Malware Analysis Report

2025-06-16 06:50

Sample ID 221010-t26bkscgcl
Target Nx.exe
SHA256 1253dc0cabeaeb7ace0813907cc4bd7be0f062b63caadf4fbb61821c8f861048
Tags
nyan cat njrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

1253dc0cabeaeb7ace0813907cc4bd7be0f062b63caadf4fbb61821c8f861048

Threat Level: Known bad

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

Malicious Activity Summary

nyan cat njrat

Njrat family

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-10-10 16:34

Signatures

Njrat family

njrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-10 16:34

Reported

2022-10-10 16:36

Platform

win7-20220812-en

Max time kernel

146s

Max time network

149s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 nyask1.duckdns.org udp
US 64.44.115.185:35888 nyask1.duckdns.org tcp

Files

memory/1248-54-0x0000000075351000-0x0000000075353000-memory.dmp

memory/1248-55-0x00000000747F0000-0x0000000074D9B000-memory.dmp

memory/1248-56-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-10 16:34

Reported

2022-10-10 16:36

Platform

win10v2004-20220812-en

Max time kernel

148s

Max time network

146s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 nyask1.duckdns.org udp
US 64.44.115.185:35888 nyask1.duckdns.org tcp
US 8.238.20.126:80 tcp
US 8.247.210.126:80 tcp
US 20.42.65.84:443 tcp
US 93.184.220.29:80 tcp

Files

memory/2992-132-0x0000000075420000-0x00000000759D1000-memory.dmp

memory/2992-133-0x0000000075420000-0x00000000759D1000-memory.dmp