Malware Analysis Report

2025-01-22 13:08

Sample ID 240720-v5jgnawejm
Target Laucher Mta.rar
SHA256 33465e704ae1e62599c98be18de28696f2c9f014243e2a37b15005bcc379101f
Tags
njrat laucher trojan evasion persistence privilege_escalation
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

33465e704ae1e62599c98be18de28696f2c9f014243e2a37b15005bcc379101f

Threat Level: Known bad

The file Laucher Mta.rar was found to be: Known bad.

Malicious Activity Summary

njrat laucher trojan evasion persistence privilege_escalation

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Drops startup file

Adds Run key to start application

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-20 17:34

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-20 17:34

Reported

2024-07-20 17:34

Platform

win7-20240704-en

Max time kernel

6s

Max time network

1s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Laucher.exe N/A

Enumerates physical storage devices

Processes

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

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

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

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

Network

N/A

Files

memory/2460-0-0x0000000074E31000-0x0000000074E32000-memory.dmp

memory/2460-1-0x0000000074E30000-0x00000000753DB000-memory.dmp

memory/2460-2-0x0000000074E30000-0x00000000753DB000-memory.dmp

\Users\Admin\AppData\Local\Temp\Windows.exe

MD5 cd6778c62837fe1c00f9d20f5b6764da
SHA1 595346ec1934cd5ef6f53deaa9a491afdbf65c36
SHA256 15cc48febf33e832ce4b2e66ec579ba8cafbf7a084d5f35b90ebf2a7451573d7
SHA512 3d195e04054f09f452d50c33a710eb74b2b58409b0816deded5a6b0c68383ba72790d6753c260476a2dbc33e2f2f08126b766e5d0482031fdd2c66b28f9234d3

memory/2460-10-0x0000000074E30000-0x00000000753DB000-memory.dmp

memory/1848-11-0x0000000074E30000-0x00000000753DB000-memory.dmp

memory/1848-12-0x0000000074E30000-0x00000000753DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-20 17:34

Reported

2024-07-20 17:37

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

150s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Laucher.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8070cac3fa16f7a7eee679eadfcdefef.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8070cac3fa16f7a7eee679eadfcdefef.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8070cac3fa16f7a7eee679eadfcdefef = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8070cac3fa16f7a7eee679eadfcdefef = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .." C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows.exe" "Windows.exe" ENABLE

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 players-celtic.gl.at.ply.gg udp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp
US 147.185.221.21:11897 players-celtic.gl.at.ply.gg tcp

Files

memory/1428-0-0x00000000745B2000-0x00000000745B3000-memory.dmp

memory/1428-1-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/1428-2-0x00000000745B0000-0x0000000074B61000-memory.dmp

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

MD5 cd6778c62837fe1c00f9d20f5b6764da
SHA1 595346ec1934cd5ef6f53deaa9a491afdbf65c36
SHA256 15cc48febf33e832ce4b2e66ec579ba8cafbf7a084d5f35b90ebf2a7451573d7
SHA512 3d195e04054f09f452d50c33a710eb74b2b58409b0816deded5a6b0c68383ba72790d6753c260476a2dbc33e2f2f08126b766e5d0482031fdd2c66b28f9234d3

memory/1428-12-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/4508-13-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/4508-14-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/4508-15-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/4508-17-0x00000000745B0000-0x0000000074B61000-memory.dmp