Malware Analysis Report

2024-10-23 20:54

Sample ID 240212-sh4g7sae34
Target bT5b.exe
SHA256 7d86de2d2e6cd118653666fd446f52370e890e3f72ba30de620abdea1f514822
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

7d86de2d2e6cd118653666fd446f52370e890e3f72ba30de620abdea1f514822

Threat Level: Known bad

The file bT5b.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 15:08

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-12 15:08

Reported

2024-02-12 15:11

Platform

win7-20231215-en

Max time kernel

148s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT5b.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT5b.exe

"C:\Users\Admin\AppData\Local\Temp\bT5b.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

Files

memory/3016-0-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/3016-2-0x00000000020B0000-0x00000000020F0000-memory.dmp

memory/3016-1-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/3016-3-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/3016-4-0x0000000074000000-0x00000000745AB000-memory.dmp

memory/3016-5-0x00000000020B0000-0x00000000020F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-12 15:08

Reported

2024-02-12 15:11

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bT5b.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bT5b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bT5b.exe

"C:\Users\Admin\AppData\Local\Temp\bT5b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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 14.227.111.52.in-addr.arpa udp

Files

memory/3692-0-0x0000000074BD0000-0x0000000075181000-memory.dmp

memory/3692-1-0x00000000008A0000-0x00000000008B0000-memory.dmp

memory/3692-2-0x0000000074BD0000-0x0000000075181000-memory.dmp

memory/3692-3-0x0000000074BD0000-0x0000000075181000-memory.dmp

memory/3692-4-0x00000000008A0000-0x00000000008B0000-memory.dmp