Malware Analysis Report

2025-03-15 06:24

Sample ID 240927-nw5j7s1clj
Target fa588042f80450cae0a82ae660b70d5d_JaffaCakes118
SHA256 64efa92631d70a100849c7e89eb79bf4174e8f5930bde7d9f3379f74445f2786
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

64efa92631d70a100849c7e89eb79bf4174e8f5930bde7d9f3379f74445f2786

Threat Level: Known bad

The file fa588042f80450cae0a82ae660b70d5d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence privilege_escalation trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 11:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-27 11:45

Reported

2024-09-27 11:48

Platform

win7-20240903-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2268 -s 676

Network

N/A

Files

memory/2268-0-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

memory/2268-1-0x0000000000850000-0x00000000008B4000-memory.dmp

memory/2268-2-0x000000001A770000-0x000000001A832000-memory.dmp

memory/2268-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2268-4-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

memory/2268-5-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

memory/2268-6-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 11:45

Reported

2024-09-27 11:48

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01d199d0bf135b63192183a420ad4765 = "\"C:\\Users\\Admin\\AppData\\Roaming\\wind7x.exe\" .." C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01d199d0bf135b63192183a420ad4765 = "\"C:\\Users\\Admin\\AppData\\Roaming\\wind7x.exe\" .." C:\Users\Admin\AppData\Roaming\wind7x.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\Microsoft\NetSh C:\Windows\SYSTEM32\netsh.exe N/A
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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\wind7x.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fa588042f80450cae0a82ae660b70d5d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\wind7x.exe

"C:\Users\Admin\AppData\Roaming\wind7x.exe"

C:\Windows\SYSTEM32\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\wind7x.exe" "wind7x.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 savioanon.ddns.net udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 52.111.227.14:443 tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 savioanon.ddns.net udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
US 8.8.8.8:53 savioanon.ddns.net udp
ID 36.71.58.249:1604 savioanon.ddns.net tcp
ID 36.71.58.249:1604 savioanon.ddns.net tcp

Files

memory/3840-0-0x00007FFCECE23000-0x00007FFCECE25000-memory.dmp

memory/3840-1-0x0000000000AA0000-0x0000000000B04000-memory.dmp

memory/3840-2-0x000000001B780000-0x000000001B842000-memory.dmp

memory/3840-3-0x0000000002C60000-0x0000000002C66000-memory.dmp

memory/3840-4-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-5-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-6-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-7-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-8-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-9-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-10-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-11-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-12-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-13-0x000000001E5B0000-0x000000001E5BE000-memory.dmp

C:\Users\Admin\AppData\Roaming\wind7x.exe

MD5 fa588042f80450cae0a82ae660b70d5d
SHA1 f063835a6530a9657d40617c2e79f27445731eee
SHA256 64efa92631d70a100849c7e89eb79bf4174e8f5930bde7d9f3379f74445f2786
SHA512 fee96b3340215c554a5944a8cc7ecea85106997aa3be8c4743924b3503df7af769ec2d887fbd4f2ee4354d00e4270d087187d7817defee6617ea38f2d9380ff9

memory/3840-25-0x00007FFCECE23000-0x00007FFCECE25000-memory.dmp

memory/4472-29-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-28-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/3840-27-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/4472-30-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

memory/4472-31-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp