Malware Analysis Report

2025-01-22 12:11

Sample ID 240531-csmz7sch22
Target 351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28
SHA256 351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28
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

351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28

Threat Level: Likely malicious

The file 351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:20

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 02:20

Reported

2024-05-31 02:21

Platform

win7-20240221-en

Max time kernel

43s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28.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\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\MenuExt\Se&nd to OneNote 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
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
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 (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
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
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

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\351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28.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/1244-1-0x000000007265D000-0x0000000072668000-memory.dmp

memory/1244-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1244-26-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-39-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-65-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-64-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-66-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-67-0x000000007265D000-0x0000000072668000-memory.dmp

memory/1244-68-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-69-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-70-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-71-0x0000000006030000-0x0000000006130000-memory.dmp

memory/1244-72-0x0000000006030000-0x0000000006130000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:20

Reported

2024-05-31 02:21

Platform

win10v2004-20240508-en

Max time kernel

47s

Max time network

37s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28.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\351d72eb4a62cbc3ef362a21f2533bb57fbcd4ea5d56e26624331a6b518edf28.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 docs.google.com udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa 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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 94.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/1156-0-0x00007FFC44490000-0x00007FFC444A0000-memory.dmp

memory/1156-2-0x00007FFC44490000-0x00007FFC444A0000-memory.dmp

memory/1156-1-0x00007FFC44490000-0x00007FFC444A0000-memory.dmp

memory/1156-3-0x00007FFC44490000-0x00007FFC444A0000-memory.dmp

memory/1156-4-0x00007FFC44490000-0x00007FFC444A0000-memory.dmp

memory/1156-5-0x00007FFC844AD000-0x00007FFC844AE000-memory.dmp

memory/1156-6-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-8-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-7-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-9-0x00007FFC421F0000-0x00007FFC42200000-memory.dmp

memory/1156-11-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-10-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-12-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-16-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-15-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-14-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-19-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-18-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-17-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-13-0x00007FFC421F0000-0x00007FFC42200000-memory.dmp

memory/1156-73-0x00007FFC84410000-0x00007FFC84605000-memory.dmp

memory/1156-156-0x00007FFC84410000-0x00007FFC84605000-memory.dmp