Malware Analysis Report

2024-10-16 03:32

Sample ID 240917-y71eqstbpq
Target e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118
SHA256 70bb9ca3d0f2169e0c9913e27e01514493d0a7c5a8193654f5773fd9f21fad93
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

70bb9ca3d0f2169e0c9913e27e01514493d0a7c5a8193654f5773fd9f21fad93

Threat Level: Known bad

The file e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118 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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-17 20:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-17 20:26

Reported

2024-09-17 20:29

Platform

win7-20240903-en

Max time kernel

13s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\ = "Microsoft Office Template and Media Control" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\ProgID\ = "Office.awsdc.1" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\VersionIndependentProgID\ = "Office.awsdc" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\IEAWSDC.DLL" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\TypeLib C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\VersionIndependentProgID C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4} C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\ProgID C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\TypeLib\ = "{012F24C1-35B0-11D0-BF2D-0000E8D0D146}" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\Version C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe"

Network

N/A

Files

memory/1656-7-0x0000000000400000-0x0000000000622000-memory.dmp

memory/1656-6-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/1656-0-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/1656-10-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/1656-11-0x00000000024F0000-0x00000000026FC000-memory.dmp

memory/1656-14-0x0000000000400000-0x0000000000622000-memory.dmp

memory/1656-15-0x00000000024F0000-0x00000000026FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-17 20:26

Reported

2024-09-17 20:29

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.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\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4} C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\ = "Audio Renderer Property Page" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32\ = "C:\\Windows\\SysWOW64\\quartz.dll" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{76803F4E-2BE7-58BC-7A10-2ED1505950A4}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e7a42c6e5ed3a9b984c773a3c0a15064_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4832-0-0x0000000000400000-0x0000000000622000-memory.dmp

memory/4832-2-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-9-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-12-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-14-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-13-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-15-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4832-17-0x0000000000400000-0x0000000000622000-memory.dmp