Malware Analysis Report

2025-08-10 22:40

Sample ID 250127-sccgjavkcj
Target JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2
SHA256 e6018521e0b9d4e6b635a26b8f4ac296eb9736ea7c2f7f7ccc8174900bdd82a7
Tags
defense_evasion discovery persistence
score
10/10

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
10/10

SHA256

e6018521e0b9d4e6b635a26b8f4ac296eb9736ea7c2f7f7ccc8174900bdd82a7

Threat Level: Known bad

The file JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2 was found to be: Known bad.

Malicious Activity Summary

defense_evasion discovery persistence

Modifies security service

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 14:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 14:58

Reported

2025-01-27 15:00

Platform

win7-20240903-en

Max time kernel

0s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

Signatures

Modifies security service

defense_evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" C:\Windows\msconfig32x.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" C:\Windows\msconfig32x.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\msconfig32x.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\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunServices\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\msconfig32x.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A
File opened for modification C:\Windows\msconfig32x.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A
File opened for modification C:\Windows\127.0.200.200 update.msiservers.lan C:\Windows\msconfig32x.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_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\msconfig32x.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

C:\Windows\msconfig32x.exe

C:\Windows\msconfig32x.exe 456 "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

Network

N/A

Files

C:\Windows\msconfig32x.exe

MD5 40c02b9f1d72c8c360c7870305d4e6c2
SHA1 bd44acb510371311ce4ce983db4a6705651b7691
SHA256 e6018521e0b9d4e6b635a26b8f4ac296eb9736ea7c2f7f7ccc8174900bdd82a7
SHA512 0894d4167a2ef386f138859f46febbe419c1f64ac2f577925b027c1c036e8a76e527351c5dab019a2069605b0ea8e4235a6ac1cb35f841fc59fea0352c638544

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 14:58

Reported

2025-01-28 02:42

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

Signatures

Modifies security service

defense_evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" C:\Windows\msconfig32x.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" C:\Windows\msconfig32x.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\msconfig32x.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\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices\Intec Service Drivers = "msconfig32x.exe" C:\Windows\msconfig32x.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\msconfig32x.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A
File opened for modification C:\Windows\msconfig32x.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A
File opened for modification C:\Windows\127.0.200.200 update.msiservers.lan C:\Windows\msconfig32x.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\msconfig32x.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A
N/A N/A C:\Windows\msconfig32x.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\msconfig32x.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

C:\Windows\msconfig32x.exe

C:\Windows\msconfig32x.exe 1060 "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40c02b9f1d72c8c360c7870305d4e6c2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 5.114.82.104.in-addr.arpa udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 blackboy.ez.no udp
US 8.8.8.8:53 irc.velke-joske.be udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

C:\Windows\msconfig32x.exe

MD5 40c02b9f1d72c8c360c7870305d4e6c2
SHA1 bd44acb510371311ce4ce983db4a6705651b7691
SHA256 e6018521e0b9d4e6b635a26b8f4ac296eb9736ea7c2f7f7ccc8174900bdd82a7
SHA512 0894d4167a2ef386f138859f46febbe419c1f64ac2f577925b027c1c036e8a76e527351c5dab019a2069605b0ea8e4235a6ac1cb35f841fc59fea0352c638544