Malware Analysis Report

2025-01-22 12:18

Sample ID 240623-1dv92asgme
Target af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd
SHA256 af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd
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

af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd

Threat Level: Likely malicious

The file af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd 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 behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-23 21:32

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 21:32

Reported

2024-06-23 21:33

Platform

win7-20240611-en

Max time kernel

35s

Max time network

19s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd.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
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt 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\af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd.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/1672-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1672-1-0x00000000721BD000-0x00000000721C8000-memory.dmp

memory/1672-26-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-39-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-40-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-65-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-66-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-67-0x00000000721BD000-0x00000000721C8000-memory.dmp

memory/1672-68-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-69-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-70-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-71-0x0000000005F40000-0x0000000006040000-memory.dmp

memory/1672-72-0x0000000005F40000-0x0000000006040000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 21:32

Reported

2024-06-23 21:33

Platform

win10v2004-20240611-en

Max time kernel

36s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd.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:\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
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:\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
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\af36e4799f17fd1a0e26b30752b9613e42dc7200e4aa3fe3e6663daf42587dcd.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 4868

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4868

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp

Files

memory/3316-0-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/3316-2-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/3316-3-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/3316-4-0x00007FFA6B46D000-0x00007FFA6B46E000-memory.dmp

memory/3316-1-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/3316-6-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-5-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/3316-7-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-11-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-10-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-14-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-13-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-12-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-8-0x00007FFA28C20000-0x00007FFA28C30000-memory.dmp

memory/3316-9-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-16-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-18-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-17-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-15-0x00007FFA28C20000-0x00007FFA28C30000-memory.dmp

memory/5064-42-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/5064-56-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/5064-57-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/5064-58-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/5064-59-0x00007FFA2B450000-0x00007FFA2B460000-memory.dmp

memory/5064-60-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp

memory/3316-61-0x00007FFA6B3D0000-0x00007FFA6B5C5000-memory.dmp