Malware Analysis Report

2024-10-19 08:12

Sample ID 240222-m8jb3agb6x
Target bTHN.exe
SHA256 e5175bedc7e00e2813dfffe045f6707e44bc17e00130986820085fb40b96636d
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

e5175bedc7e00e2813dfffe045f6707e44bc17e00130986820085fb40b96636d

Threat Level: Known bad

The file bTHN.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

2024-02-22 11:08

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-22 11:08

Reported

2024-02-22 11:10

Platform

win7-20240215-en

Max time kernel

148s

Max time network

143s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ecuaecua.duckdns.org udp
SE 46.246.12.6:2054 ecuaecua.duckdns.org tcp

Files

memory/2108-0-0x0000000074530000-0x0000000074ADB000-memory.dmp

memory/2108-1-0x0000000000240000-0x0000000000280000-memory.dmp

memory/2108-2-0x0000000074530000-0x0000000074ADB000-memory.dmp

memory/2108-3-0x0000000074530000-0x0000000074ADB000-memory.dmp

memory/2108-4-0x0000000000240000-0x0000000000280000-memory.dmp

memory/2108-5-0x0000000074530000-0x0000000074ADB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-22 11:08

Reported

2024-02-22 11:10

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

148s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
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 ecuaecua.duckdns.org udp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
SE 46.246.12.6:2054 ecuaecua.duckdns.org tcp
US 8.8.8.8:53 6.12.246.46.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp

Files

memory/2688-0-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/2688-1-0x0000000001A60000-0x0000000001A70000-memory.dmp

memory/2688-2-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/2688-3-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/2688-4-0x0000000001A60000-0x0000000001A70000-memory.dmp

memory/2688-5-0x00000000745D0000-0x0000000074B81000-memory.dmp