Malware Analysis Report

2024-09-23 11:24

Sample ID 240614-x265nawgrl
Target 29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311
SHA256 29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311
Tags
bootkit evasion persistence trojan
score
9/10

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
9/10

SHA256

29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311

Threat Level: Likely malicious

The file 29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311 was found to be: Likely malicious.

Malicious Activity Summary

bootkit evasion persistence trojan

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

Checks BIOS information in registry

Identifies Wine through registry keys

Writes to the Master Boot Record (MBR)

Checks whether UAC is enabled

Unsigned PE

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 19:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 19:22

Reported

2024-06-14 19:24

Platform

win7-20240611-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe

"C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe"

Network

N/A

Files

memory/772-0-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-1-0x0000000000401000-0x000000000069D000-memory.dmp

memory/772-2-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-5-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-6-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-9-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-10-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-14-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-13-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-81-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/772-119-0x0000000000400000-0x0000000000C70000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 19:22

Reported

2024-06-14 19:24

Platform

win10v2004-20240611-en

Max time kernel

125s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.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\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe

"C:\Users\Admin\AppData\Local\Temp\29f003a446960afbdfa41627103f8d1280d422ff7444efb1de0e0a6265a85311.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4256,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=1284 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 10.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/2028-0-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-1-0x0000000000401000-0x000000000069D000-memory.dmp

memory/2028-6-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-9-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-12-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-45-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-50-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-55-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-80-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-82-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-81-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-89-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-102-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-109-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-120-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-123-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-124-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-125-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-126-0x0000000000400000-0x0000000000C70000-memory.dmp

memory/2028-127-0x0000000000400000-0x0000000000C70000-memory.dmp