Malware Analysis Report

2024-10-24 18:45

Sample ID 231016-w22dqsfa7z
Target NEAS.7a39d53bbe0665cb151b3bde806ff120.exe
SHA256 5632e3926aed69e3d3a6791f1dd82078dcd7c91d2869edba0c2bca6c5f2e8a24
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

5632e3926aed69e3d3a6791f1dd82078dcd7c91d2869edba0c2bca6c5f2e8a24

Threat Level: Known bad

The file NEAS.7a39d53bbe0665cb151b3bde806ff120.exe 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

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-16 18:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-16 18:25

Reported

2023-10-16 22:57

Platform

win7-20230831-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.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\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4} C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\ = "Broadcast Event Service" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InprocServer32\ = "C:\\Windows\\SysWOW64\\msvidctl.dll" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe"

Network

N/A

Files

memory/2064-0-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2064-1-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/2064-7-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/2064-10-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2064-11-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2064-12-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2064-13-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/2064-14-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/2064-15-0x0000000000400000-0x000000000060C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-16 18:25

Reported

2023-10-16 22:58

Platform

win10v2004-20230915-en

Max time kernel

136s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.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\NEAS.7a39d53bbe0665cb151b3bde806ff120.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\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4} C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\ = "IE Microsoft BrowserBand" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InProcServer32\ = "C:\\Windows\\SysWOW64\\ieframe.dll" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FA993F4-4E7A-0C80-72CF-F13FD1333FB4}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.7a39d53bbe0665cb151b3bde806ff120.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/2764-0-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2764-2-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-9-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-8-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-12-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-13-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2764-14-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2764-15-0x0000000000400000-0x000000000060C000-memory.dmp

memory/2764-16-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-17-0x0000000002910000-0x0000000002B1C000-memory.dmp

memory/2764-18-0x0000000000400000-0x000000000060C000-memory.dmp