Malware Analysis Report

2025-01-03 09:11

Sample ID 240620-nm23qaverc
Target 05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118
SHA256 c6ea6aced6b6a8722f70b44930e4e4e85ff18b80855cced7f8a4ea42e20d8a93
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

c6ea6aced6b6a8722f70b44930e4e4e85ff18b80855cced7f8a4ea42e20d8a93

Threat Level: Shows suspicious behavior

The file 05993c5de113e63ca2088e3d0f0384d9_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

2024-06-20 11:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 11:31

Reported

2024-06-20 11:34

Platform

win7-20240508-en

Max time kernel

0s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_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\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe"

Network

N/A

Files

memory/2904-0-0x0000000000402000-0x0000000000404000-memory.dmp

memory/2904-1-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 11:31

Reported

2024-06-20 11:31

Platform

win10v2004-20240611-en

Max time kernel

1s

Max time network

3s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_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\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05993c5de113e63ca2088e3d0f0384d9_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
GB 87.248.205.0:80 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp

Files

memory/2064-0-0x00000000005C0000-0x00000000005E0000-memory.dmp

memory/2064-1-0x0000000000402000-0x0000000000404000-memory.dmp

memory/2064-2-0x0000000000400000-0x000000000042A000-memory.dmp