Malware Analysis Report

2025-04-14 00:49

Sample ID 240530-re76jscc62
Target 846a586a176c8f7f696666fa631b9fb4_JaffaCakes118
SHA256 c51095e00f1b419a8c6e604b69d48a298414862100997058e53c3228224e8dc3
Tags
persistence
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

c51095e00f1b419a8c6e604b69d48a298414862100997058e53c3228224e8dc3

Threat Level: Shows suspicious behavior

The file 846a586a176c8f7f696666fa631b9fb4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 14:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 14:07

Reported

2024-05-30 14:10

Platform

win7-20240221-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 14:07

Reported

2024-05-30 14:10

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

Processes

C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\846a586a176c8f7f696666fa631b9fb4_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 discordapp.com udp
US 162.159.129.233:443 discordapp.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 233.129.159.162.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
NL 23.62.61.121:443 www.bing.com tcp
US 8.8.8.8:53 121.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

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

MD5 846a586a176c8f7f696666fa631b9fb4
SHA1 dfdfc06d82dbc2652d9c1c15fb93155d0be91ee1
SHA256 c51095e00f1b419a8c6e604b69d48a298414862100997058e53c3228224e8dc3
SHA512 7d98809ea280d25581323fff1457c59517db54e1226295432f49420ab6464fee61b1c6bb1ddd6b040528c9cee8f0835e9a11f6e0eb5a8d859ae145ecbcaf6930