Malware Analysis Report

2025-03-15 05:23

Sample ID 240628-1g5b4swblj
Target 21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0
SHA256 21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0
Tags
macro
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0

Threat Level: Likely malicious

The file 21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 21:38

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 21:38

Reported

2024-06-28 21:39

Platform

win10v2004-20240508-en

Max time kernel

46s

Max time network

55s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0.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 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\21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp
US 8.8.8.8:53 roaming.officeapps.live.com udp

Files

memory/1120-0-0x00007FF8394B0000-0x00007FF8394C0000-memory.dmp

memory/1120-2-0x00007FF8394B0000-0x00007FF8394C0000-memory.dmp

memory/1120-1-0x00007FF8394B0000-0x00007FF8394C0000-memory.dmp

memory/1120-3-0x00007FF8394B0000-0x00007FF8394C0000-memory.dmp

memory/1120-4-0x00007FF8394B0000-0x00007FF8394C0000-memory.dmp

memory/1120-5-0x00007FF8794CD000-0x00007FF8794CE000-memory.dmp

memory/1120-6-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-7-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-9-0x00007FF836C90000-0x00007FF836CA0000-memory.dmp

memory/1120-8-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-11-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-10-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-13-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-12-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-14-0x00007FF836C90000-0x00007FF836CA0000-memory.dmp

memory/1120-17-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-18-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-16-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-15-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-63-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-109-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-129-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-130-0x00007FF879430000-0x00007FF879625000-memory.dmp

memory/1120-131-0x00007FF879430000-0x00007FF879625000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 21:38

Reported

2024-06-28 21:39

Platform

win7-20240611-en

Max time kernel

47s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0.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 (int) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\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
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" 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\21cf7768a965fc1769ca95867842a1353f291ca6ce658a6326d4aa20c78bbfe0.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/2560-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2560-1-0x0000000071DAD000-0x0000000071DB8000-memory.dmp

memory/2560-26-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-65-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-64-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-63-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-66-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-67-0x0000000071DAD000-0x0000000071DB8000-memory.dmp

memory/2560-68-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-69-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-70-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-71-0x00000000068F0000-0x00000000069F0000-memory.dmp

memory/2560-72-0x00000000068F0000-0x00000000069F0000-memory.dmp