Malware Analysis Report

2025-08-06 04:00

Sample ID 230308-hhkpzsea2x
Target Bucidaengineering.zip
SHA256 e47c76e15cd6f4d6f6d2156fec165530be660e40df51984c74660f8019199df5
Tags
macro macro_on_action emotet epoch4 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

e47c76e15cd6f4d6f6d2156fec165530be660e40df51984c74660f8019199df5

Threat Level: Known bad

The file Bucidaengineering.zip was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action emotet epoch4 banker trojan

Emotet

Process spawned unexpected child process

Suspicious Office macro

Office macro that triggers on suspicious action

Loads dropped DLL

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Modifies registry class

Script User-Agent

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-08 06:44

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

2023-03-08 06:44

Reported

2023-03-08 06:51

Platform

win7-20230220-en

Max time kernel

119s

Max time network

30s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\954895897851030__2023-08-03_0953.doc"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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\WINWORD.EXE N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1988 wrote to memory of 944 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 944 wrote to memory of 1232 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1232 wrote to memory of 580 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1232 wrote to memory of 580 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1232 wrote to memory of 580 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1232 wrote to memory of 580 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1232 wrote to memory of 580 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1988 wrote to memory of 1856 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 1988 wrote to memory of 1856 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 1988 wrote to memory of 1856 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe
PID 1988 wrote to memory of 1856 N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE C:\Windows\splwow64.exe

Processes

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

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\954895897851030__2023-08-03_0953.doc"

C:\Windows\SysWOW64\regsvr32.exe

"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\074914.tmp"

C:\Windows\system32\regsvr32.exe

/s "C:\Users\Admin\AppData\Local\Temp\074914.tmp"

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EXAUvcorxjk\wERxsxY.dll"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.dnautik.com udp
RS 195.252.110.130:80 www.dnautik.com tcp

Files

memory/1988-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1988-79-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-81-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-80-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-82-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-84-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-87-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-86-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-85-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-88-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-90-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-89-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-91-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-92-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-94-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-95-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-97-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-96-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-93-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-83-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-98-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-121-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-125-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-163-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1988-205-0x0000000000770000-0x0000000000870000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\074917.zip

MD5 d347a9e713947d67f6f575738ef07cd7
SHA1 f51f3983960517b07bb97f5ba5495480a31c8c0f
SHA256 22babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0
SHA512 5aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651

memory/1988-1077-0x0000000005F20000-0x0000000005F21000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\074914.tmp

MD5 4f214becc5f8ac8bd13adef8437f7002
SHA1 a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256 d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA512 4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

\Users\Admin\AppData\Local\Temp\074914.tmp

MD5 4f214becc5f8ac8bd13adef8437f7002
SHA1 a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256 d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA512 4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

\Users\Admin\AppData\Local\Temp\074914.tmp

MD5 4f214becc5f8ac8bd13adef8437f7002
SHA1 a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256 d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA512 4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

memory/1232-1264-0x0000000000130000-0x0000000000131000-memory.dmp

memory/580-1270-0x0000000000140000-0x0000000000141000-memory.dmp

memory/1988-1271-0x0000000005F20000-0x0000000005F21000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

MD5 deb3c49348c48e3d466946ee7f03ba37
SHA1 72ccc366707e2cf805bab0030913ef1748c4d304
SHA256 5db04fd69a2f792034ab16d3bf5c7341d632f90400bf90a667681b246dfb4299
SHA512 9be2e867dbff0dfc125846cf14d3302ffab0ea362b72756071c5398327a06dcbc00799f5467efc86b422c5550c601e95ca96849ac6aa9e105814dcf9e0463f4c

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 06:44

Reported

2023-03-08 06:51

Platform

win10v2004-20230220-en

Max time kernel

24s

Max time network

154s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\954895897851030__2023-08-03_0953.doc" /o ""

Signatures

Emotet

trojan banker emotet

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\System32\regsvr32.exe N/A

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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

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

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\regsvr32.exe N/A
N/A N/A C:\Windows\System32\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3092 wrote to memory of 1172 N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE C:\Windows\System32\regsvr32.exe
PID 3092 wrote to memory of 1172 N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE C:\Windows\System32\regsvr32.exe

Processes

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

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\954895897851030__2023-08-03_0953.doc" /o ""

C:\Windows\System32\regsvr32.exe

"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\074922.tmp"

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UMOBDETis\BZmyvP.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
IE 20.50.80.210:443 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 141.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 www.dnautik.com udp
RS 195.252.110.130:80 www.dnautik.com tcp
US 8.8.8.8:53 130.110.252.195.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
NL 8.238.179.126:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 62.13.109.52.in-addr.arpa udp
NL 8.238.179.126:80 tcp
FR 91.121.146.47:8080 tcp
US 8.8.8.8:53 47.146.121.91.in-addr.arpa udp
US 8.8.8.8:53 234.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/3092-133-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-134-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-135-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-136-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-137-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-138-0x00007FFB6F760000-0x00007FFB6F770000-memory.dmp

memory/3092-139-0x00007FFB6F760000-0x00007FFB6F770000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\074923.zip

MD5 d347a9e713947d67f6f575738ef07cd7
SHA1 f51f3983960517b07bb97f5ba5495480a31c8c0f
SHA256 22babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0
SHA512 5aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651

C:\Users\Admin\AppData\Local\Temp\074922.tmp

MD5 70d1ea445cbffd002650708bbb19240b
SHA1 a320cd5a180140936d072f9950c82f16e67dc573
SHA256 151bcb1fc61da6fdd64712d66678c6a7671b6e2b8f3529c2912bdc283ab332ef
SHA512 b002efc7cee5cb2a51fdf2dcee9a8771d3cdb746c66d7ad807b34692182415fac8bfc3192c1f7180b85ab13370fc1698055964f5051ec70488f7f65134c40279

memory/1172-177-0x0000000180000000-0x000000018002D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\074922.tmp

MD5 f55cf8d3f30726dd78f7005f388cfd4b
SHA1 bb8f7b28ad457f60a880db5f31ac1cca105ccc67
SHA256 0655d70a3e13cb979c41cf7954d42193367b8e9e81f80d7a92b8d0e30eadc46c
SHA512 052ef3e5444488746adb83dd67a52f3e1ba470fadebe36ced748d459bfe42216cfc1e606a51173b1212a3f8aa2efe7e187c7c76e220a160ae242e874e785da71

memory/1172-180-0x0000000002D10000-0x0000000002D11000-memory.dmp

C:\Windows\System32\UMOBDETis\BZmyvP.dll

MD5 505d51f0cb3be519ac67edb1142271ad
SHA1 208f9a58d4cc3adf89b4091779e302c77911292a
SHA256 911375099efcc8169fed21177bc1a05fd115d14686a4842a18b6c0ef20ecac0b
SHA512 3f6fc9dc9f2eecd2419dc5f6046bfea43a7abbcac7d0c32b023619f3a25498e83d5bad1b116b597ff84e29a6e30d49447d36452602d0c91921a168c8f16c5934

memory/4616-188-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/3092-217-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-216-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-215-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

memory/3092-214-0x00007FFB71850000-0x00007FFB71860000-memory.dmp