Malware Analysis Report

2025-01-22 12:10

Sample ID 240531-chhbzacd59
Target cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d
SHA256 cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d
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

cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d

Threat Level: Likely malicious

The file cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d 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

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:04

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 02:04

Reported

2024-05-31 02:05

Platform

win7-20240220-en

Max time kernel

45s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d.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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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 (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote 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\cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d.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/1728-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1728-1-0x000000007236D000-0x0000000072378000-memory.dmp

memory/1728-26-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-39-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-65-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-64-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-66-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-67-0x000000007236D000-0x0000000072378000-memory.dmp

memory/1728-68-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-69-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-70-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-71-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/1728-72-0x0000000005FD0000-0x00000000060D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:04

Reported

2024-05-31 02:05

Platform

win10v2004-20240426-en

Max time kernel

33s

Max time network

37s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d.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\cb8970f53ed68586b960e9f49b1a673a4130efde7af49d9bad8b218445ef957d.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

memory/3612-0-0x00007FFB79690000-0x00007FFB796A0000-memory.dmp

memory/3612-1-0x00007FFB79690000-0x00007FFB796A0000-memory.dmp

memory/3612-2-0x00007FFB79690000-0x00007FFB796A0000-memory.dmp

memory/3612-3-0x00007FFB79690000-0x00007FFB796A0000-memory.dmp

memory/3612-5-0x00007FFB79690000-0x00007FFB796A0000-memory.dmp

memory/3612-4-0x00007FFBB96AD000-0x00007FFBB96AE000-memory.dmp

memory/3612-6-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-7-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-9-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-8-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-12-0x00007FFB77280000-0x00007FFB77290000-memory.dmp

memory/3612-11-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-15-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-14-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-16-0x00007FFB77280000-0x00007FFB77290000-memory.dmp

memory/3612-13-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-10-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-67-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp

memory/3612-153-0x00007FFBB9610000-0x00007FFBB9805000-memory.dmp