Malware Analysis Report

2024-10-16 03:32

Sample ID 240805-yclm4awekq
Target 214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e
SHA256 214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e
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

214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e

Threat Level: Known bad

The file 214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e 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

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 19:38

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-05 19:38

Reported

2024-08-05 19:41

Platform

win7-20240708-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\Class = "Microsoft.Office.Interop.Access.AllDatabaseDiagramsClass" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0 C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\Class = "Microsoft.Office.Interop.Access.AllDatabaseDiagramsClass" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe
PID 2024 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe"

C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe"

Network

N/A

Files

memory/1720-1-0x0000000000400000-0x000000000094A000-memory.dmp

memory/2024-0-0x0000000000400000-0x000000000094A000-memory.dmp

memory/2024-2-0x0000000002690000-0x0000000002BDA000-memory.dmp

memory/1720-3-0x000000000064A000-0x000000000064B000-memory.dmp

memory/1720-4-0x00000000027B0000-0x00000000029BD000-memory.dmp

memory/1720-10-0x00000000027B0000-0x00000000029BD000-memory.dmp

memory/1720-11-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-16-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-18-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-19-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-22-0x0000000003DC0000-0x0000000003DD1000-memory.dmp

memory/1720-20-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-17-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-21-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-23-0x0000000000400000-0x000000000094A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Settings.INI

MD5 fd04545e80404e029a2b35d35d2604c1
SHA1 73152e9237fdf1833da5778cac6647d9614ad1ba
SHA256 944cf574065ef43c2351aac8d4d3e63846fe81af5890f122ba91a62d134181cd
SHA512 07b70b1b0bbcb7da99ff2fb6cda2a14123960c19f564b4ba8dcedbead6827ae9d0645f3d28e6f574d6afa7f5d70590ee55e2c67406261fd80403133d353e7ec8

memory/1720-26-0x00000000027B0000-0x00000000029BD000-memory.dmp

memory/1720-25-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-34-0x00000000027B0000-0x00000000029BD000-memory.dmp

memory/2024-38-0x0000000000400000-0x000000000094A000-memory.dmp

memory/1720-39-0x0000000000400000-0x000000000094A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 19:38

Reported

2024-08-05 19:41

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\ = "C:\\Windows\\SysWOW64\\oleaut32.dll" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.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\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ = "PSTypeInfo" C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe"

C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe

"C:\Users\Admin\AppData\Local\Temp\214f3aab13b7cd418dc06e76f83126cd3fdc4cae7faa5329614af6690dbd8f9e.exe"

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 13.107.22.237:443 g.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.22.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/228-1-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-3-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-4-0x0000000002D00000-0x0000000002F0D000-memory.dmp

memory/3596-10-0x0000000002D00000-0x0000000002F0D000-memory.dmp

memory/3596-16-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-21-0x0000000003590000-0x00000000035A1000-memory.dmp

memory/3596-19-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-17-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-15-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-18-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-20-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-25-0x0000000002D00000-0x0000000002F0D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Settings.INI

MD5 fd04545e80404e029a2b35d35d2604c1
SHA1 73152e9237fdf1833da5778cac6647d9614ad1ba
SHA256 944cf574065ef43c2351aac8d4d3e63846fe81af5890f122ba91a62d134181cd
SHA512 07b70b1b0bbcb7da99ff2fb6cda2a14123960c19f564b4ba8dcedbead6827ae9d0645f3d28e6f574d6afa7f5d70590ee55e2c67406261fd80403133d353e7ec8

memory/3596-24-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-22-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-33-0x0000000002D00000-0x0000000002F0D000-memory.dmp

memory/228-36-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-37-0x0000000000400000-0x000000000094A000-memory.dmp

memory/3596-38-0x0000000002D00000-0x0000000002F0D000-memory.dmp