Malware Analysis Report

2025-01-22 14:03

Sample ID 240301-ap2yvagh49
Target 0x000f000000015c98-6.dat
SHA256 04e0fbb43e406c2b5e30d7ceb07bfcab2874d10cd7538de8b7dac1cf55a4aff5
Tags
hacked njrat evasion 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

04e0fbb43e406c2b5e30d7ceb07bfcab2874d10cd7538de8b7dac1cf55a4aff5

Threat Level: Known bad

The file 0x000f000000015c98-6.dat was found to be: Known bad.

Malicious Activity Summary

hacked njrat evasion trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Legitimate hosting services abused for malware hosting/C2

Drops autorun.inf file

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-01 00:24

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-01 00:24

Reported

2024-03-01 00:26

Platform

win7-20240221-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A

Drops autorun.inf file

Description Indicator Process Target
File created C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File opened for modification C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File created D:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File created F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File opened for modification F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe

"C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 3.127.59.75:17426 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:17426 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:17426 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:17426 4.tcp.eu.ngrok.io tcp
DE 3.127.59.75:17426 tcp

Files

memory/2236-0-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2236-1-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2236-2-0x0000000000C10000-0x0000000000C50000-memory.dmp

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

MD5 0412cda3646ee3de6ba970f25c12078c
SHA1 8253de37b97a87a4fb4fdaa2598482430406a885
SHA256 04e0fbb43e406c2b5e30d7ceb07bfcab2874d10cd7538de8b7dac1cf55a4aff5
SHA512 986e0e035bd19b3c86f7a2f4fc858e78680eb8a436ce510f9075d3b38645bf3a543f085305dc103a7c73b77c3dfa2ea92c33ecfaad034041dda8e10478d54490

memory/2236-11-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2812-12-0x00000000022D0000-0x0000000002310000-memory.dmp

memory/2812-10-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2812-13-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2812-22-0x0000000074020000-0x00000000745CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-01 00:24

Reported

2024-03-01 00:26

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe N/A

Executes dropped EXE

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A
N/A 4.tcp.eu.ngrok.io N/A N/A

Drops autorun.inf file

Description Indicator Process Target
File opened for modification C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File created D:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File created F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File opened for modification F:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A
File created C:\autorun.inf C:\Users\Admin\AppData\Local\Temp\aim.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe

"C:\Users\Admin\AppData\Local\Temp\0x000f000000015c98-6.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 18.198.77.177:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 4.tcp.eu.ngrok.io udp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
DE 52.28.112.211:17426 4.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp

Files

memory/2976-0-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/2976-1-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/2976-2-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

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

MD5 0412cda3646ee3de6ba970f25c12078c
SHA1 8253de37b97a87a4fb4fdaa2598482430406a885
SHA256 04e0fbb43e406c2b5e30d7ceb07bfcab2874d10cd7538de8b7dac1cf55a4aff5
SHA512 986e0e035bd19b3c86f7a2f4fc858e78680eb8a436ce510f9075d3b38645bf3a543f085305dc103a7c73b77c3dfa2ea92c33ecfaad034041dda8e10478d54490

memory/2976-12-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/3596-13-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/3596-14-0x0000000001570000-0x0000000001580000-memory.dmp

memory/3596-15-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/3596-24-0x0000000074F80000-0x0000000075531000-memory.dmp

memory/3596-25-0x0000000001570000-0x0000000001580000-memory.dmp