Malware Analysis Report

2025-06-16 06:53

Sample ID 241104-c6xfsszrez
Target 9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07
SHA256 9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07
Tags
njrat oct discovery 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

9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07

Threat Level: Known bad

The file 9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07 was found to be: Known bad.

Malicious Activity Summary

njrat oct discovery trojan

Njrat family

njRAT/Bladabindi

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 02:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 02:41

Reported

2024-11-04 02:44

Platform

win7-20241010-en

Max time kernel

149s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe"

Signatures

Njrat family

njrat

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sftp.url C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2496 set thread context of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2496 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe

"C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 film.royalprop.trade udp

Files

memory/2496-0-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2496-1-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2496-2-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2496-3-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2496-4-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2496-10-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2208-11-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2208-20-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2208-19-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2208-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2208-13-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2496-22-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2208-23-0x0000000074662000-0x0000000074664000-memory.dmp

memory/2208-24-0x0000000074662000-0x0000000074664000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 02:41

Reported

2024-11-04 02:45

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe"

Signatures

Njrat family

njrat

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sftp.url C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4216 set thread context of 4280 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe

"C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp
US 8.8.8.8:53 film.royalprop.trade udp

Files

memory/4216-0-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4216-1-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4216-2-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4216-3-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4216-4-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4216-10-0x0000000003310000-0x0000000003311000-memory.dmp

memory/4280-12-0x0000000000570000-0x000000000058A000-memory.dmp

memory/4216-17-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4280-18-0x0000000073D12000-0x0000000073D13000-memory.dmp

memory/4280-19-0x0000000073D10000-0x00000000742C1000-memory.dmp

memory/4280-20-0x0000000073D10000-0x00000000742C1000-memory.dmp

memory/4280-21-0x0000000073D12000-0x0000000073D13000-memory.dmp

memory/4280-22-0x0000000073D10000-0x00000000742C1000-memory.dmp

memory/4280-23-0x0000000073D10000-0x00000000742C1000-memory.dmp