Malware Analysis Report

2025-03-15 05:23

Sample ID 240629-1bsfcszern
Target 3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7
SHA256 3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7
Tags
macro
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

3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7

Threat Level: Likely malicious

The file 3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 21:28

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 21:28

Reported

2024-06-29 21:29

Platform

win7-20240419-en

Max time kernel

44s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7.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
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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-1-5-21-481678230-3773327859-3495911762-1000\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
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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

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\3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7.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

Files

memory/2204-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2204-1-0x0000000072A7D000-0x0000000072A88000-memory.dmp

memory/2204-26-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-65-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-64-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-63-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-66-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-67-0x0000000072A7D000-0x0000000072A88000-memory.dmp

memory/2204-68-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-69-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-70-0x0000000006150000-0x0000000006250000-memory.dmp

memory/2204-71-0x0000000006150000-0x0000000006250000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 21:28

Reported

2024-06-29 21:29

Platform

win10v2004-20240611-en

Max time kernel

57s

Max time network

61s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7.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\3b4ab2f5e6def50b7abebf81739a47c5f8919f42d85bc1b6417bcb2299bfeef7.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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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

Files

memory/3672-0-0x00007FFA730D0000-0x00007FFA730E0000-memory.dmp

memory/3672-2-0x00007FFA730D0000-0x00007FFA730E0000-memory.dmp

memory/3672-4-0x00007FFAB30ED000-0x00007FFAB30EE000-memory.dmp

memory/3672-3-0x00007FFA730D0000-0x00007FFA730E0000-memory.dmp

memory/3672-1-0x00007FFA730D0000-0x00007FFA730E0000-memory.dmp

memory/3672-5-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-7-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-10-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-11-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-9-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-8-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-6-0x00007FFA730D0000-0x00007FFA730E0000-memory.dmp

memory/3672-12-0x00007FFA70C50000-0x00007FFA70C60000-memory.dmp

memory/3672-13-0x00007FFA70C50000-0x00007FFA70C60000-memory.dmp

memory/3672-15-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-16-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-17-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-18-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-14-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-63-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp

memory/3672-123-0x00007FFAB3050000-0x00007FFAB3245000-memory.dmp