Malware Analysis Report

2025-08-05 10:49

Sample ID 241017-bpyrvsthpa
Target 5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118
SHA256 a3a0ec56288b876d13dfcbf81ce6824c8b2a0ff432e84d1beeb4dcb26f7a981c
Tags
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

a3a0ec56288b876d13dfcbf81ce6824c8b2a0ff432e84d1beeb4dcb26f7a981c

Threat Level: Shows suspicious behavior

The file 5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 01:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 01:19

Reported

2024-10-17 01:22

Platform

win7-20241010-en

Max time kernel

149s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_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\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mybook.onlinewebshop.net udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp

Files

memory/2728-0-0x0000000000400000-0x0000000000607000-memory.dmp

memory/2728-1-0x0000000000130000-0x0000000000132000-memory.dmp

memory/2728-3-0x0000000000130000-0x0000000000132000-memory.dmp

memory/2728-2-0x0000000000400000-0x0000000000607000-memory.dmp

memory/2728-8-0x0000000000400000-0x0000000000607000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 01:19

Reported

2024-10-17 01:22

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_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\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5015b8854a7d58d13dd448ce7d7c2a4a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 mybook.onlinewebshop.net udp
N/A 127.0.0.1:80 tcp
N/A 224.0.0.251:5353 udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
N/A 127.0.0.1:1234 tcp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:1234 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
N/A 127.0.0.1:1234 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 mybook.onlinewebshop.net udp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp
N/A 127.0.0.1:80 tcp

Files

memory/832-0-0x0000000000400000-0x0000000000607000-memory.dmp

memory/832-1-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/832-3-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/832-2-0x0000000000400000-0x0000000000607000-memory.dmp

memory/832-5-0x0000000000400000-0x0000000000607000-memory.dmp

memory/832-7-0x0000000000400000-0x0000000000607000-memory.dmp

memory/832-9-0x0000000000400000-0x0000000000607000-memory.dmp

memory/832-11-0x0000000000400000-0x0000000000607000-memory.dmp