Malware Analysis Report

2025-03-15 06:21

Sample ID 240928-n3csrsvbmr
Target fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118
SHA256 851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409
Tags
njrat hacked 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

851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409

Threat Level: Known bad

The file fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Modifies Windows Firewall

Drops startup file

Executes dropped EXE

Checks computer location settings

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-28 11:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 11:54

Reported

2024-09-28 11:57

Platform

win7-20240903-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\netsh.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe C:\Users\Admin\AppData\Roaming\IDM.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe C:\Users\Admin\AppData\Roaming\IDM.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\system32\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe"

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

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

C:\Windows\system32\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ubuy.ddns.net udp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
US 8.8.8.8:53 ubuy.ddns.net udp
LU 104.244.72.108:9999 ubuy.ddns.net tcp

Files

memory/2360-0-0x000007FEF5BDE000-0x000007FEF5BDF000-memory.dmp

memory/2360-1-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2360-2-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2360-3-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2360-4-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2360-5-0x000007FEF5BDE000-0x000007FEF5BDF000-memory.dmp

memory/2360-6-0x0000000000BA0000-0x0000000000BAC000-memory.dmp

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

MD5 fc3e2a07c5d9951074a2808cbbc55729
SHA1 bafd6ec3da9d4942eafde39c0020cebc997c5daf
SHA256 851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409
SHA512 5c1029c0332aaedf4b87e6f6711206b995b42a6c509e9d41e0dffa69c4793b1a2a2c89a710955a11c160f30f32bcd2a4a7bfd01f4fc101033baa835c2badbd13

memory/2736-12-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2736-13-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2736-14-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2360-15-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

memory/2736-16-0x000007FEF5920000-0x000007FEF62BD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-28 11:54

Reported

2024-09-28 11:57

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe C:\Users\Admin\AppData\Roaming\IDM.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe C:\Users\Admin\AppData\Roaming\IDM.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\IDM.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_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=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8

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

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

C:\Windows\SYSTEM32\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 ubuy.ddns.net udp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
LU 104.244.72.108:9999 ubuy.ddns.net tcp
US 8.8.8.8:53 ubuy.ddns.net udp
LU 104.244.72.108:9999 ubuy.ddns.net tcp

Files

memory/5560-0-0x00007FF9CE255000-0x00007FF9CE256000-memory.dmp

memory/5560-1-0x000000001B390000-0x000000001B436000-memory.dmp

memory/5560-2-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5560-3-0x000000001B910000-0x000000001BDDE000-memory.dmp

memory/5560-4-0x000000001BE80000-0x000000001BF1C000-memory.dmp

memory/5560-5-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5560-6-0x0000000000CE0000-0x0000000000CE8000-memory.dmp

memory/5560-7-0x000000001BFB0000-0x000000001BFFC000-memory.dmp

memory/5560-8-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5560-9-0x00007FF9CE255000-0x00007FF9CE256000-memory.dmp

memory/5560-10-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5560-11-0x000000001C500000-0x000000001C50C000-memory.dmp

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

MD5 fc3e2a07c5d9951074a2808cbbc55729
SHA1 bafd6ec3da9d4942eafde39c0020cebc997c5daf
SHA256 851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409
SHA512 5c1029c0332aaedf4b87e6f6711206b995b42a6c509e9d41e0dffa69c4793b1a2a2c89a710955a11c160f30f32bcd2a4a7bfd01f4fc101033baa835c2badbd13

memory/5212-26-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5212-24-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5560-25-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5212-27-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5212-28-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

memory/5212-29-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp