Malware Analysis Report

2024-10-19 10:47

Sample ID 240620-jdcn9a1ajk
Target 040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118
SHA256 f0e9959742704667a779343a3f852c1bb7d71fce9910c0d8112a97e757be61b0
Tags
adware stealer
score
6/10

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
6/10

SHA256

f0e9959742704667a779343a3f852c1bb7d71fce9910c0d8112a97e757be61b0

Threat Level: Shows suspicious behavior

The file 040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Drops file in Program Files directory

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 07:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 07:32

Reported

2024-06-20 07:35

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe"

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60} C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Jmp C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Sys C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Jmp C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60} C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\ C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\Windows64.Sys" C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe" Z

Network

N/A

Files

memory/1096-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2820-1-0x0000000000400000-0x0000000000417000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 07:32

Reported

2024-06-20 07:35

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe"

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60} C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Jmp C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Jmp C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
File created C:\Program Files\Internet Explorer\PLUGINS\Windows64.Sys C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\Windows64.Sys" C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60} C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\ C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{56F9B9E2-1152-4DB9-93BE-4F5E848C7E60}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040f498e3cc3c3a709c37cdabb0b49ee_JaffaCakes118.exe" Z

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1272-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/4804-1-0x0000000000400000-0x0000000000417000-memory.dmp