Malware Analysis Report

2025-06-16 06:58

Sample ID 241104-c2ltha1erg
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/Bladabindi

Njrat family

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 02:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 02:34

Reported

2024-11-04 02:38

Platform

win7-20240708-en

Max time kernel

150s

Max time network

127s

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 2368 set thread context of 2484 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
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 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9caf7f30a4c05e494861099f3d883851850d3b0f66d08fd01f1b9abc049bcb07.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2368 wrote to memory of 2484 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/2368-0-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2368-1-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2368-2-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2368-3-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2368-4-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2368-10-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2484-20-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2484-19-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2484-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2484-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2484-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2368-22-0x0000000000400000-0x0000000000569000-memory.dmp

memory/2484-23-0x0000000074312000-0x0000000074314000-memory.dmp

memory/2484-24-0x0000000074312000-0x0000000074314000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 02:34

Reported

2024-11-04 02:38

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

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 4460 set thread context of 212 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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.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 26.35.223.20.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 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 film.royalprop.trade 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 55.36.223.20.in-addr.arpa 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/4460-0-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4460-1-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4460-2-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4460-3-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4460-4-0x0000000000400000-0x0000000000569000-memory.dmp

memory/4460-10-0x0000000000B30000-0x0000000000B31000-memory.dmp

memory/212-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4460-17-0x0000000000400000-0x0000000000569000-memory.dmp

memory/212-18-0x0000000074762000-0x0000000074763000-memory.dmp

memory/212-19-0x0000000074760000-0x0000000074D11000-memory.dmp

memory/212-20-0x0000000074760000-0x0000000074D11000-memory.dmp

memory/212-21-0x0000000074762000-0x0000000074763000-memory.dmp

memory/212-22-0x0000000074760000-0x0000000074D11000-memory.dmp

memory/212-23-0x0000000074760000-0x0000000074D11000-memory.dmp