Malware Analysis Report

2025-01-03 09:24

Sample ID 240620-qr1rkazenc
Target 066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118
SHA256 753d6aab072f55bfb8fbdca84fd4fb3ce345914b666e3670fb28abf2bf265311
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

753d6aab072f55bfb8fbdca84fd4fb3ce345914b666e3670fb28abf2bf265311

Threat Level: Shows suspicious behavior

The file 066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 13:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 13:30

Reported

2024-06-20 13:33

Platform

win7-20240611-en

Max time kernel

0s

Max time network

1s

Command Line

"C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_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\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe"

Network

N/A

Files

memory/2104-0-0x0000000000409000-0x000000000040C000-memory.dmp

memory/2104-1-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2104-2-0x0000000000400000-0x0000000000440000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 13:30

Reported

2024-06-20 13:33

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\066f97cc3e6172a70960c313c0de5aa8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1184 -ip 1184

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 476

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A