Malware Analysis Report

2025-01-22 19:08

Sample ID 240719-zymmyszdnl
Target 73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468
SHA256 73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468
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

73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468

Threat Level: Likely malicious

The file 73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

Suspicious Office macro

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 21:07

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

2024-07-19 21:07

Reported

2024-07-19 21:08

Platform

win7-20240704-en

Max time kernel

24s

Max time network

19s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468.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

Suspicious behavior: AddClipboardFormatListener

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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\73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468.xls

Network

N/A

Files

memory/2432-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2432-1-0x00000000734CD000-0x00000000734D8000-memory.dmp

memory/2432-5-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2432-4-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2432-8-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2432-3-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2432-2-0x0000000000690000-0x0000000000790000-memory.dmp

memory/2432-9-0x00000000734CD000-0x00000000734D8000-memory.dmp

memory/2432-10-0x0000000000690000-0x0000000000790000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 21:07

Reported

2024-07-19 21:08

Platform

win10v2004-20240709-en

Max time kernel

41s

Max time network

43s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468.xls"

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\73487931584c89706d6892f03892a0388fe27da4826dc03655ad0d267ff9f468.xls"

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 4616

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4616

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4808-0-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/4808-2-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/4808-1-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/4808-4-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/4808-3-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/4808-5-0x00007FFA4394D000-0x00007FFA4394E000-memory.dmp

memory/4808-6-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-7-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-10-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-11-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-9-0x00007FFA00FD0000-0x00007FFA00FE0000-memory.dmp

memory/4808-16-0x00007FFA00FD0000-0x00007FFA00FE0000-memory.dmp

memory/4808-15-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-17-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-20-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-19-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-18-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-14-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-13-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-12-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-8-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-30-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-32-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-31-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/1276-36-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/1276-38-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/1276-51-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/1276-50-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/1276-49-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/1276-48-0x00007FFA03930000-0x00007FFA03940000-memory.dmp

memory/1276-52-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp

memory/4808-53-0x00007FFA438B0000-0x00007FFA43AA5000-memory.dmp