Malware Analysis Report

2024-09-23 13:13

Sample ID 240612-s2eyystgll
Target 9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba
SHA256 9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba
Tags
bootkit evasion persistence trojan
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba

Threat Level: Shows suspicious behavior

The file 9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit evasion persistence trojan

Checks whether UAC is enabled

Writes to the Master Boot Record (MBR)

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-12 15:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 15:36

Reported

2024-06-12 15:39

Platform

win7-20240611-en

Max time kernel

132s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe 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\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode\MachineGuid = "15324EEEACF30C284E6F80172A27AD37" C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe

"C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 wup.imtt.qq.com udp
HK 43.154.240.161:8080 wup.imtt.qq.com tcp
US 8.8.8.8:53 pcwup.imtt.qq.com udp
CN 14.22.9.100:80 pcwup.imtt.qq.com tcp
CN 183.47.104.158:80 pcwup.imtt.qq.com tcp
CN 183.47.126.106:80 pcwup.imtt.qq.com tcp
US 8.8.8.8:53 wup.browser.qq.com udp
HK 129.226.106.211:443 wup.browser.qq.com tcp
CN 14.22.9.100:80 pcwup.imtt.qq.com tcp
CN 183.47.104.158:80 pcwup.imtt.qq.com tcp
CN 183.47.126.106:80 pcwup.imtt.qq.com tcp
HK 129.226.106.211:443 wup.browser.qq.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 15:36

Reported

2024-06-12 15:39

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

59s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe 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\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\SEBrowserMachineCode C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\SEBrowserMachineCode\MachineGuid = "EF4C98D9E841ADD9AD451F14DEAA2F5E" C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe

"C:\Users\Admin\AppData\Local\Temp\9a6f307ed4a8d7cc4a90a36e31b0cf0bfafc401c75c01c3c4e2583972e8db5ba.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 wup.imtt.qq.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 pcwup.imtt.qq.com udp
US 8.8.8.8:53 wup.imtt.qq.com udp
US 8.8.8.8:53 wup.browser.qq.com udp
US 8.8.8.8:53 wup.imtt.qq.com udp

Files

N/A