Malware Analysis Report

2025-08-06 01:37

Sample ID 241016-16gmcazapq
Target 4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118
SHA256 e1fc8dbace4ff7a9d0fa5e4dafe6d76315a8445a549e2b7157e523b9304a03b8
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

e1fc8dbace4ff7a9d0fa5e4dafe6d76315a8445a549e2b7157e523b9304a03b8

Threat Level: Shows suspicious behavior

The file 4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx bootkit discovery persistence

Enumerates connected drives

Writes to the Master Boot Record (MBR)

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 22:15

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

2024-10-16 22:15

Reported

2024-10-16 22:18

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_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\4f50aa6452d6e1f5acf822ef32e90b06_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

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\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp

Files

memory/1640-0-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1640-1-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1640-2-0x0000000000400000-0x0000000000474000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 22:15

Reported

2024-10-16 22:18

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_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\4f50aa6452d6e1f5acf822ef32e90b06_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

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\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f50aa6452d6e1f5acf822ef32e90b06_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 tei.fivemillionfriends.com udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/3700-0-0x0000000000400000-0x0000000000474000-memory.dmp

memory/3700-1-0x0000000000400000-0x0000000000474000-memory.dmp

memory/3700-2-0x0000000000400000-0x0000000000474000-memory.dmp