Malware Analysis Report

2024-10-24 18:44

Sample ID 231024-e4et3scc42
Target 33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b
SHA256 33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b
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: 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

33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b

Threat Level: Known bad

The file 33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper trojan

Banload

Checks BIOS information in registry

Unsigned PE

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-24 04:29

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-24 04:29

Reported

2023-10-24 04:32

Platform

win10v2004-20231020-en

Max time kernel

142s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.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\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InProcServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584} C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\ = "CCellularExternalEventHelper" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InProcServer32\ = "C:\\Windows\\SysWOW64\\MbaeApi.dll" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe

"C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 126.179.238.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/3008-0-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-2-0x0000000002940000-0x0000000002B41000-memory.dmp

memory/3008-8-0x0000000002940000-0x0000000002B41000-memory.dmp

memory/3008-13-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-14-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-15-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-16-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-17-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-18-0x0000000002940000-0x0000000002B41000-memory.dmp

memory/3008-20-0x0000000002940000-0x0000000002B41000-memory.dmp

memory/3008-22-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/3008-24-0x0000000000400000-0x00000000006AA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-24 04:29

Reported

2023-10-24 04:32

Platform

win7-20231023-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.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\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\BCSRuntime.dll" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\ProgID C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\ProgID\ = "BCSRuntime.AsyncAppartmentCallback.1" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\TypeLib\ = "{98F9F0CA-527D-4b2a-944A-1B99E18670A7}" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\VersionIndependentProgID\ = "BCSRuntime.AsyncAppartmentCallback" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584} C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\ = "AsyncAppartmentCallback" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\TypeLib C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{54659997-AE7E-9524-DC29-D79920BCD584}\VersionIndependentProgID C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe

"C:\Users\Admin\AppData\Local\Temp\33ddf17e4bb2b8f61a58f4eb88461bc0e97b63f708d076e5daea22394c88d12b.exe"

Network

N/A

Files

memory/1964-1-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-0-0x00000000025B0000-0x00000000027B1000-memory.dmp

memory/1964-7-0x00000000025B0000-0x00000000027B1000-memory.dmp

memory/1964-12-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-13-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-14-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-15-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-16-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-17-0x00000000025B0000-0x00000000027B1000-memory.dmp

memory/1964-19-0x00000000020D0000-0x00000000020D1000-memory.dmp

memory/1964-20-0x00000000025B0000-0x00000000027B1000-memory.dmp

memory/1964-22-0x0000000000400000-0x00000000006AA000-memory.dmp

memory/1964-24-0x0000000000400000-0x00000000006AA000-memory.dmp