Malware Analysis Report

2025-01-22 13:52

Sample ID 240826-z3a5qaxcjm
Target c3d32b29bd4bcd5502774ce4eeaf1317_JaffaCakes118
SHA256 98c35419714dd400a74f0220eab65ce7406d4582e313d91bbf60d64a281d1f32
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

98c35419714dd400a74f0220eab65ce7406d4582e313d91bbf60d64a281d1f32

Threat Level: Known bad

The file c3d32b29bd4bcd5502774ce4eeaf1317_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-26 21:14

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-26 21:14

Reported

2024-08-26 21:16

Platform

win7-20240729-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WhatsApp web.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\e40d1c171bdf00d21ab3159bddf87a11.exe C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e40d1c171bdf00d21ab3159bddf87a11.exe C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\e40d1c171bdf00d21ab3159bddf87a11 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WhatsApp web.exe\" .." C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e40d1c171bdf00d21ab3159bddf87a11 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WhatsApp web.exe\" .." C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A

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\WhatsApp web.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\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe

"C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe"

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 jonath12.no-ip.biz udp

Files

memory/3016-0-0x0000000074861000-0x0000000074862000-memory.dmp

memory/3016-1-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/3016-2-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/3016-4-0x0000000074860000-0x0000000074E0B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-26 21:14

Reported

2024-08-26 21:16

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WhatsApp web.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\e40d1c171bdf00d21ab3159bddf87a11.exe C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e40d1c171bdf00d21ab3159bddf87a11.exe C:\Users\Admin\AppData\Local\Temp\WhatsApp web.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\e40d1c171bdf00d21ab3159bddf87a11 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WhatsApp web.exe\" .." C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e40d1c171bdf00d21ab3159bddf87a11 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WhatsApp web.exe\" .." C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A

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\WhatsApp web.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\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4980 wrote to memory of 4192 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe C:\Windows\SysWOW64\netsh.exe
PID 4980 wrote to memory of 4192 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe C:\Windows\SysWOW64\netsh.exe
PID 4980 wrote to memory of 4192 N/A C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe

"C:\Users\Admin\AppData\Local\Temp\WhatsApp web.exe"

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp
US 8.8.8.8:53 jonath12.no-ip.biz udp

Files

memory/4980-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

memory/4980-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/4980-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/4980-4-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

memory/4980-5-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/4980-6-0x0000000074AD0000-0x0000000075081000-memory.dmp