Malware Analysis Report

2024-10-16 03:30

Sample ID 240805-wketeatdlj
Target 2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia
SHA256 ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d
Tags
banload discovery 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

ff26a8fe142b16d6dadd42f5a5fe2cad2376ae5fc86813713c0f3105edab260d

Threat Level: Known bad

The file 2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia was found to be: Known bad.

Malicious Activity Summary

banload discovery downloader dropper evasion trojan

Banload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 17:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-05 17:58

Reported

2024-08-05 18:01

Platform

win7-20240704-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.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\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.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\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\Class = "Microsoft.Office.Interop.Outlook.OlkPageControlClass" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Office.Interop.Outlook, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\Typelib C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\Version C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\Version\ = "9.4" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocHandler32 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\Class = "Microsoft.Office.Interop.Outlook.OlkPageControlClass" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\Typelib\ = "{00062FFF-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ProgID\ = "Outlook.OlkPageControl.1" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ToolboxBitmap32 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ToolboxBitmap32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\OUTLOOK.EXE,5510" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\VersionIndependentProgID C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\Control C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocHandler32\ = "ole32.dll" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ = "Microsoft Outlook Page Control" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\Assembly = "Microsoft.Office.Interop.Outlook, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\LocalServer32\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\OUTLOOK.EXE\"" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ProgID C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\VersionIndependentProgID\ = "Outlook.OlkPageControl" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe"

C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe"

Network

N/A

Files

memory/1188-0-0x0000000000400000-0x0000000000896000-memory.dmp

memory/1188-1-0x0000000002670000-0x0000000002B06000-memory.dmp

memory/2692-2-0x00000000027E0000-0x00000000029ED000-memory.dmp

memory/2692-11-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/2692-10-0x00000000027E0000-0x00000000029ED000-memory.dmp

memory/2692-6-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-16-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-20-0x0000000003FD0000-0x0000000003FF0000-memory.dmp

memory/2692-19-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-17-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-18-0x0000000000400000-0x0000000000896000-memory.dmp

memory/1188-21-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-23-0x0000000000400000-0x0000000000896000-memory.dmp

memory/2692-22-0x00000000027E0000-0x00000000029ED000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 17:58

Reported

2024-08-05 18:01

Platform

win10v2004-20240802-en

Max time kernel

103s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.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\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.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\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95} C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\ = "ACM Compressed Audio Stream" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\ = "C:\\Windows\\SysWOW64\\avifil32.dll" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B7D96FBC-09E7-8D34-27B9-2F91B6DDFC95}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe"

C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-05_c07ad17a2ce868e7013de26741fccb42_mafia.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 40.58.20.217.in-addr.arpa udp

Files

memory/1668-0-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-3-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-4-0x0000000002A80000-0x0000000002C8D000-memory.dmp

memory/548-11-0x0000000002A80000-0x0000000002C8D000-memory.dmp

memory/548-17-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-20-0x0000000003F10000-0x0000000003F30000-memory.dmp

memory/548-18-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-16-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-19-0x0000000000400000-0x0000000000896000-memory.dmp

memory/1668-21-0x0000000000400000-0x0000000000896000-memory.dmp

memory/548-23-0x0000000002A80000-0x0000000002C8D000-memory.dmp

memory/548-22-0x0000000000400000-0x0000000000896000-memory.dmp