Malware Analysis Report

2024-10-16 03:30

Sample ID 240805-g72jcsyflp
Target ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d
SHA256 ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d
Tags
banload discovery downloader dropper evasion trojan
score
10/10

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
10/10

SHA256

ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d

Threat Level: Known bad

The file ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d was found to be: Known bad.

Malicious Activity Summary

banload discovery downloader dropper evasion trojan

Banload

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

Checks BIOS information in registry

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 06:27

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-05 06:27

Reported

2024-08-05 06:30

Platform

win7-20240704-en

Max time kernel

15s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

Signatures

Banload

trojan dropper downloader banload

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\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.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\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ = "Object under which scriptlets may be created" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\ = "C:\\Windows\\SysWOW64\\scrobj.dll" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ProgID C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ProgID\ = "Scriptlet.Context" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe
PID 2056 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

Network

N/A

Files

memory/2056-0-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-1-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-8-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/3012-11-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2056-4-0x00000000025E0000-0x0000000002A76000-memory.dmp

memory/3012-2-0x0000000002820000-0x0000000002A2D000-memory.dmp

memory/3012-10-0x0000000002820000-0x0000000002A2D000-memory.dmp

memory/3012-16-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-17-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-20-0x0000000003450000-0x0000000003470000-memory.dmp

memory/3012-19-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-18-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3012-21-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2056-22-0x0000000000400000-0x0000000000896000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 06:27

Reported

2024-08-05 06:30

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

Signatures

Banload

trojan dropper downloader banload

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\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.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\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ = "Immersive Window Message Service" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InProcServer32\ = "%SystemRoot%\\SysWow64\\twinui.dll" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InProcServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe

"C:\Users\Admin\AppData\Local\Temp\ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3416-0-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-3-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-4-0x0000000002CF0000-0x0000000002EFD000-memory.dmp

memory/636-10-0x0000000002CF0000-0x0000000002EFD000-memory.dmp

memory/636-15-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-19-0x00000000033A0000-0x00000000033C0000-memory.dmp

memory/636-18-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-17-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-16-0x0000000000400000-0x0000000000896000-memory.dmp

memory/3416-20-0x0000000000400000-0x0000000000896000-memory.dmp

memory/636-22-0x0000000002CF0000-0x0000000002EFD000-memory.dmp

memory/636-21-0x0000000000400000-0x0000000000896000-memory.dmp