Malware Analysis Report

2025-04-13 23:42

Sample ID 230813-ly5lwacg2x
Target 784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe
SHA256 784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d
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

784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d

Threat Level: Known bad

The file 784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe was found to be: Known bad.

Malicious Activity Summary

nyan cat njrat

Njrat family

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-13 09:57

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-13 09:57

Reported

2023-08-13 10:00

Platform

win7-20230712-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe

"C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.82.6:1994 fortuna777.duckdns.org tcp

Files

memory/2476-53-0x0000000074E90000-0x000000007543B000-memory.dmp

memory/2476-55-0x00000000020E0000-0x0000000002120000-memory.dmp

memory/2476-54-0x0000000074E90000-0x000000007543B000-memory.dmp

memory/2476-56-0x0000000074E90000-0x000000007543B000-memory.dmp

memory/2476-57-0x0000000074E90000-0x000000007543B000-memory.dmp

memory/2476-58-0x00000000020E0000-0x0000000002120000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-13 09:57

Reported

2023-08-13 10:00

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe

"C:\Users\Admin\AppData\Local\Temp\784e7f352ce8a8ca2e2909967bb42e67652e964c981640222ba11aaa148f092d_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 254.234.253.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 fortuna777.duckdns.org udp
SE 46.246.82.6:1994 fortuna777.duckdns.org tcp
US 8.8.8.8:53 6.82.246.46.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 126.130.241.8.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

memory/4240-133-0x0000000075300000-0x00000000758B1000-memory.dmp

memory/4240-134-0x0000000075300000-0x00000000758B1000-memory.dmp

memory/4240-135-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

memory/4240-136-0x0000000075300000-0x00000000758B1000-memory.dmp

memory/4240-137-0x0000000075300000-0x00000000758B1000-memory.dmp

memory/4240-138-0x0000000000AD0000-0x0000000000AE0000-memory.dmp