Malware Analysis Report

2025-01-22 12:10

Sample ID 240531-cglyrsbc3w
Target fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924
SHA256 fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924
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

fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924

Threat Level: Likely malicious

The file fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924 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

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:02

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 02:02

Reported

2024-05-31 02:03

Platform

win7-20240508-en

Max time kernel

42s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924.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-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\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 (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\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\fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924.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/1548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1548-1-0x000000007255D000-0x0000000072568000-memory.dmp

memory/1548-26-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-65-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-64-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-63-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-66-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-67-0x000000007255D000-0x0000000072568000-memory.dmp

memory/1548-68-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-69-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-70-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-71-0x00000000064E0000-0x00000000065E0000-memory.dmp

memory/1548-72-0x00000000064E0000-0x00000000065E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:02

Reported

2024-05-31 02:03

Platform

win10v2004-20240508-en

Max time kernel

47s

Max time network

33s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924.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\fb73807e03d0b2c8f64a39e6c75cfd028e37e183b8596656ce778ce31e13e924.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.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 docs.google.com udp
GB 142.250.200.14:443 docs.google.com tcp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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/3016-0-0x00007FFEEE9B0000-0x00007FFEEE9C0000-memory.dmp

memory/3016-1-0x00007FFF2E9CD000-0x00007FFF2E9CE000-memory.dmp

memory/3016-4-0x00007FFEEE9B0000-0x00007FFEEE9C0000-memory.dmp

memory/3016-3-0x00007FFEEE9B0000-0x00007FFEEE9C0000-memory.dmp

memory/3016-2-0x00007FFEEE9B0000-0x00007FFEEE9C0000-memory.dmp

memory/3016-5-0x00007FFEEE9B0000-0x00007FFEEE9C0000-memory.dmp

memory/3016-8-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-7-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-6-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-11-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-10-0x00007FFEEC7C0000-0x00007FFEEC7D0000-memory.dmp

memory/3016-12-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-13-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-14-0x00007FFEEC7C0000-0x00007FFEEC7D0000-memory.dmp

memory/3016-15-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-9-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-69-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-147-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-153-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-154-0x00007FFF2E9CD000-0x00007FFF2E9CE000-memory.dmp

memory/3016-155-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp

memory/3016-156-0x00007FFF2E930000-0x00007FFF2EB25000-memory.dmp