Malware Analysis Report

2025-04-13 23:42

Sample ID 230811-yvy15sad9v
Target xZJKmUXowvtp.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 xZJKmUXowvtp.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

2023-08-11 20:07

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-11 20:07

Reported

2023-08-11 20:09

Platform

win7-20230712-en

Max time kernel

149s

Max time network

144s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\xZJKmUXowvtp.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/1136-54-0x0000000074330000-0x00000000748DB000-memory.dmp

memory/1136-55-0x0000000074330000-0x00000000748DB000-memory.dmp

memory/1136-56-0x0000000002100000-0x0000000002140000-memory.dmp

memory/1136-57-0x0000000074330000-0x00000000748DB000-memory.dmp

memory/1136-58-0x0000000074330000-0x00000000748DB000-memory.dmp

memory/1136-59-0x0000000002100000-0x0000000002140000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-11 20:07

Reported

2023-08-11 20:09

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

147s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/940-133-0x0000000074620000-0x0000000074BD1000-memory.dmp

memory/940-134-0x0000000074620000-0x0000000074BD1000-memory.dmp

memory/940-135-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/940-136-0x0000000074620000-0x0000000074BD1000-memory.dmp

memory/940-137-0x0000000074620000-0x0000000074BD1000-memory.dmp

memory/940-138-0x00000000014E0000-0x00000000014F0000-memory.dmp