Malware Analysis Report

2024-10-24 18:44

Sample ID 231103-n1l9eshg5s
Target 2023-10-31_file_to_be_scanned.zip
SHA256 417e0089f9d9d81e8803c9e71ed8448ddc30a359cee34304048825d9caae9529
Tags
banload downloader dropper 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

417e0089f9d9d81e8803c9e71ed8448ddc30a359cee34304048825d9caae9529

Threat Level: Known bad

The file 2023-10-31_file_to_be_scanned.zip was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper trojan

Banload

Checks BIOS information in registry

Enumerates physical storage devices

Unsigned PE

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-03 11:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-03 11:51

Reported

2023-11-03 11:55

Platform

win7-20231020-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NC16.exe"

Signatures

Banload

trojan dropper downloader banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61} C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\ = "OutlookMessageMoniker" C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\InprocServer32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\OUTLRPC.DLL" C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NC16.exe

"C:\Users\Admin\AppData\Local\Temp\NC16.exe"

Network

N/A

Files

memory/2752-0-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-1-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-8-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-13-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-14-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-15-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-16-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-20-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-21-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-22-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-24-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-27-0x0000000003280000-0x00000000033F0000-memory.dmp

memory/2752-29-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/2752-30-0x0000000003280000-0x00000000033F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-03 11:51

Reported

2023-11-03 11:55

Platform

win10v2004-20231020-en

Max time kernel

137s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NC16.exe"

Signatures

Banload

trojan dropper downloader banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61} C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\ = "Shared Memory Stream Marshaller" C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\InProcHandler32 C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A64FB64-EF82-F4D4-8501-54B0C04E1E61}\InProcHandler32\ = "%SystemRoot%\\SysWow64\\shcore.dll" C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NC16.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NC16.exe

"C:\Users\Admin\AppData\Local\Temp\NC16.exe"

Network

Country Destination Domain Proto
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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

memory/3288-1-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-2-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-9-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-14-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-15-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-16-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-17-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-21-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-22-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-24-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-25-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-27-0x0000000003530000-0x00000000036A0000-memory.dmp

memory/3288-28-0x0000000000400000-0x00000000010BA000-memory.dmp

memory/3288-29-0x0000000003530000-0x00000000036A0000-memory.dmp