Malware Analysis Report

2025-01-22 13:51

Sample ID 240828-176ymayhlc
Target 7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe
SHA256 f3f9e98f471d4773e34e9c17046dcb979ce814b7ec57ab06d8a6374e5092dacb
Tags
hacked njrat discovery evasion persistence privilege_escalation 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

f3f9e98f471d4773e34e9c17046dcb979ce814b7ec57ab06d8a6374e5092dacb

Threat Level: Known bad

The file 7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-28 22:18

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-28 22:18

Reported

2024-08-28 22:20

Platform

win7-20240708-en

Max time kernel

119s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.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\Trojan.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe

"C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/1264-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

memory/1264-1-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1264-2-0x0000000074DD0000-0x000000007537B000-memory.dmp

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

MD5 7ea53bbc3f1b3b7f8ad0384d2a0eab70
SHA1 ae0285e3567a4cad47e28d126b1a67d28d4622a1
SHA256 f3f9e98f471d4773e34e9c17046dcb979ce814b7ec57ab06d8a6374e5092dacb
SHA512 67a483079304274cfe2196f5196246f2cce98dcf56bb118e989ad8bb5d763a29c1371d9666eacf801f43a0f41a9b76f52b5b6443f1a803ef9d384a4a06e66577

memory/1832-11-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1264-10-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1832-12-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1832-13-0x0000000074DD0000-0x000000007537B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-28 22:18

Reported

2024-08-28 22:20

Platform

win10v2004-20240802-en

Max time kernel

116s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe"

Signatures

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe N/A

Executes dropped EXE

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Trojan.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe

"C:\Users\Admin\AppData\Local\Temp\7ea53bbc3f1b3b7f8ad0384d2a0eab70N.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
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 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/864-0-0x0000000075122000-0x0000000075123000-memory.dmp

memory/864-1-0x0000000075120000-0x00000000756D1000-memory.dmp

memory/864-2-0x0000000075120000-0x00000000756D1000-memory.dmp

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

MD5 7ea53bbc3f1b3b7f8ad0384d2a0eab70
SHA1 ae0285e3567a4cad47e28d126b1a67d28d4622a1
SHA256 f3f9e98f471d4773e34e9c17046dcb979ce814b7ec57ab06d8a6374e5092dacb
SHA512 67a483079304274cfe2196f5196246f2cce98dcf56bb118e989ad8bb5d763a29c1371d9666eacf801f43a0f41a9b76f52b5b6443f1a803ef9d384a4a06e66577

memory/864-13-0x0000000075120000-0x00000000756D1000-memory.dmp

memory/2344-15-0x0000000075120000-0x00000000756D1000-memory.dmp

memory/2344-14-0x0000000075120000-0x00000000756D1000-memory.dmp

memory/2344-12-0x0000000075120000-0x00000000756D1000-memory.dmp

memory/2344-16-0x0000000075120000-0x00000000756D1000-memory.dmp