Malware Analysis Report

2024-10-23 20:54

Sample ID 240212-24dncafe78
Target bT5A.exe
SHA256 52d41d2b5b9fc7877624d603d1d935bcc4c9ca1fe06918664815330c9415b802
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

52d41d2b5b9fc7877624d603d1d935bcc4c9ca1fe06918664815330c9415b802

Threat Level: Known bad

The file bT5A.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

2024-02-12 23:07

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-12 23:07

Reported

2024-02-12 23:10

Platform

win7-20231215-en

Max time kernel

149s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT5A.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT5A.exe

"C:\Users\Admin\AppData\Local\Temp\bT5A.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 patria.duckdns.org udp
SE 46.246.80.9:1995 patria.duckdns.org tcp
SE 46.246.80.9:1995 patria.duckdns.org tcp

Files

memory/2640-0-0x0000000074870000-0x0000000074E1B000-memory.dmp

memory/2640-1-0x0000000074870000-0x0000000074E1B000-memory.dmp

memory/2640-2-0x0000000000CC0000-0x0000000000D00000-memory.dmp

memory/2640-3-0x0000000074870000-0x0000000074E1B000-memory.dmp

memory/2640-4-0x0000000074870000-0x0000000074E1B000-memory.dmp

memory/2640-5-0x0000000000CC0000-0x0000000000D00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-12 23:07

Reported

2024-02-12 23:10

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT5A.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5A.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT5A.exe

"C:\Users\Admin\AppData\Local\Temp\bT5A.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 patria.duckdns.org udp
SE 46.246.80.9:1995 patria.duckdns.org tcp
US 8.8.8.8:53 9.80.246.46.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3716-0-0x0000000075180000-0x0000000075731000-memory.dmp

memory/3716-1-0x0000000075180000-0x0000000075731000-memory.dmp

memory/3716-2-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

memory/3716-3-0x0000000075180000-0x0000000075731000-memory.dmp

memory/3716-4-0x0000000075180000-0x0000000075731000-memory.dmp

memory/3716-5-0x0000000000EC0000-0x0000000000ED0000-memory.dmp