Malware Analysis Report

2025-03-15 06:06

Sample ID 240729-t4kgwsxgll
Target 52df79aee51712d356dbf6f51bd814d4_JaffaCakes118
SHA256 69bc3e840c7aeb2c0eaa156a23c7717fb2352c7a4e1a28deedfbc25b79b27b82
Tags
diethylzink 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

69bc3e840c7aeb2c0eaa156a23c7717fb2352c7a4e1a28deedfbc25b79b27b82

Threat Level: Known bad

The file 52df79aee51712d356dbf6f51bd814d4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

diethylzink njrat discovery evasion persistence privilege_escalation trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 16:36

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 16:36

Reported

2024-07-29 16:42

Platform

win7-20240708-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_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

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\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.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\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe" "52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe" ENABLE

Network

Country Destination Domain Proto
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp

Files

memory/1700-0-0x0000000074921000-0x0000000074922000-memory.dmp

memory/1700-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

memory/1700-2-0x0000000074920000-0x0000000074ECB000-memory.dmp

memory/1700-3-0x0000000074920000-0x0000000074ECB000-memory.dmp

memory/1700-4-0x0000000074920000-0x0000000074ECB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 16:36

Reported

2024-07-29 16:41

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_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

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\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.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\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.exe" "52df79aee51712d356dbf6f51bd814d4_JaffaCakes118.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
SE 81.233.44.103:4789 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
SE 81.233.44.103:4789 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa 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
SE 81.233.44.103:4789 tcp
SE 81.233.44.103:4789 tcp

Files

memory/1480-0-0x0000000075082000-0x0000000075083000-memory.dmp

memory/1480-1-0x0000000075080000-0x0000000075631000-memory.dmp

memory/1480-2-0x0000000075080000-0x0000000075631000-memory.dmp

memory/1480-3-0x0000000075082000-0x0000000075083000-memory.dmp

memory/1480-4-0x0000000075080000-0x0000000075631000-memory.dmp

memory/1480-5-0x0000000075080000-0x0000000075631000-memory.dmp