Malware Analysis Report

2025-01-22 12:10

Sample ID 240531-cverlsbg91
Target c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d
SHA256 c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d
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

c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d

Threat Level: Likely malicious

The file c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d 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 02:23

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 02:23

Reported

2024-05-31 02:24

Platform

win7-20240215-en

Max time kernel

46s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d.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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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\c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d.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/384-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/384-1-0x0000000072A0D000-0x0000000072A18000-memory.dmp

memory/384-26-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-64-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-63-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-65-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-66-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-67-0x0000000072A0D000-0x0000000072A18000-memory.dmp

memory/384-68-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-69-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-70-0x00000000066D0000-0x00000000067D0000-memory.dmp

memory/384-71-0x00000000066D0000-0x00000000067D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:23

Reported

2024-05-31 02:24

Platform

win10v2004-20240508-en

Max time kernel

47s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d.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\c2dae108b6a8b9f9b5321ebef9b19f5e807f6991315e35bfb9522d0b80e74c4d.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.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 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 48.192.11.51.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/1988-0-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

memory/1988-2-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

memory/1988-4-0x00007FFE4F64D000-0x00007FFE4F64E000-memory.dmp

memory/1988-5-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

memory/1988-3-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

memory/1988-1-0x00007FFE0F630000-0x00007FFE0F640000-memory.dmp

memory/1988-8-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-7-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-6-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-10-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-9-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-11-0x00007FFE0D450000-0x00007FFE0D460000-memory.dmp

memory/1988-13-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-12-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-14-0x00007FFE0D450000-0x00007FFE0D460000-memory.dmp

memory/1988-92-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

memory/1988-151-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp