Malware Analysis Report

2024-10-16 02:53

Sample ID 240621-f66k9aygqe
Target Transaccion_Recibos.xls
SHA256 eef0596335d49e18109754955a5eae8fabd4b6324ed4c7a16c04a873548db968
Tags
macro macro_on_action
score
8/10

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
8/10

SHA256

eef0596335d49e18109754955a5eae8fabd4b6324ed4c7a16c04a873548db968

Threat Level: Likely malicious

The file Transaccion_Recibos.xls was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 05:30

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 05:30

Reported

2024-06-21 05:32

Platform

win7-20240611-en

Max time kernel

144s

Max time network

120s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Transaccion_Recibos.xls

Signatures

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Transaccion_Recibos.xls

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.busyestinglsv.site udp
US 190.8.176.162:443 www.busyestinglsv.site tcp
US 190.8.176.162:443 www.busyestinglsv.site tcp
US 190.8.176.162:443 www.busyestinglsv.site tcp
US 190.8.176.162:443 www.busyestinglsv.site tcp

Files

memory/2144-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2144-1-0x0000000071D2D000-0x0000000071D38000-memory.dmp

memory/2144-34-0x0000000006300000-0x0000000006400000-memory.dmp

memory/2144-51-0x0000000006300000-0x0000000006400000-memory.dmp

memory/2144-52-0x0000000006300000-0x0000000006400000-memory.dmp

memory/2144-53-0x0000000071D2D000-0x0000000071D38000-memory.dmp

memory/2144-54-0x0000000006300000-0x0000000006400000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 05:30

Reported

2024-06-21 05:32

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Transaccion_Recibos.xls"

Signatures

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Transaccion_Recibos.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.busyestinglsv.site udp
US 8.8.8.8:53 roaming.officeapps.live.com udp

Files

memory/5052-0-0x00007FF8B62F0000-0x00007FF8B6300000-memory.dmp

memory/5052-2-0x00007FF8B62F0000-0x00007FF8B6300000-memory.dmp

memory/5052-1-0x00007FF8B62F0000-0x00007FF8B6300000-memory.dmp

memory/5052-3-0x00007FF8B62F0000-0x00007FF8B6300000-memory.dmp

memory/5052-4-0x00007FF8F630D000-0x00007FF8F630E000-memory.dmp

memory/5052-7-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-6-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-5-0x00007FF8B62F0000-0x00007FF8B6300000-memory.dmp

memory/5052-8-0x00007FF8B4050000-0x00007FF8B4060000-memory.dmp

memory/5052-9-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-10-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-12-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-11-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-13-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-14-0x00007FF8B4050000-0x00007FF8B4060000-memory.dmp

memory/5052-17-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-16-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-15-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-21-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-20-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-19-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-18-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-60-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-84-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

memory/5052-85-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp