Malware Analysis Report

2025-01-22 13:49

Sample ID 240906-pnlykawcrn
Target 23dd4610693bb9928f8c224440ad8e30N.exe
SHA256 35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5
Tags
njrat hacked 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

35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5

Threat Level: Known bad

The file 23dd4610693bb9928f8c224440ad8e30N.exe was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 12:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 12:28

Reported

2024-09-06 12:30

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\netsh.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .." C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .." C:\Users\Admin\AppData\Roaming\ProcessHacker.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\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskkill.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe

"C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe"

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

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

C:\Windows\system32\netsh.exe

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

C:\Windows\system32\taskkill.exe

taskkill /F /IM Exsample.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 maestro49.ddns.net udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
US 8.8.8.8:53 maestro49.ddns.net udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
EG 154.176.222.122:5552 maestro49.ddns.net tcp

Files

memory/2072-0-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

memory/2072-1-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2072-2-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2072-3-0x0000000000450000-0x0000000000460000-memory.dmp

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

MD5 23dd4610693bb9928f8c224440ad8e30
SHA1 2bd398fbd6bb00801a5ac15650afcff4e3b7ee8c
SHA256 35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5
SHA512 9b3f635e105c41dd93f806cbe09cd73a4585f26ed6ff349d21862fdd4d3990e3bc701a0199eed9969eb101691a8363234e67f134a4d86ac397ff528276970c3c

memory/2072-9-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2176-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2176-11-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2176-13-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2176-15-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

memory/2176-14-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 12:28

Reported

2024-09-06 12:30

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1f14d442afed773c814b9d245e6118bf.exe C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .." C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1f14d442afed773c814b9d245e6118bf = "\"C:\\Users\\Admin\\AppData\\Roaming\\ProcessHacker.exe\" .." C:\Users\Admin\AppData\Roaming\ProcessHacker.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\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SYSTEM32\taskkill.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\ProcessHacker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe

"C:\Users\Admin\AppData\Local\Temp\23dd4610693bb9928f8c224440ad8e30N.exe"

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

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

C:\Windows\SYSTEM32\netsh.exe

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

C:\Windows\SYSTEM32\taskkill.exe

taskkill /F /IM Exsample.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 maestro49.ddns.net udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
US 8.8.8.8:53 25.211.222.173.in-addr.arpa udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
US 8.8.8.8:53 maestro49.ddns.net udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
EG 154.176.222.122:5552 maestro49.ddns.net tcp

Files

memory/3260-0-0x00007FFDF2D95000-0x00007FFDF2D96000-memory.dmp

memory/3260-1-0x000000001B540000-0x000000001BA0E000-memory.dmp

memory/3260-2-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/3260-3-0x000000001BAB0000-0x000000001BB4C000-memory.dmp

memory/3260-4-0x000000001BC00000-0x000000001BCA6000-memory.dmp

memory/3260-5-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/3260-6-0x000000001BCF0000-0x000000001BD00000-memory.dmp

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

MD5 23dd4610693bb9928f8c224440ad8e30
SHA1 2bd398fbd6bb00801a5ac15650afcff4e3b7ee8c
SHA256 35b588651334998c6473ba19b676527e5e4782a5d366e5aee5f6151e927ef1b5
SHA512 9b3f635e105c41dd93f806cbe09cd73a4585f26ed6ff349d21862fdd4d3990e3bc701a0199eed9969eb101691a8363234e67f134a4d86ac397ff528276970c3c

memory/4188-19-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/3260-20-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/4188-21-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/4188-22-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp

memory/4188-24-0x000000001C690000-0x000000001C698000-memory.dmp

memory/4188-25-0x00007FFDF2AE0000-0x00007FFDF3481000-memory.dmp