Malware Analysis Report

2025-03-15 07:55

Sample ID 240805-1nslwszark
Target 2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f
SHA256 2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f
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

2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f

Threat Level: Likely malicious

The file 2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-05 21:48

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

2024-08-05 21:48

Reported

2024-08-05 21:49

Platform

win7-20240708-en

Max time kernel

23s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f.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\2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f.xls

Network

N/A

Files

memory/2348-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2348-1-0x0000000071D1D000-0x0000000071D28000-memory.dmp

memory/2348-8-0x0000000006270000-0x0000000006370000-memory.dmp

memory/2348-9-0x0000000071D1D000-0x0000000071D28000-memory.dmp

memory/2348-10-0x0000000006270000-0x0000000006370000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-05 21:48

Reported

2024-08-05 21:49

Platform

win10v2004-20240802-en

Max time kernel

34s

Max time network

36s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f.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\2a776e33c3f4023429949263d1e756b7d05fefb4963873de4a041c1bd3799a6f.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.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 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/3224-0-0x00007FFF57D10000-0x00007FFF57D20000-memory.dmp

memory/3224-2-0x00007FFF57D10000-0x00007FFF57D20000-memory.dmp

memory/3224-1-0x00007FFF57D10000-0x00007FFF57D20000-memory.dmp

memory/3224-4-0x00007FFF57D10000-0x00007FFF57D20000-memory.dmp

memory/3224-5-0x00007FFF97D2D000-0x00007FFF97D2E000-memory.dmp

memory/3224-3-0x00007FFF57D10000-0x00007FFF57D20000-memory.dmp

memory/3224-7-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-6-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-8-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-10-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-11-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-9-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-12-0x00007FFF55510000-0x00007FFF55520000-memory.dmp

memory/3224-15-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-16-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-14-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-17-0x00007FFF55510000-0x00007FFF55520000-memory.dmp

memory/3224-13-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp

memory/3224-32-0x00007FFF97C90000-0x00007FFF97E85000-memory.dmp