Malware Analysis Report

2025-04-13 23:42

Sample ID 230811-yj9cqsgd75
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 19:50

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 19:50

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
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/2332-54-0x00000000745F0000-0x0000000074B9B000-memory.dmp

memory/2332-55-0x00000000745F0000-0x0000000074B9B000-memory.dmp

memory/2332-56-0x0000000000170000-0x00000000001B0000-memory.dmp

memory/2332-57-0x00000000745F0000-0x0000000074B9B000-memory.dmp

memory/2332-58-0x00000000745F0000-0x0000000074B9B000-memory.dmp

memory/2332-59-0x0000000000170000-0x00000000001B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-11 19:50

Reported

2023-08-11 19:52

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

147s

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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 254.133.241.8.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.73.50.20.in-addr.arpa udp

Files

memory/3500-133-0x0000000074AA0000-0x0000000075051000-memory.dmp

memory/3500-134-0x0000000074AA0000-0x0000000075051000-memory.dmp

memory/3500-135-0x00000000016B0000-0x00000000016C0000-memory.dmp

memory/3500-136-0x0000000074AA0000-0x0000000075051000-memory.dmp

memory/3500-137-0x0000000074AA0000-0x0000000075051000-memory.dmp