Malware Analysis Report

2025-08-10 21:18

Sample ID 240127-cfmtnsahe7
Target 78fd42f0ec9a7ecf52ef805bf3d1db88
SHA256 8cf4c92a9e57a674510432fbda9543c350d3191aca49844f39e01fb4145a0a9f
Tags
njrat trojan persistence
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

8cf4c92a9e57a674510432fbda9543c350d3191aca49844f39e01fb4145a0a9f

Threat Level: Known bad

The file 78fd42f0ec9a7ecf52ef805bf3d1db88 was found to be: Known bad.

Malicious Activity Summary

njrat trojan persistence

njRAT/Bladabindi

Adds Run key to start application

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-27 02:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-27 02:01

Reported

2024-01-27 02:03

Platform

win7-20231129-en

Max time kernel

148s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe

"C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe"

C:\Windows\system32\cmd.exe

"cmd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 discordsh.kro.kr udp

Files

memory/1068-0-0x0000000000860000-0x000000000086A000-memory.dmp

memory/1068-1-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

memory/1068-2-0x00000000023B0000-0x0000000002430000-memory.dmp

memory/1068-3-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

memory/1068-6-0x00000000023B0000-0x0000000002430000-memory.dmp

memory/1068-5-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 02:01

Reported

2024-01-27 02:03

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup = "C:\\Users\\Public\\Documents\\svchost" C:\Windows\system32\reg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3480 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe C:\Windows\SYSTEM32\cmd.exe
PID 3480 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe C:\Windows\SYSTEM32\cmd.exe
PID 3016 wrote to memory of 2672 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\reg.exe
PID 3016 wrote to memory of 2672 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\reg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe

"C:\Users\Admin\AppData\Local\Temp\78fd42f0ec9a7ecf52ef805bf3d1db88.exe"

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe"

C:\Windows\system32\reg.exe

reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "Startup" /t REG_SZ /d C:\Users\Public\Documents\svchost /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 discordsh.kro.kr udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/3480-0-0x00007FF9ADEA0000-0x00007FF9AE841000-memory.dmp

memory/3480-1-0x0000000001440000-0x0000000001450000-memory.dmp

memory/3480-2-0x0000000001390000-0x000000000139A000-memory.dmp

memory/3480-4-0x000000001C5F0000-0x000000001CABE000-memory.dmp

memory/3480-3-0x00007FF9ADEA0000-0x00007FF9AE841000-memory.dmp

memory/3480-5-0x000000001BFA0000-0x000000001BFE6000-memory.dmp

memory/3480-7-0x00007FF9ADEA0000-0x00007FF9AE841000-memory.dmp

memory/3480-8-0x0000000001440000-0x0000000001450000-memory.dmp

memory/3480-9-0x000000001D6C0000-0x000000001D766000-memory.dmp

memory/3480-10-0x000000001D8C0000-0x000000001D95C000-memory.dmp

memory/3480-11-0x00000000013E0000-0x00000000013E8000-memory.dmp