Malware Analysis Report

2024-10-24 18:45

Sample ID 231101-f5xxqadb33
Target 29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e
SHA256 29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e
Tags
banload downloader dropper persistence 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

29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e

Threat Level: Known bad

The file 29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper persistence trojan

Banload

Registers COM server for autorun

Checks BIOS information in registry

Unsigned PE

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-01 05:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-01 05:27

Reported

2023-11-01 05:30

Platform

win7-20231023-en

Max time kernel

122s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.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\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ = "ole32.dll" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\ = "PointerMoniker" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ = "ole32.dll" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2} C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe

"C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe"

Network

N/A

Files

memory/2952-0-0x00000000024C0000-0x00000000026AA000-memory.dmp

memory/2952-7-0x00000000024C0000-0x00000000026AA000-memory.dmp

memory/2952-12-0x0000000140000000-0x000000014048D000-memory.dmp

memory/2952-13-0x0000000140000000-0x000000014048D000-memory.dmp

memory/2952-14-0x0000000140000000-0x000000014048D000-memory.dmp

memory/2952-15-0x00000000024C0000-0x00000000026AA000-memory.dmp

memory/2952-17-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/2952-18-0x00000000024C0000-0x00000000026AA000-memory.dmp

memory/2952-20-0x0000000140000000-0x000000014048D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-01 05:27

Reported

2023-11-01 05:30

Platform

win10v2004-20231023-en

Max time kernel

152s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.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\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ = "%SystemRoot%\\System32\\InternetMailCsp.dll" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2} C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0A6DF0E1-9BDE-5C22-E830-370D178B66F2}\InprocServer32\ = "%SystemRoot%\\System32\\InternetMailCsp.dll" C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe

"C:\Users\Admin\AppData\Local\Temp\29a171d1d4c17ff97b1ce9251f26489bad380babd8723c558de500b0cdc4c01e.exe"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 135.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/3624-0-0x0000000002680000-0x000000000286A000-memory.dmp

memory/3624-7-0x0000000002680000-0x000000000286A000-memory.dmp

memory/3624-12-0x0000000140000000-0x000000014048D000-memory.dmp

memory/3624-13-0x0000000140000000-0x000000014048D000-memory.dmp

memory/3624-14-0x0000000140000000-0x000000014048D000-memory.dmp

memory/3624-15-0x0000000002680000-0x000000000286A000-memory.dmp

memory/3624-17-0x0000000002E90000-0x0000000002E91000-memory.dmp

memory/3624-18-0x0000000002680000-0x000000000286A000-memory.dmp

memory/3624-19-0x0000000140000000-0x000000014048D000-memory.dmp

memory/3624-21-0x0000000140000000-0x000000014048D000-memory.dmp

memory/3708-22-0x000001AB70940000-0x000001AB70950000-memory.dmp

memory/3708-38-0x000001AB70A40000-0x000001AB70A50000-memory.dmp

memory/3708-54-0x000001AB78D40000-0x000001AB78D41000-memory.dmp

memory/3708-56-0x000001AB78D70000-0x000001AB78D71000-memory.dmp

memory/3708-57-0x000001AB78D70000-0x000001AB78D71000-memory.dmp

memory/3708-58-0x000001AB78E80000-0x000001AB78E81000-memory.dmp