Malware Analysis Report

2024-10-23 20:53

Sample ID 240212-shv6tsae26
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 15:10

Platform

win7-20231215-en

Max time kernel

149s

Max time network

148s

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/1560-0-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1560-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1560-2-0x00000000021B0000-0x00000000021F0000-memory.dmp

memory/1560-3-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1560-4-0x0000000074BB0000-0x000000007515B000-memory.dmp

memory/1560-5-0x00000000021B0000-0x00000000021F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-12 15:08

Reported

2024-02-12 15:10

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

148s

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.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 20.231.121.79:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp

Files

memory/4760-0-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4760-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4760-2-0x0000000000A90000-0x0000000000AA0000-memory.dmp

memory/4760-3-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/4760-4-0x0000000075520000-0x0000000075AD1000-memory.dmp