Malware Analysis Report

2025-08-10 20:10

Sample ID 250518-mqsg1sbn6t
Target JaffaCakes118_06aab0c168e0369b9df25aec80c6628c
SHA256 27be4618d0c940826e37467715b71f64081a8dd9dbe2dfef98334e9531d2fd21
Tags
discovery ransomware upx
score
5/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
5/10

SHA256

27be4618d0c940826e37467715b71f64081a8dd9dbe2dfef98334e9531d2fd21

Threat Level: Likely benign

The file JaffaCakes118_06aab0c168e0369b9df25aec80c6628c was found to be: Likely benign.

Malicious Activity Summary

discovery ransomware upx

Sets desktop wallpaper using registry

UPX packed file

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Modifies Control Panel

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-18 10:40

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-18 10:40

Reported

2025-05-18 10:43

Platform

win10v2004-20250502-en

Max time kernel

103s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe"

Signatures

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\97_156.bmp" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe N/A

UPX packed file

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\97_156.bmp C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.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_06aab0c168e0369b9df25aec80c6628c.exe N/A

Modifies Control Panel

defense_evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\Control Panel\Desktop C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\Control Panel\Desktop\TileWallpaper = "0" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\Control Panel\Desktop\WallpaperStyle = "2" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06aab0c168e0369b9df25aec80c6628c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
GB 2.18.27.82:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp

Files

memory/2576-0-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2576-2-0x0000000000400000-0x000000000046D000-memory.dmp