Malware Analysis Report

2024-10-23 20:53

Sample ID 240210-tk7s3sdh4z
Target bT34.exe
SHA256 86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135
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

86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135

Threat Level: Known bad

The file bT34.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

2024-02-10 16:08

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-10 16:08

Reported

2024-02-10 16:10

Platform

win7-20231215-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT34.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT34.exe

"C:\Users\Admin\AppData\Local\Temp\bT34.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp

Files

memory/2772-0-0x0000000074670000-0x0000000074C1B000-memory.dmp

memory/2772-1-0x0000000074670000-0x0000000074C1B000-memory.dmp

memory/2772-2-0x0000000000B70000-0x0000000000BB0000-memory.dmp

memory/2772-3-0x0000000074670000-0x0000000074C1B000-memory.dmp

memory/2772-4-0x0000000074670000-0x0000000074C1B000-memory.dmp

memory/2772-5-0x0000000000B70000-0x0000000000BB0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-10 16:08

Reported

2024-02-10 16:10

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT34.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT34.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT34.exe

"C:\Users\Admin\AppData\Local\Temp\bT34.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 3.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.6.2:7771 berlyndnero.duckdns.org tcp

Files

memory/720-0-0x0000000074680000-0x0000000074C31000-memory.dmp

memory/720-1-0x0000000074680000-0x0000000074C31000-memory.dmp

memory/720-2-0x0000000001070000-0x0000000001080000-memory.dmp

memory/720-3-0x0000000074680000-0x0000000074C31000-memory.dmp

memory/720-4-0x0000000074680000-0x0000000074C31000-memory.dmp