Malware Analysis Report

2024-10-16 03:31

Sample ID 240826-vrexbawhrr
Target 9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe
SHA256 9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363
Tags
banload downloader dropper evasion trojan persistence privilege_escalation
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

9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363

Threat Level: Known bad

The file 9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper evasion trojan persistence privilege_escalation

Banload

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

Checks BIOS information in registry

Event Triggered Execution: Component Object Model Hijacking

Suspicious use of AdjustPrivilegeToken

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-26 17:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-26 17:13

Reported

2024-08-26 17:15

Platform

win7-20240705-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.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\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.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\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ExtendedErrors\{00000542-0000-0010-8000-00AA006D2EA4}\ = "ADO Error Lookup" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3} C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ = "ADO 6.0" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ExtendedErrors C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ExtendedErrors\ = "Extended Error Service" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ExtendedErrors\{00000542-0000-0010-8000-00AA006D2EA4} C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe

"C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe"

Network

N/A

Files

memory/2208-0-0x0000000003C20000-0x0000000003E08000-memory.dmp

memory/2208-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/2208-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-26 17:13

Reported

2024-08-26 17:15

Platform

win10v2004-20240802-en

Max time kernel

138s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.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\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.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\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A

Event Triggered Execution: Component Object Model Hijacking

persistence privilege_escalation

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InProcServer32\ = "%SystemRoot%\\system32\\shell32.dll" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3} C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ = "LocalCopyHelper" C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.exe

"C:\Users\Admin\AppData\Local\Temp\9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3876-1-0x0000000004010000-0x00000000041F8000-memory.dmp

memory/3876-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

memory/3876-19-0x0000000000400000-0x0000000001CF7000-memory.dmp