Malware Analysis Report

2025-01-22 12:16

Sample ID 240624-z491fawaqp
Target 21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190
SHA256 21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190
Tags
macro
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

21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190

Threat Level: Likely malicious

The file 21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-24 21:17

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 21:17

Reported

2024-06-24 21:18

Platform

win7-20240221-en

Max time kernel

48s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm

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
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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
Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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-1-5-21-2297530677-1229052932-2803917579-1000\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
Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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 (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote 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\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp
GB 142.250.200.14:443 docs.google.com tcp
US 8.8.8.8:53 www.dropbox.com udp
GB 162.125.64.18:443 www.dropbox.com tcp
GB 162.125.64.18:443 www.dropbox.com tcp

Files

memory/2248-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2248-1-0x00000000721AD000-0x00000000721B8000-memory.dmp

memory/2248-63-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-62-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-64-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-65-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-66-0x00000000721AD000-0x00000000721B8000-memory.dmp

memory/2248-67-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-68-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-69-0x0000000006350000-0x0000000006450000-memory.dmp

memory/2248-70-0x0000000006350000-0x0000000006450000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 21:17

Reported

2024-06-24 21:18

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\dwwin.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\system32\dwwin.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\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4152

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4152

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3836-0-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/3836-2-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/3836-1-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/3836-4-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/3836-3-0x00007FFD6D2AD000-0x00007FFD6D2AE000-memory.dmp

memory/3836-5-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/3836-7-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-6-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-9-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-10-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-11-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-13-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-15-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-18-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-19-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-22-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-21-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-20-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-17-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-16-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-14-0x00007FFD2B000000-0x00007FFD2B010000-memory.dmp

memory/3836-12-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-8-0x00007FFD2B000000-0x00007FFD2B010000-memory.dmp

memory/2992-46-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/2992-54-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/2992-56-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/2992-55-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/2992-57-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp

memory/2992-58-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp

memory/3836-59-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp