Malware Analysis Report

2025-08-06 02:51

Sample ID 241015-y24j7svdjg
Target 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118
SHA256 a33b1a0e0b70ee3c311717bdfe0ff5ffb85d3160186f595c48b4b49c51c563f2
Tags
discovery persistence credential_access spyware stealer
score
7/10

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
7/10

SHA256

a33b1a0e0b70ee3c311717bdfe0ff5ffb85d3160186f595c48b4b49c51c563f2

Threat Level: Shows suspicious behavior

The file 49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence credential_access spyware stealer

Reads user/profile data of web browsers

Checks computer location settings

Credentials from Password Stores: Windows Credential Manager

Executes dropped EXE

Enumerates connected drives

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Browser Information Discovery

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 20:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 20:17

Reported

2024-10-15 20:20

Platform

win7-20240903-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\smss.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\smss = "C:\\smss.exe" C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\smss.exe N/A
File opened (read-only) \??\B: C:\smss.exe N/A

Enumerates physical storage devices

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\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\smss.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"

C:\smss.exe

"C:\smss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 massaka.ath.cx udp

Files

C:\smss.exe

MD5 58e4a5b93a533b88d14a4356b975b6ff
SHA1 7ab82768fd4556f3037f7258e02f5bbcbb1a1e1c
SHA256 f09da3978ebc8a1293b5aeb4b94598d1370f79ac393cb2671fb50c15a326dc45
SHA512 9ac69f521d6f54c0372869863a0e6582955723e0cfb5a24eec9557cdb3f11317cbadea7143e810e6a17cb1f30923bfca4d4adae780f396c7328408fa176c66f5

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 20:17

Reported

2024-10-15 20:20

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A

Credentials from Password Stores: Windows Credential Manager

credential_access stealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\smss.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\smss = "C:\\smss.exe" C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\smss.exe N/A
File opened (read-only) \??\B: C:\smss.exe N/A

Browser Information Discovery

discovery

Enumerates physical storage devices

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\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\smss.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\smss.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49d01a61cf81e426ddf6a7b986c45ea6_JaffaCakes118.exe"

C:\smss.exe

"C:\smss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp
US 8.8.8.8:53 massaka.ath.cx udp

Files

C:\smss.exe

MD5 58e4a5b93a533b88d14a4356b975b6ff
SHA1 7ab82768fd4556f3037f7258e02f5bbcbb1a1e1c
SHA256 f09da3978ebc8a1293b5aeb4b94598d1370f79ac393cb2671fb50c15a326dc45
SHA512 9ac69f521d6f54c0372869863a0e6582955723e0cfb5a24eec9557cdb3f11317cbadea7143e810e6a17cb1f30923bfca4d4adae780f396c7328408fa176c66f5