Malware Analysis Report

2024-10-24 18:44

Sample ID 231031-sxdkbscd58
Target a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6
SHA256 a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6
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

a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6

Threat Level: Known bad

The file a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6 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

2023-10-31 15:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-31 15:29

Reported

2023-10-31 15:36

Platform

win7-20231020-en

Max time kernel

118s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.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\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InprocServer32\ = "C:\\Windows\\SysWOW64\\CPFilters.dll" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3} C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\ = "PBDA DTFilter" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe

"C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe"

Network

N/A

Files

memory/1364-0-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-1-0x0000000002470000-0x0000000002671000-memory.dmp

memory/1364-7-0x0000000002470000-0x0000000002671000-memory.dmp

memory/1364-12-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-13-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-14-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-15-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-16-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/1364-17-0x0000000002470000-0x0000000002671000-memory.dmp

memory/1364-19-0x0000000000770000-0x0000000000771000-memory.dmp

memory/1364-20-0x0000000002470000-0x0000000002671000-memory.dmp

memory/1364-22-0x0000000000400000-0x00000000006D2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-31 15:29

Reported

2023-10-31 15:37

Platform

win10v2004-20231023-en

Max time kernel

132s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.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\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\ = "IE OpenService Manager" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InProcServer32\ = "C:\\Windows\\SysWOW64\\ieframe.dll" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0C492E08-B123-D1CC-7D2D-1D956A015BF3} C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe

"C:\Users\Admin\AppData\Local\Temp\a1e7648535ccc5a8d07d131da0b49bb2db3d5ef58dff4665bc6ad76efbc6dce6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net 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

Files

memory/3560-0-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-2-0x0000000002A00000-0x0000000002C01000-memory.dmp

memory/3560-8-0x0000000002A00000-0x0000000002C01000-memory.dmp

memory/3560-9-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-14-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-15-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-16-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-17-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-18-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-19-0x0000000002A00000-0x0000000002C01000-memory.dmp

memory/3560-21-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-22-0x0000000002A00000-0x0000000002C01000-memory.dmp

memory/3560-23-0x0000000000400000-0x00000000006D2000-memory.dmp

memory/3560-26-0x0000000000400000-0x00000000006D2000-memory.dmp