe
PID 760 wrote to memory of 2268 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 760 wrote to memory of 2268 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 760 wrote to memory of 2268 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2268 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\Explorer.exe
PID 2268 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\Explorer.exe
PID 2268 wrote to memory of 872 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\Explorer.exe
PID 872 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\Explorer.exe C:\Windows\SysWOW64\netsh.exe
PID 872 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\Explorer.exe C:\Windows\SysWOW64\netsh.exe
PID 872 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\Explorer.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe

"C:\Users\Admin\AppData\Local\Temp\a8d62a69ba433b8122c070da9010d4a2.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c test.exe

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

test.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp
US 8.8.8.8:53 abdo95.ddns.net udp

Files

memory/3924-0-0x0000000000400000-0x0000000000498000-memory.dmp

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

MD5 fc42513e45503d510fb011bbb309e51e
SHA1 e9741466f6e68dadb9e874f12d5b62fe14693741
SHA256 766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3
SHA512 0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca

memory/2268-5-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/2268-6-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/2268-8-0x0000000000680000-0x0000000000690000-memory.dmp

memory/872-17-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/2268-19-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/3924-21-0x0000000000400000-0x0000000000498000-memory.dmp

memory/872-22-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/872-18-0x0000000000D60000-0x0000000000D70000-memory.dmp

memory/872-23-0x0000000000D60000-0x0000000000D70000-memory.dmp

memory/872-24-0x0000000075440000-0x00000000759F1000-memory.dmp

memory/872-25-0x0000000000D60000-0x0000000000D70000-memory.dmp

memory/872-26-0x0000000000D60000-0x0000000000D70000-memory.dmp