Malware Analysis Report

2025-01-22 19:10

Sample ID 240723-1mwxxstcmb
Target 436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408
SHA256 436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408
Tags
macro macro_on_action discovery
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

436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408

Threat Level: Likely malicious

The file 436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 21:46

Signatures

Office macro that triggers on suspicious action

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 21:46

Reported

2024-07-23 21:47

Platform

win7-20240704-en

Max time kernel

25s

Max time network

19s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408.xls

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

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

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\436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408.xls

Network

N/A

Files

memory/1188-1-0x0000000071DDD000-0x0000000071DE8000-memory.dmp

memory/1188-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1188-3-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-5-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-2-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-8-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-7-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-6-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-4-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1188-9-0x0000000071DDD000-0x0000000071DE8000-memory.dmp

memory/1188-10-0x0000000000660000-0x0000000000760000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 21:46

Reported

2024-07-23 21:47

Platform

win10v2004-20240709-en

Max time kernel

46s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408.xls"

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 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:\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

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\436f4df4caf02f6cbaa6132d2f4d7182c2eb74ae81486f979484e1b20309f408.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 79.239.69.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/2460-5-0x00007FF9D694D000-0x00007FF9D694E000-memory.dmp

memory/2460-4-0x00007FF996930000-0x00007FF996940000-memory.dmp

memory/2460-3-0x00007FF996930000-0x00007FF996940000-memory.dmp

memory/2460-11-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-13-0x00007FF9941E0000-0x00007FF9941F0000-memory.dmp

memory/2460-14-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-16-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-17-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-18-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-19-0x00007FF9941E0000-0x00007FF9941F0000-memory.dmp

memory/2460-20-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-15-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-12-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-10-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-9-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-8-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-7-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-6-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-2-0x00007FF996930000-0x00007FF996940000-memory.dmp

memory/2460-1-0x00007FF996930000-0x00007FF996940000-memory.dmp

memory/2460-0-0x00007FF996930000-0x00007FF996940000-memory.dmp

memory/2460-39-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-41-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-40-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-38-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp

memory/2460-47-0x00007FF9D68B0000-0x00007FF9D6AA5000-memory.dmp