Malware Analysis Report

2025-01-22 13:51

Sample ID 240831-xtpweazgqq
Target 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
SHA256 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
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

1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7

Threat Level: Known bad

The file 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7 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

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 19:08

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 19:08

Reported

2024-08-31 19:11

Platform

win7-20240708-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.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\Roaming\server.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." C:\Users\Admin\AppData\Roaming\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." C:\Users\Admin\AppData\Roaming\server.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\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\server.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\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe

"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"

C:\Users\Admin\AppData\Roaming\server.exe

"C:\Users\Admin\AppData\Roaming\server.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE

Network

Country Destination Domain Proto
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp

Files

memory/2152-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

memory/2152-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2152-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

\Users\Admin\AppData\Roaming\server.exe

MD5 96795f99f9dd2b59b042964004acde86
SHA1 0838a91ceb2faf90c4dba6a5d3f68963662a3d0e
SHA256 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
SHA512 1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2

memory/2356-10-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2356-12-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2152-11-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2356-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2356-14-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 19:08

Reported

2024-08-31 19:11

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." C:\Users\Admin\AppData\Roaming\server.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." C:\Users\Admin\AppData\Roaming\server.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\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\server.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\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\server.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\server.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe

"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"

C:\Users\Admin\AppData\Roaming\server.exe

"C:\Users\Admin\AppData\Roaming\server.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
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
N/A 127.0.0.1:9977 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:9977 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
N/A 127.0.0.1:9977 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp
N/A 127.0.0.1:9977 tcp

Files

memory/1468-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

memory/1468-1-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/1468-2-0x0000000074C80000-0x0000000075231000-memory.dmp

C:\Users\Admin\AppData\Roaming\server.exe

MD5 96795f99f9dd2b59b042964004acde86
SHA1 0838a91ceb2faf90c4dba6a5d3f68963662a3d0e
SHA256 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
SHA512 1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2

memory/1468-12-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/3360-13-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/3360-14-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/3360-15-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/3360-16-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/3360-17-0x0000000074C80000-0x0000000075231000-memory.dmp