Malware Analysis Report

2025-03-15 06:21

Sample ID 240928-y4jb2sxfjf
Target fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118
SHA256 e7a1faa506b5a48641fd51224b4b9a5da0c39698eaa6c2f58902690ae2645196
Tags
njrat hacked 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

e7a1faa506b5a48641fd51224b4b9a5da0c39698eaa6c2f58902690ae2645196

Threat Level: Known bad

The file fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat hacked discovery evasion persistence privilege_escalation trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-28 20:20

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 20:20

Reported

2024-09-28 20:22

Platform

win7-20240903-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.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:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\java.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2280 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\java.exe
PID 2664 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\java.exe C:\Windows\SysWOW64\netsh.exe
PID 2664 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\java.exe C:\Windows\SysWOW64\netsh.exe
PID 2664 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\java.exe C:\Windows\SysWOW64\netsh.exe
PID 2664 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\java.exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 svalkabomja333.hopto.org udp

Files

memory/2280-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

memory/2280-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/2280-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

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

MD5 fd12ad5947e83d65c181db1ec4bbe214
SHA1 494d0349697f7bd8e5070b1d1f74156f986cf611
SHA256 e7a1faa506b5a48641fd51224b4b9a5da0c39698eaa6c2f58902690ae2645196
SHA512 fdf3478853b91d8f4597eda1b2093eac5c7de85bf32c1e4af6e534789e543e037b468fb6386cec7450f16bb846c587446c20933b5f6389622d2f90fcfaf5e084

memory/2664-11-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/2280-10-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/2664-12-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/2664-13-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-28 20:20

Reported

2024-09-28 20:22

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\java.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\java.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\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fd12ad5947e83d65c181db1ec4bbe214_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp
US 8.8.8.8:53 svalkabomja333.hopto.org udp

Files

memory/2208-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

memory/2208-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/2208-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

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

MD5 fd12ad5947e83d65c181db1ec4bbe214
SHA1 494d0349697f7bd8e5070b1d1f74156f986cf611
SHA256 e7a1faa506b5a48641fd51224b4b9a5da0c39698eaa6c2f58902690ae2645196
SHA512 fdf3478853b91d8f4597eda1b2093eac5c7de85bf32c1e4af6e534789e543e037b468fb6386cec7450f16bb846c587446c20933b5f6389622d2f90fcfaf5e084

memory/3476-13-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/2208-12-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/3476-14-0x0000000074AD0000-0x0000000075081000-memory.dmp

memory/3476-15-0x0000000074AD0000-0x0000000075081000-memory.dmp