Malware Analysis Report

2024-10-19 08:12

Sample ID 240221-shvv3ahf61
Target bTFU.exe
SHA256 5d94973c1721adf02c34669a00c29e5aae5010a71f79ca8ae16994edccec2830
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

5d94973c1721adf02c34669a00c29e5aae5010a71f79ca8ae16994edccec2830

Threat Level: Known bad

The file bTFU.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

2024-02-21 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

2024-02-21 15:08

Reported

2024-02-21 15:10

Platform

win7-20240220-en

Max time kernel

148s

Max time network

118s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 patria.duckdns.org udp
SE 46.246.14.2:1998 patria.duckdns.org tcp

Files

memory/3068-1-0x0000000002160000-0x00000000021A0000-memory.dmp

memory/3068-0-0x00000000746E0000-0x0000000074C8B000-memory.dmp

memory/3068-2-0x00000000746E0000-0x0000000074C8B000-memory.dmp

memory/3068-3-0x00000000746E0000-0x0000000074C8B000-memory.dmp

memory/3068-4-0x0000000002160000-0x00000000021A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-21 15:08

Reported

2024-02-21 15:10

Platform

win10v2004-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 patria.duckdns.org udp
SE 46.246.14.2:1998 patria.duckdns.org tcp
US 8.8.8.8:53 2.14.246.46.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 105.246.116.51.in-addr.arpa udp

Files

memory/220-0-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/220-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/220-2-0x0000000000E30000-0x0000000000E40000-memory.dmp

memory/220-3-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/220-4-0x00000000746A0000-0x0000000074C51000-memory.dmp

memory/220-5-0x0000000000E30000-0x0000000000E40000-memory.dmp