Malware Analysis Report

2025-03-15 05:52

Sample ID 240627-y4xvfa1dmm
Target 1764e61a73e3c70eea70d11e1038f620_JaffaCakes118
SHA256 da1fc973fbcbf4aed6522d31d4ecf3c6aeb2d9533b463a8cb84dd6a3bb20eb11
Tags
vmprotect bootkit persistence
score
7/10

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
7/10

SHA256

da1fc973fbcbf4aed6522d31d4ecf3c6aeb2d9533b463a8cb84dd6a3bb20eb11

Threat Level: Shows suspicious behavior

The file 1764e61a73e3c70eea70d11e1038f620_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect bootkit persistence

VMProtect packed file

Writes to the Master Boot Record (MBR)

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 20:20

Signatures

VMProtect packed file

vmprotect
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

2024-06-27 20:20

Reported

2024-06-27 20:23

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe"

Signatures

VMProtect packed file

vmprotect
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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe"

Network

N/A

Files

memory/1728-0-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/1728-1-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/1728-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 20:20

Reported

2024-06-27 20:23

Platform

win10v2004-20240508-en

Max time kernel

120s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe"

Signatures

VMProtect packed file

vmprotect
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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1764e61a73e3c70eea70d11e1038f620_JaffaCakes118.exe"

Network

Files

memory/2056-0-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2056-1-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2056-4-0x0000000000400000-0x00000000004C9000-memory.dmp