Malware Analysis Report

2025-08-06 01:36

Sample ID 241016-3lwa4sshnm
Target 4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118
SHA256 7617c422fe1837ba06d336ebdce9ff053490760ce751b2457ed19d291245055b
Tags
bootkit 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

7617c422fe1837ba06d336ebdce9ff053490760ce751b2457ed19d291245055b

Threat Level: Shows suspicious behavior

The file 4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 23:36

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 23:36

Reported

2024-10-16 23:39

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Roaming\\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.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\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 www.google.com udp
GB 142.250.200.36:80 www.google.com tcp
US 8.8.8.8:53 36.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 www.ipaddresslocation.org udp
US 104.26.2.158:80 www.ipaddresslocation.org tcp
US 104.26.2.158:443 www.ipaddresslocation.org tcp
US 8.8.8.8:53 158.2.26.104.in-addr.arpa udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 5.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
GB 142.250.200.36:80 www.google.com tcp
US 8.8.8.8:53 43.229.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
GB 142.250.200.36:80 www.google.com tcp

Files

memory/1772-0-0x0000000000400000-0x000000000050D000-memory.dmp

memory/1772-2-0x0000000002240000-0x0000000002256000-memory.dmp

memory/1772-16-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-29-0x0000000002210000-0x0000000002211000-memory.dmp

memory/1772-28-0x0000000002150000-0x0000000002151000-memory.dmp

memory/1772-27-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-26-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-25-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-24-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-23-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-22-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-21-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-20-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-19-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-18-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-17-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-15-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-14-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-13-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-12-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-11-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-10-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-9-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-8-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-7-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-6-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-5-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-4-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-3-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-1-0x0000000002220000-0x0000000002221000-memory.dmp

memory/1772-32-0x0000000002120000-0x0000000002121000-memory.dmp

memory/1772-33-0x0000000002140000-0x0000000002141000-memory.dmp

memory/1772-35-0x00000000021C0000-0x00000000021C1000-memory.dmp

memory/1772-38-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1772-37-0x00000000022A0000-0x00000000022A1000-memory.dmp

memory/1772-36-0x0000000002180000-0x0000000002181000-memory.dmp

memory/1772-34-0x0000000002260000-0x0000000002261000-memory.dmp

memory/1772-41-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/1772-52-0x0000000002C70000-0x0000000002C71000-memory.dmp

memory/1772-51-0x0000000002C50000-0x0000000002C51000-memory.dmp

memory/1772-50-0x0000000002C30000-0x0000000002C31000-memory.dmp

memory/1772-49-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

memory/1772-48-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

memory/1772-47-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

memory/1772-46-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

memory/1772-45-0x0000000002C80000-0x0000000002C81000-memory.dmp

memory/1772-44-0x0000000002C90000-0x0000000002C91000-memory.dmp

memory/1772-42-0x0000000002C40000-0x0000000002C41000-memory.dmp

memory/1772-43-0x0000000002C60000-0x0000000002C61000-memory.dmp

memory/1772-40-0x00000000022B0000-0x00000000022B1000-memory.dmp

memory/1772-39-0x00000000022C0000-0x00000000022C1000-memory.dmp

memory/1772-53-0x0000000000400000-0x000000000050D000-memory.dmp

memory/1772-55-0x0000000002150000-0x0000000002151000-memory.dmp

memory/1772-66-0x0000000000400000-0x000000000050D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 23:36

Reported

2024-10-16 23:39

Platform

win7-20241010-en

Max time kernel

141s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Roaming\\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.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\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4fa3508374ea34a12c02b9c5cc8a7145_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
GB 142.250.200.36:80 www.google.com tcp
US 8.8.8.8:53 www.ipaddresslocation.org udp
US 172.67.74.244:80 www.ipaddresslocation.org tcp
US 172.67.74.244:443 www.ipaddresslocation.org tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
GB 142.250.200.36:80 www.google.com tcp
GB 142.250.200.36:80 www.google.com tcp

Files

memory/108-0-0x0000000000400000-0x000000000050D000-memory.dmp

memory/108-1-0x00000000006B0000-0x00000000006C6000-memory.dmp

memory/108-26-0x0000000002620000-0x0000000002621000-memory.dmp

memory/108-25-0x00000000006D0000-0x00000000006D1000-memory.dmp

memory/108-24-0x00000000027D0000-0x00000000027D1000-memory.dmp

memory/108-23-0x00000000027B0000-0x00000000027B1000-memory.dmp

memory/108-22-0x00000000027C0000-0x00000000027C1000-memory.dmp

memory/108-21-0x0000000002790000-0x0000000002791000-memory.dmp

memory/108-20-0x00000000027A0000-0x00000000027A1000-memory.dmp

memory/108-19-0x0000000002770000-0x0000000002771000-memory.dmp

memory/108-18-0x0000000002780000-0x0000000002781000-memory.dmp

memory/108-17-0x0000000000940000-0x0000000000941000-memory.dmp

memory/108-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/108-15-0x00000000002B0000-0x00000000002B1000-memory.dmp

memory/108-14-0x0000000000270000-0x0000000000271000-memory.dmp

memory/108-13-0x0000000000290000-0x0000000000291000-memory.dmp

memory/108-12-0x0000000000250000-0x0000000000251000-memory.dmp

memory/108-11-0x0000000000260000-0x0000000000261000-memory.dmp

memory/108-10-0x00000000006E0000-0x00000000006E1000-memory.dmp

memory/108-9-0x0000000000230000-0x0000000000231000-memory.dmp

memory/108-8-0x0000000000220000-0x0000000000221000-memory.dmp

memory/108-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/108-6-0x0000000000240000-0x0000000000250000-memory.dmp

memory/108-5-0x0000000000930000-0x0000000000931000-memory.dmp

memory/108-4-0x0000000000920000-0x0000000000921000-memory.dmp

memory/108-27-0x0000000000400000-0x000000000050D000-memory.dmp

memory/108-45-0x0000000000400000-0x000000000050D000-memory.dmp