Malware Analysis Report

2025-06-16 03:39

Sample ID 240526-jvg1ascg24
Target 78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050
SHA256 78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050
Tags
bootkit evasion persistence trojan upx
score
9/10

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
9/10

SHA256

78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050

Threat Level: Likely malicious

The file 78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050 was found to be: Likely malicious.

Malicious Activity Summary

bootkit evasion persistence trojan upx

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

UPX packed file

Checks whether UAC is enabled

Writes to the Master Boot Record (MBR)

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 07:59

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 07:59

Reported

2024-05-26 08:01

Platform

win7-20240221-en

Max time kernel

141s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

UPX packed file

upx
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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\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.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\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe

"C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 share.weiyun.com udp
HK 43.129.2.69:443 share.weiyun.com tcp
HK 43.129.2.69:443 share.weiyun.com tcp

Files

memory/2264-0-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/2264-1-0x00000000771F0000-0x00000000771F2000-memory.dmp

memory/2264-3-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/2264-5-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/2264-4-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/2264-8-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-7-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-10-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-6-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-36-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-51-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-50-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-46-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-42-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-34-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-32-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-31-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-28-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-24-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-20-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-18-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-16-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-12-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-52-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/2264-54-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2264-56-0x0000000000400000-0x0000000000DF4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 07:59

Reported

2024-05-26 08:01

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.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\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe

"C:\Users\Admin\AppData\Local\Temp\78bbdc7efd2afa13ba43476c04afbe99108a1fd86a33923bc388ee569e090050.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 share.weiyun.com udp
HK 43.159.233.95:443 share.weiyun.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 95.233.159.43.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
CN 103.91.210.232:63546 tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
CN 103.91.210.232:63546 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3620-0-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-1-0x0000000077A84000-0x0000000077A86000-memory.dmp

memory/3620-5-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-3-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-4-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-35-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-42-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-51-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-50-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-46-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-36-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-33-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-30-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-28-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-24-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-20-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-18-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-16-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-12-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-10-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-7-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-6-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-8-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-52-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-54-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3620-55-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-57-0x0000000000400000-0x0000000000DF4000-memory.dmp

memory/3620-62-0x0000000000400000-0x0000000000DF4000-memory.dmp