Malware Analysis Report

2024-11-13 16:31

Sample ID 240510-kc1kcscg7y
Target PO# CB20240022.xlam.xlsx
SHA256 d947562965017e1860a57b9b4e1e3c2b643a56f595fd19455d5d843ba9c9b5c8
Tags
agenttesla zgrat keylogger rat spyware stealer 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

d947562965017e1860a57b9b4e1e3c2b643a56f595fd19455d5d843ba9c9b5c8

Threat Level: Known bad

The file PO# CB20240022.xlam.xlsx was found to be: Known bad.

Malicious Activity Summary

agenttesla zgrat keylogger rat spyware stealer trojan

AgentTesla

Detect ZGRat V1

ZGRat

Blocklisted process makes network request

Downloads MZ/PE file

Loads dropped DLL

Executes dropped EXE

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

Enumerates physical storage devices

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Launches Equation Editor

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 08:28

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 08:28

Reported

2024-05-10 08:30

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\PO# CB20240022.xlam"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect ZGRat V1

Description Indicator Process Target
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ZGRat

rat zgrat

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

AutoIT Executable

Description Indicator Process Target
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Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2628 set thread context of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

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

Launches Equation Editor

exploit
Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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 deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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 (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\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies registry class

Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command 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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OBC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2684 wrote to memory of 2628 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\OBC.exe
PID 2684 wrote to memory of 2628 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\OBC.exe
PID 2684 wrote to memory of 2628 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\OBC.exe
PID 2684 wrote to memory of 2628 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\OBC.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2628 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\OBC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\PO# CB20240022.xlam"

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

C:\Users\Admin\AppData\Roaming\OBC.exe

"C:\Users\Admin\AppData\Roaming\OBC.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Roaming\OBC.exe"

Network

Country Destination Domain Proto
US 23.94.54.101:80 23.94.54.101 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/2328-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2328-1-0x000000007231D000-0x0000000072328000-memory.dmp

\Users\Admin\AppData\Roaming\OBC.exe

MD5 01311bbcca3794100bc4ef5a6f7f471e
SHA1 01372089b8656907ec48e97eb911d05c41b9c651
SHA256 437ead7b2bb32872480a15c9e391792b939d6feb944f45a756f3dc84d9168831
SHA512 5fcc0ea9c247f591c6d2fcf37d5feb2e237856fe00cce1091eaf6f7254778b31e23507c2eed436c2a437d0033712096777097e6fa7960c14e18af0eee2504d21

memory/2456-19-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2456-18-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2456-20-0x00000000002E0000-0x0000000000334000-memory.dmp

memory/2456-21-0x0000000002040000-0x0000000002092000-memory.dmp

memory/2456-22-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-23-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-25-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-27-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-47-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-75-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-81-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-79-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-77-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-73-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-71-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-69-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-67-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-65-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-63-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-61-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-59-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-57-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-55-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-53-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-51-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-49-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-45-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-43-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-41-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-39-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-37-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-35-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-33-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-31-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2456-29-0x0000000002040000-0x000000000208D000-memory.dmp

memory/2328-1052-0x000000007231D000-0x0000000072328000-memory.dmp

memory/2328-1055-0x000000007231D000-0x0000000072328000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 08:28

Reported

2024-05-10 08:30

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PO# CB20240022.xlam"

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\PO# CB20240022.xlam"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
NL 23.62.61.153:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 153.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 213.80.50.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp

Files

memory/4884-0-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-3-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-4-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-5-0x00007FFE4E5CD000-0x00007FFE4E5CE000-memory.dmp

memory/4884-2-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-1-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-8-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-7-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-6-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-10-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-9-0x00007FFE0C1B0000-0x00007FFE0C1C0000-memory.dmp

memory/4884-12-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-13-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-11-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-14-0x00007FFE0C1B0000-0x00007FFE0C1C0000-memory.dmp

memory/4884-22-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp

memory/4884-37-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-38-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-40-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-39-0x00007FFE0E5B0000-0x00007FFE0E5C0000-memory.dmp

memory/4884-41-0x00007FFE4E530000-0x00007FFE4E725000-memory.dmp