Malware Analysis Report

2025-03-15 06:24

Sample ID 240927-yrmhyazand
Target a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe
SHA256 a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca
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

a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca

Threat Level: Known bad

The file a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.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

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 20:01

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-27 20:01

Reported

2024-09-27 20:03

Platform

win7-20240708-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.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\Raw.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
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

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\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Raw.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe

"C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Raw.exe" "Raw.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
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/2688-0-0x0000000074711000-0x0000000074712000-memory.dmp

memory/2688-1-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2688-2-0x0000000074710000-0x0000000074CBB000-memory.dmp

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

MD5 4c9d43b1e31e151789a1ac9d15fd994b
SHA1 9b5dd2d92bbb37958e382abd780dc6c0d3c890d6
SHA256 a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca
SHA512 dc9c82917ff3a9d97b65e06bf4a9d6b7a66b92e6aeadfe6fad7fed48c999f1adb6c6f7a2b58aa1034dddbee30e0d308ad78f1ecfa16b2eb78234e1484998a060

memory/2944-10-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2944-12-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2944-11-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2688-13-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2688-14-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2944-15-0x0000000074710000-0x0000000074CBB000-memory.dmp

memory/2944-16-0x0000000074710000-0x0000000074CBB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 20:01

Reported

2024-09-27 20:03

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

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

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\Raw.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\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe

"C:\Users\Admin\AppData\Local\Temp\a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 27.210.23.2.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
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 98.209.201.84.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
US 52.111.229.43:443 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 69.209.201.84.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 14.227.111.52.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
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
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp

Files

memory/4196-0-0x0000000074832000-0x0000000074833000-memory.dmp

memory/4196-1-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/4196-2-0x0000000074830000-0x0000000074DE1000-memory.dmp

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

MD5 4c9d43b1e31e151789a1ac9d15fd994b
SHA1 9b5dd2d92bbb37958e382abd780dc6c0d3c890d6
SHA256 a88edeb377205df24d69e4215b7d48f251231fdca07763cb498b9b0107629eca
SHA512 dc9c82917ff3a9d97b65e06bf4a9d6b7a66b92e6aeadfe6fad7fed48c999f1adb6c6f7a2b58aa1034dddbee30e0d308ad78f1ecfa16b2eb78234e1484998a060

memory/4196-13-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/4040-12-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/4040-14-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/4040-15-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/4040-16-0x0000000074830000-0x0000000074DE1000-memory.dmp