Malware Analysis Report

2025-08-10 22:41

Sample ID 250127-znppkawjcm
Target JaffaCakes118_4392d10ae26a7ea44622179d969c900b
SHA256 e375a54f7aaad589b5c9312f2954a0bb4d1aade0f2135a8c5d0977d6c57622c6
Tags
discovery persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

e375a54f7aaad589b5c9312f2954a0bb4d1aade0f2135a8c5d0977d6c57622c6

Threat Level: Shows suspicious behavior

The file JaffaCakes118_4392d10ae26a7ea44622179d969c900b was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 20:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 20:52

Reported

2025-01-28 09:24

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Manager = "C:\\Windows\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A
File opened for modification C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A
File created C:\Windows\iexbak.txt C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.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\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 7.98.51.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
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 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
CN 222.88.90.26:5567 udp
US 8.8.8.8:53 26.90.88.222.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4572-0-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4572-3-0x0000000000400000-0x0000000000421000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 20:52

Reported

2025-01-27 20:54

Platform

win7-20240903-en

Max time kernel

141s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System Manager = "C:\\Windows\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\iexbak.txt C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A
File created C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A
File opened for modification C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.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\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392d10ae26a7ea44622179d969c900b.exe"

Network

Country Destination Domain Proto
CN 222.88.90.26:5567 udp

Files

memory/2720-0-0x0000000000400000-0x0000000000421000-memory.dmp

memory/2720-3-0x0000000000400000-0x0000000000421000-memory.dmp