Malware Analysis Report

2025-03-14 22:36

Sample ID 240406-sc9r2acg7w
Target e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118
SHA256 e2ea35d00926d54f11091d68c5bb25b1daffb82e326e15788f463fa43d55df2b
Tags
bootkit 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

e2ea35d00926d54f11091d68c5bb25b1daffb82e326e15788f463fa43d55df2b

Threat Level: Shows suspicious behavior

The file e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 15:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 15:00

Reported

2024-04-06 15:02

Platform

win7-20240221-en

Max time kernel

31s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_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\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe"

Network

N/A

Files

memory/2088-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2088-1-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2088-2-0x0000000000400000-0x0000000000427000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 15:00

Reported

2024-04-06 15:02

Platform

win10v2004-20240226-en

Max time kernel

16s

Max time network

3s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_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\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2cbf6ec72aa80b1254083e26e8edf17_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp

Files

memory/3456-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/3456-1-0x0000000002270000-0x0000000002370000-memory.dmp

memory/3456-2-0x0000000000400000-0x0000000000427000-memory.dmp