Malware Analysis Report

2024-10-19 08:12

Sample ID 240225-rxvyyadg93
Target 2940-2-0x0000000000250000-0x000000000025C000-memory.dmp
SHA256 5e029b412fe6b6dc120a646ef5fbbfed78d76e11ade3b0ff85c0133c45677af8
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

5e029b412fe6b6dc120a646ef5fbbfed78d76e11ade3b0ff85c0133c45677af8

Threat Level: Known bad

The file 2940-2-0x0000000000250000-0x000000000025C000-memory.dmp 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

2024-02-25 14:34

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-25 14:34

Reported

2024-02-25 14:37

Platform

win7-20240221-en

Max time kernel

148s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 seznam.zapto.org udp
US 34.86.252.187:5050 seznam.zapto.org tcp

Files

memory/2040-0-0x0000000074700000-0x0000000074CAB000-memory.dmp

memory/2040-2-0x0000000000520000-0x0000000000560000-memory.dmp

memory/2040-1-0x0000000074700000-0x0000000074CAB000-memory.dmp

memory/2040-3-0x0000000074700000-0x0000000074CAB000-memory.dmp

memory/2040-4-0x0000000074700000-0x0000000074CAB000-memory.dmp

memory/2040-5-0x0000000000520000-0x0000000000560000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-25 14:34

Reported

2024-02-25 14:37

Platform

win10v2004-20240221-en

Max time kernel

149s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2940-2-0x0000000000250000-0x000000000025C000-memory.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 seznam.zapto.org udp
US 34.86.252.187:5050 seznam.zapto.org tcp
US 8.8.8.8:53 187.252.86.34.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp

Files

memory/1332-0-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/1332-1-0x0000000001560000-0x0000000001570000-memory.dmp

memory/1332-2-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/1332-3-0x00000000753E0000-0x0000000075991000-memory.dmp

memory/1332-4-0x0000000001560000-0x0000000001570000-memory.dmp

memory/1332-5-0x00000000753E0000-0x0000000075991000-memory.dmp