Malware Analysis Report

2025-06-16 06:50

Sample ID 221007-2fcq5sdhgj
Target 71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe
SHA256 71043142d7023244da9addd9aed9c1e7ead4e99f4204d566844a5f9ef49fe1ad
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

71043142d7023244da9addd9aed9c1e7ead4e99f4204d566844a5f9ef49fe1ad

Threat Level: Known bad

The file 71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.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

2022-10-07 22:31

Signatures

Njrat family

njrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-07 22:31

Reported

2022-10-07 22:33

Platform

win7-20220812-en

Max time kernel

144s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe

"C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 svchost.ydns.eu udp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu 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

2022-10-07 22:31

Reported

2022-10-07 22:33

Platform

win10v2004-20220901-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe

"C:\Users\Admin\AppData\Local\Temp\71043142D7023244DA9ADDD9AED9C1E7EAD4E99F4204D.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 svchost.ydns.eu udp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
US 20.189.173.15:443 tcp
FR 2.18.109.224:443 tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp
ES 83.59.237.34:5553 svchost.ydns.eu tcp

Files

memory/4396-132-0x00000000753C0000-0x0000000075971000-memory.dmp

memory/4396-133-0x00000000753C0000-0x0000000075971000-memory.dmp