Malware Analysis Report

2025-08-05 10:48

Sample ID 241017-a5sp4swemk
Target 4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118
SHA256 9b4e07ad6da1d27081d66de98603f6178dfd70b8d28dde2cefc74dab9f7f2999
Tags
upx bootkit discovery 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

9b4e07ad6da1d27081d66de98603f6178dfd70b8d28dde2cefc74dab9f7f2999

Threat Level: Shows suspicious behavior

The file 4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Enumerates connected drives

UPX packed file

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 00:48

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 00:48

Reported

2024-10-17 00:50

Platform

win7-20240903-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_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\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A

UPX packed file

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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\SAItest.txt C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_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\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 csc3-2004-crl.verisign.com udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp

Files

memory/2336-0-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-17-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-18-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-23-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-24-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-27-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2336-29-0x0000000000400000-0x0000000000477000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 00:48

Reported

2024-10-17 00:50

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_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\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2 C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2\Blob = 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 C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ff38c11f7eda0c7f3a3e2189232b917_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.clickpotato.tv udp
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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 5.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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

Files

memory/2256-0-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-5-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-6-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-8-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-9-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-10-0x0000000000400000-0x0000000000477000-memory.dmp

memory/2256-12-0x0000000000400000-0x0000000000477000-memory.dmp