Malware Analysis Report

2025-03-15 05:22

Sample ID 240529-ct3r2seg5y
Target 923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9
SHA256 923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9
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

923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9

Threat Level: Likely malicious

The file 923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9 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

2024-05-29 02:22

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 02:22

Reported

2024-05-29 02:24

Platform

win7-20240221-en

Max time kernel

43s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9.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-1-5-21-1298544033-3225604241-2703760938-1000\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
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar 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\923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9.xlsm

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp
FR 142.250.178.142:443 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/2164-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2164-1-0x000000007271D000-0x0000000072728000-memory.dmp

memory/2164-22-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-40-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-65-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-52-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-66-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-67-0x000000007271D000-0x0000000072728000-memory.dmp

memory/2164-68-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-69-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-70-0x00000000066F0000-0x00000000067F0000-memory.dmp

memory/2164-71-0x00000000066F0000-0x00000000067F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 02:22

Reported

2024-05-29 02:24

Platform

win10v2004-20240426-en

Max time kernel

46s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9.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\923ed61a573049606aab4faa9b2d2e43fac25d8199b837e7aa3cb43d302b37b9.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 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 docs.google.com udp
FR 142.250.178.142:443 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 8.8.8.8:53 142.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp

Files

memory/3904-0-0x00007FFA27E70000-0x00007FFA27E80000-memory.dmp

memory/3904-2-0x00007FFA27E70000-0x00007FFA27E80000-memory.dmp

memory/3904-3-0x00007FFA27E70000-0x00007FFA27E80000-memory.dmp

memory/3904-4-0x00007FFA27E70000-0x00007FFA27E80000-memory.dmp

memory/3904-1-0x00007FFA27E70000-0x00007FFA27E80000-memory.dmp

memory/3904-5-0x00007FFA67E8D000-0x00007FFA67E8E000-memory.dmp

memory/3904-6-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-7-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-9-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-11-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-12-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-10-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-13-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

memory/3904-8-0x00007FFA259F0000-0x00007FFA25A00000-memory.dmp

memory/3904-14-0x00007FFA259F0000-0x00007FFA25A00000-memory.dmp

memory/3904-150-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp