Malware Analysis Report

2025-06-16 06:50

Sample ID 220906-nmpsdscba3
Target b5feacdcdd478f8d833218d30d130dab.exe
SHA256 9dd09a60c4df0f14a01cf7a3d6e01739ce01589a85996659c802d9177b736cf9
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

9dd09a60c4df0f14a01cf7a3d6e01739ce01589a85996659c802d9177b736cf9

Threat Level: Known bad

The file b5feacdcdd478f8d833218d30d130dab.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

2022-09-06 11:31

Signatures

Njrat family

njrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-06 11:31

Reported

2022-09-06 11:33

Platform

win7-20220812-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe

"C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 antivirus-helper.publicvm.com udp
DE 136.243.111.71:741 antivirus-helper.publicvm.com tcp

Files

memory/544-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

memory/544-55-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/544-56-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-06 11:31

Reported

2022-09-06 11:33

Platform

win10v2004-20220812-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe

"C:\Users\Admin\AppData\Local\Temp\b5feacdcdd478f8d833218d30d130dab.exe"

Network

Country Destination Domain Proto
US 8.238.20.126:80 tcp
US 8.8.8.8:53 antivirus-helper.publicvm.com udp
DE 136.243.111.71:741 antivirus-helper.publicvm.com tcp
IE 40.126.31.73:443 tcp
DE 136.243.111.71:741 antivirus-helper.publicvm.com tcp
US 13.89.179.8:443 tcp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
US 8.238.20.126:80 tcp
US 8.238.20.126:80 tcp
US 8.253.208.120:80 tcp
US 8.8.8.8:53 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa udp

Files

memory/2512-132-0x0000000074B10000-0x00000000750C1000-memory.dmp

memory/2512-133-0x0000000074B10000-0x00000000750C1000-memory.dmp