Malware Analysis Report

2024-10-19 08:06

Sample ID 240530-qb4taahe7x
Target Client.exe
SHA256 c5bbe1f75d15903b38f0c1e944b8205dcbbb8033206b22921ad90bc64b0699e6
Tags
njrat evasion persistence trojan
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 Overview

score
10/10

SHA256

c5bbe1f75d15903b38f0c1e944b8205dcbbb8033206b22921ad90bc64b0699e6

Threat Level: Known bad

The file Client.exe was found to be: Known bad.

Malicious Activity Summary

njrat evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Drops startup file

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 13:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 13:06

Reported

2024-05-30 13:39

Platform

win10v2004-20240508-en

Max time kernel

739s

Max time network

741s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b22a0109880b3427de44fee115dc40ce.exe C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b22a0109880b3427de44fee115dc40ce.exe C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b22a0109880b3427de44fee115dc40ce = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b22a0109880b3427de44fee115dc40ce = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3772,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:8

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

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

C:\Windows\SysWOW64\netsh.exe

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4128,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 184.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
NL 91.92.241.69:5555 tcp
US 8.8.8.8:53 69.241.92.91.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
NL 91.92.241.69:5555 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
NL 91.92.241.69:5555 tcp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp

Files

memory/1436-0-0x0000000074D82000-0x0000000074D83000-memory.dmp

memory/1436-1-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/1436-2-0x0000000074D80000-0x0000000075331000-memory.dmp

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

MD5 2560eaeea2f78be73934dff77dc21115
SHA1 47da9e0270fdd3c762dcb371614eaf4ff67add03
SHA256 c5bbe1f75d15903b38f0c1e944b8205dcbbb8033206b22921ad90bc64b0699e6
SHA512 5ac9af16716e2e9ffa1cec0f74f273468789caf157ddfe7cbf20e6efdf03ad5f0c86d46bf8944c15a79c8d890ec4f683a9c4758c44c3ce5a5f0d3915f9fe977c

memory/2736-12-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/2736-14-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/1436-13-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/2736-17-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/2736-18-0x0000000074D80000-0x0000000075331000-memory.dmp

memory/2736-19-0x0000000074D80000-0x0000000075331000-memory.dmp