Malware Analysis Report

2025-03-15 07:12

Sample ID 230405-kmltysef8v
Target 1d3f4ee57d4f989927a584e9484274f4.zip
SHA256 b09c10fb84be44daf9f48a4fdeed7c05fb170987d56d355534d32fca1bc27d8b
Tags
macro xlm
score
8/10

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 Overview

score
8/10

SHA256

b09c10fb84be44daf9f48a4fdeed7c05fb170987d56d355534d32fca1bc27d8b

Threat Level: Likely malicious

The file 1d3f4ee57d4f989927a584e9484274f4.zip was found to be: Likely malicious.

Malicious Activity Summary

macro xlm

Suspicious Office macro

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-05 08:43

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-05 08:43

Reported

2023-04-05 08:45

Platform

win10-20230220-en

Max time kernel

116s

Max time network

115s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1d3f4ee57d4f989927a584e9484274f4.xlsm"

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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\1d3f4ee57d4f989927a584e9484274f4.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 141.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 73.254.224.20.in-addr.arpa udp
US 8.8.8.8:53 154.25.221.88.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.182.143.210:443 tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 5.233.140.95.in-addr.arpa udp

Files

memory/4056-120-0x00007FFC52780000-0x00007FFC52790000-memory.dmp

memory/4056-121-0x00007FFC52780000-0x00007FFC52790000-memory.dmp

memory/4056-122-0x00007FFC52780000-0x00007FFC52790000-memory.dmp

memory/4056-123-0x00007FFC52780000-0x00007FFC52790000-memory.dmp

memory/4056-132-0x00007FFC4EE60000-0x00007FFC4EE70000-memory.dmp

memory/4056-133-0x00007FFC4EE60000-0x00007FFC4EE70000-memory.dmp