Malware Analysis Report

2024-10-16 03:31

Sample ID 240920-efhk3axbpb
Target 57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93
SHA256 57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93

Threat Level: Known bad

The file 57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93 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

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-20 03:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 03:52

Reported

2024-09-20 03:55

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\ = "SpSapiPalSettings" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\ = "C:\\Windows\\SysWOW64\\Speech_OneCore\\Common\\Windows.Speech.Pal.Desktop.dll" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8} C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe

"C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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=3996,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4608-0-0x0000000000400000-0x000000000071B000-memory.dmp

memory/4608-2-0x0000000002B30000-0x0000000002D3C000-memory.dmp

memory/4608-9-0x0000000002B30000-0x0000000002D3C000-memory.dmp

memory/4608-12-0x0000000000400000-0x000000000071B000-memory.dmp

memory/4608-13-0x0000000000400000-0x000000000071B000-memory.dmp

memory/4608-14-0x0000000002B30000-0x0000000002D3C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 03:52

Reported

2024-09-20 03:55

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.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\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\Assembly = "Microsoft.Office.Interop.Word, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\Class = "Microsoft.Office.Interop.Word.FontClass" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Office.Interop.Word, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\14.0.0.0 C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\14.0.0.0\Class = "Microsoft.Office.Interop.Word.FontClass" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8} C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7D5945AD-4445-D223-00B3-6C6EE4B363E8}\InprocServer32\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe

"C:\Users\Admin\AppData\Local\Temp\57962b59a9dceb06f1a9a4d3815f129fdb15966bcac93a7c7ff067ddd0745c93.exe"

Network

N/A

Files

memory/2524-0-0x00000000026A0000-0x00000000028AC000-memory.dmp

memory/2524-7-0x0000000000400000-0x000000000071B000-memory.dmp

memory/2524-8-0x00000000026A0000-0x00000000028AC000-memory.dmp

memory/2524-11-0x0000000000400000-0x000000000071B000-memory.dmp

memory/2524-12-0x00000000026A0000-0x00000000028AC000-memory.dmp

memory/2524-13-0x0000000000400000-0x000000000071B000-memory.dmp