Malware Analysis Report

2025-03-14 23:13

Sample ID 240407-xch2jabf52
Target e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118
SHA256 7817e45e7a1217fe75e2b2f894447257930b729ac7631713b02f2b27b176fac4
Tags
persistence
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

7817e45e7a1217fe75e2b2f894447257930b729ac7631713b02f2b27b176fac4

Threat Level: Shows suspicious behavior

The file e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:42

Reported

2024-04-07 18:44

Platform

win7-20240220-en

Max time kernel

141s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Arquivos de programas\\WindowsUpdate.scr" C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\reg_0011.txt C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 alt2.gmail-smtp-in.l.google.com udp
NL 142.251.9.26:25 alt2.gmail-smtp-in.l.google.com tcp

Files

memory/2016-0-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2016-1-0x0000000000230000-0x0000000000232000-memory.dmp

memory/2016-2-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2016-3-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2016-5-0x0000000000230000-0x0000000000232000-memory.dmp

memory/2016-6-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2016-7-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2016-9-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2016-10-0x0000000000400000-0x0000000000DA9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:42

Reported

2024-04-07 18:45

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Arquivos de programas\\WindowsUpdate.scr" C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\reg_0011.txt C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e59ac06574a902d67d53b6a78a1fe601_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 alt2.gmail-smtp-in.l.google.com udp
NL 142.251.9.26:25 alt2.gmail-smtp-in.l.google.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 72.239.69.13.in-addr.arpa udp

Files

memory/2008-0-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2008-1-0x0000000000DC0000-0x0000000000DC2000-memory.dmp

memory/2008-2-0x0000000002C40000-0x0000000002C41000-memory.dmp

memory/2008-3-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2008-5-0x0000000000DC0000-0x0000000000DC2000-memory.dmp

memory/2008-6-0x0000000002C40000-0x0000000002C41000-memory.dmp

memory/2008-7-0x0000000000400000-0x0000000000DA9000-memory.dmp

memory/2008-8-0x0000000000400000-0x0000000000DA9000-memory.dmp