Malware Analysis Report

2024-10-16 03:33

Sample ID 240402-2whx4aga6s
Target 7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4
SHA256 7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4
Tags
banload 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

7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4

Threat Level: Known bad

The file 7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4 was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper evasion trojan

Banload

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

Checks BIOS information in registry

Unsigned PE

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 22:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 22:55

Reported

2024-04-02 22:58

Platform

win7-20240221-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.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\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.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\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ = "%CommonProgramFiles(x86)%\\Microsoft Shared\\DAO\\dao360.dll" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Assembly = "dao, Version=10.0.4504.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\RuntimeVersion = "v1.0.3705" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\ProgID\ = "DAO.Field.36" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\ = "DAO.Field.36" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Class = "dao.FieldClass" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\ProgID C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe
PID 1740 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe"

C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe"

Network

N/A

Files

memory/1740-0-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/2136-2-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/2136-1-0x0000000003970000-0x0000000003B7C000-memory.dmp

memory/1740-5-0x0000000002B10000-0x000000000356F000-memory.dmp

memory/2136-9-0x0000000003970000-0x0000000003B7C000-memory.dmp

memory/1740-12-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/2136-13-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/2136-14-0x0000000003970000-0x0000000003B7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 22:55

Reported

2024-04-02 22:58

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.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\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.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\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\ = "DfMarshal" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ = "coml2.dll" C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe"

C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.exe

"C:\Users\Admin\AppData\Local\Temp\7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4.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 --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/4720-0-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/960-3-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/960-4-0x0000000005190000-0x000000000539C000-memory.dmp

memory/960-10-0x0000000005190000-0x000000000539C000-memory.dmp

memory/4720-13-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/960-14-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/960-15-0x0000000005190000-0x000000000539C000-memory.dmp