Malware Analysis Report

2025-01-22 13:51

Sample ID 240906-e756faxblg
Target ceab7dcffa3cd062216df277da057466_JaffaCakes118
SHA256 6f5471b3ddddeeafb73e3d901b2f24bf14b06ef3c430325d0f38155e42c5e93a
Tags
hacked njrat discovery evasion persistence privilege_escalation
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

6f5471b3ddddeeafb73e3d901b2f24bf14b06ef3c430325d0f38155e42c5e93a

Threat Level: Known bad

The file ceab7dcffa3cd062216df277da057466_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation

Njrat family

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

2024-09-06 04:35

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 04:35

Reported

2024-09-06 04:38

Platform

win7-20240708-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe"

Signatures

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\e622fcd0cf30e1bca60dc991bd977891.exe C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e622fcd0cf30e1bca60dc991bd977891.exe C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.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\ceab7dcffa3cd062216df277da057466_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\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe" "ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe" ENABLE

Network

Country Destination Domain Proto
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp

Files

memory/2136-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

memory/2136-1-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2136-2-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2136-4-0x00000000740C0000-0x000000007466B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 04:35

Reported

2024-09-06 04:38

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe"

Signatures

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\e622fcd0cf30e1bca60dc991bd977891.exe C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e622fcd0cf30e1bca60dc991bd977891.exe C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.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\ceab7dcffa3cd062216df277da057466_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\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1440 /prefetch:8

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe" "ceab7dcffa3cd062216df277da057466_JaffaCakes118.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 125.180.93.203:1 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
KR 125.180.93.203:1 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
KR 125.180.93.203:1 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
KR 125.180.93.203:1 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp
KR 125.180.93.203:1 tcp

Files

memory/2980-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

memory/2980-1-0x0000000074C10000-0x00000000751C1000-memory.dmp

memory/2980-2-0x0000000074C10000-0x00000000751C1000-memory.dmp

memory/2980-4-0x0000000074C12000-0x0000000074C13000-memory.dmp

memory/2980-5-0x0000000074C10000-0x00000000751C1000-memory.dmp

memory/2980-6-0x0000000074C10000-0x00000000751C1000-memory.dmp