Malware Analysis Report

2025-01-22 12:11

Sample ID 240531-b7lv1saf9v
Target b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024
SHA256 b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024
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

b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024

Threat Level: Likely malicious

The file b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024 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 SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 01:47

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 01:47

Reported

2024-05-31 01:48

Platform

win7-20240221-en

Max time kernel

46s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024.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 (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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-1-5-21-2297530677-1229052932-2803917579-1000\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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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\b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024.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/1924-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1924-1-0x0000000072A6D000-0x0000000072A78000-memory.dmp

memory/1924-26-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-60-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-65-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-39-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-66-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-67-0x0000000072A6D000-0x0000000072A78000-memory.dmp

memory/1924-68-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-69-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-70-0x00000000060E0000-0x00000000061E0000-memory.dmp

memory/1924-71-0x00000000060E0000-0x00000000061E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 01:47

Reported

2024-05-31 01:48

Platform

win10v2004-20240508-en

Max time kernel

32s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024.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

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\b662bee481d58b9c8cd9ace8c87574f8c9176b4695a02c0724a99c4693723024.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 44.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
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
US 8.8.8.8:53 14.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 205.201.50.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

memory/3896-0-0x00007FF9F7910000-0x00007FF9F7920000-memory.dmp

memory/3896-3-0x00007FFA3792D000-0x00007FFA3792E000-memory.dmp

memory/3896-2-0x00007FF9F7910000-0x00007FF9F7920000-memory.dmp

memory/3896-4-0x00007FF9F7910000-0x00007FF9F7920000-memory.dmp

memory/3896-5-0x00007FF9F7910000-0x00007FF9F7920000-memory.dmp

memory/3896-1-0x00007FF9F7910000-0x00007FF9F7920000-memory.dmp

memory/3896-6-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-8-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-9-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-10-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-11-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-7-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-13-0x00007FF9F5440000-0x00007FF9F5450000-memory.dmp

memory/3896-12-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-14-0x00007FF9F5440000-0x00007FF9F5450000-memory.dmp

memory/3896-16-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-19-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-20-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-18-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-17-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-15-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-74-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp

memory/3896-154-0x00007FFA37890000-0x00007FFA37A85000-memory.dmp