Malware Analysis Report

2025-04-13 23:32

Sample ID 240729-dj8e8azekm
Target 34e18df6b57367acda2400b72e70c8e5_JaffaCakes118
SHA256 153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291
Tags
teste 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

153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291

Threat Level: Known bad

The file 34e18df6b57367acda2400b72e70c8e5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

teste njrat discovery evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Checks computer location settings

Drops startup file

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 03:03

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 03:03

Reported

2024-07-31 02:03

Platform

win7-20240704-en

Max time kernel

149s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f2cab4d3894680083cfe33096560bcf2.exe C:\Users\Admin\AppData\Roaming\PAID.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f2cab4d3894680083cfe33096560bcf2.exe C:\Users\Admin\AppData\Roaming\PAID.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\f2cab4d3894680083cfe33096560bcf2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\PAID.exe\" .." C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f2cab4d3894680083cfe33096560bcf2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\PAID.exe\" .." C:\Users\Admin\AppData\Roaming\PAID.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\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\PAID.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\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 xapangu.hopto.org udp

Files

memory/348-0-0x0000000074181000-0x0000000074182000-memory.dmp

memory/348-1-0x0000000074180000-0x000000007472B000-memory.dmp

memory/348-2-0x0000000074180000-0x000000007472B000-memory.dmp

\Users\Admin\AppData\Roaming\PAID.exe

MD5 34e18df6b57367acda2400b72e70c8e5
SHA1 773fb11dfb24ba8ba4a0a019ebaad815d26a0b1d
SHA256 153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291
SHA512 9e67c93de18ecb84b511c9ef332a31dcfb5ced1b4e0f4d6d35ee93aa1cc737de237bc0bad095f857419913a0bf27a04ac61aad2fb630cc4378c578d7b1e24549

memory/2952-11-0x0000000074180000-0x000000007472B000-memory.dmp

memory/348-10-0x0000000074180000-0x000000007472B000-memory.dmp

memory/2952-13-0x0000000074180000-0x000000007472B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 03:03

Reported

2024-07-31 02:02

Platform

win10v2004-20240730-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.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-1-5-21-3089151618-2647890268-2710988337-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f2cab4d3894680083cfe33096560bcf2.exe C:\Users\Admin\AppData\Roaming\PAID.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f2cab4d3894680083cfe33096560bcf2.exe C:\Users\Admin\AppData\Roaming\PAID.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3089151618-2647890268-2710988337-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f2cab4d3894680083cfe33096560bcf2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\PAID.exe\" .." C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f2cab4d3894680083cfe33096560bcf2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\PAID.exe\" .." C:\Users\Admin\AppData\Roaming\PAID.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\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\PAID.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\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PAID.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\34e18df6b57367acda2400b72e70c8e5_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 xapangu.hopto.org udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/624-0-0x0000000075292000-0x0000000075293000-memory.dmp

memory/624-1-0x0000000075290000-0x0000000075841000-memory.dmp

memory/624-2-0x0000000075290000-0x0000000075841000-memory.dmp

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

MD5 34e18df6b57367acda2400b72e70c8e5
SHA1 773fb11dfb24ba8ba4a0a019ebaad815d26a0b1d
SHA256 153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291
SHA512 9e67c93de18ecb84b511c9ef332a31dcfb5ced1b4e0f4d6d35ee93aa1cc737de237bc0bad095f857419913a0bf27a04ac61aad2fb630cc4378c578d7b1e24549

memory/624-13-0x0000000075290000-0x0000000075841000-memory.dmp

memory/2364-12-0x0000000075290000-0x0000000075841000-memory.dmp

memory/2364-14-0x0000000075290000-0x0000000075841000-memory.dmp

memory/2364-16-0x0000000075290000-0x0000000075841000-memory.dmp