Malware Analysis Report

2025-04-13 23:42

Sample ID 230811-yj7h5sgd74
Target xzr8LT5enhh7.exe
SHA256 db09709a85d82075be16e8b4810d04a14dc478d720dd8f5680d32d8afd02f3cc
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

db09709a85d82075be16e8b4810d04a14dc478d720dd8f5680d32d8afd02f3cc

Threat Level: Known bad

The file xzr8LT5enhh7.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 19:49

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 19:49

Reported

2023-08-11 19:52

Platform

win7-20230712-en

Max time kernel

150s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe

"C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe"

Network

N/A

Files

memory/1708-54-0x0000000074070000-0x000000007461B000-memory.dmp

memory/1708-55-0x0000000074070000-0x000000007461B000-memory.dmp

memory/1708-56-0x0000000000290000-0x00000000002D0000-memory.dmp

memory/1708-57-0x0000000074070000-0x000000007461B000-memory.dmp

memory/1708-58-0x0000000074070000-0x000000007461B000-memory.dmp

memory/1708-59-0x0000000000290000-0x00000000002D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-11 19:49

Reported

2023-08-11 19:52

Platform

win10v2004-20230703-en

Max time kernel

152s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe

"C:\Users\Admin\AppData\Local\Temp\xzr8LT5enhh7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

memory/4148-133-0x0000000074FA0000-0x0000000075551000-memory.dmp

memory/4148-134-0x0000000074FA0000-0x0000000075551000-memory.dmp

memory/4148-135-0x0000000001360000-0x0000000001370000-memory.dmp

memory/4148-136-0x0000000074FA0000-0x0000000075551000-memory.dmp

memory/4148-137-0x0000000074FA0000-0x0000000075551000-memory.dmp

memory/4148-138-0x0000000001360000-0x0000000001370000-memory.dmp