Malware Analysis Report

2025-03-15 05:21

Sample ID 240529-c9n9lafe2w
Target 4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c
SHA256 4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c
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

4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c

Threat Level: Likely malicious

The file 4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-29 02:46

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 02:46

Reported

2024-05-29 02:47

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\4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c.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\Toolbar\ShowDiscussionButton = "Yes" 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 (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
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\Toolbar 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
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
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

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\4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c.xlsm

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp
FR 142.250.201.174:443 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/2492-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2492-1-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

memory/2492-26-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-39-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-64-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-65-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-66-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-67-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

memory/2492-68-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-69-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-70-0x0000000005E30000-0x0000000005F30000-memory.dmp

memory/2492-71-0x0000000005E30000-0x0000000005F30000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 02:46

Reported

2024-05-29 02:47

Platform

win10v2004-20240508-en

Max time kernel

47s

Max time network

40s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c.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\4d23b014d30c1f22ebd4c639eb8cd2b16c007817f8203669c08fad8459e9864c.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 docs.google.com udp
FR 142.250.201.174:443 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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 174.201.250.142.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp

Files

memory/1624-0-0x00007FFF76650000-0x00007FFF76660000-memory.dmp

memory/1624-3-0x00007FFF76650000-0x00007FFF76660000-memory.dmp

memory/1624-2-0x00007FFF76650000-0x00007FFF76660000-memory.dmp

memory/1624-1-0x00007FFF76650000-0x00007FFF76660000-memory.dmp

memory/1624-4-0x00007FFFB666D000-0x00007FFFB666E000-memory.dmp

memory/1624-6-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-5-0x00007FFF76650000-0x00007FFF76660000-memory.dmp

memory/1624-7-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-10-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-9-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-8-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-11-0x00007FFF744E0000-0x00007FFF744F0000-memory.dmp

memory/1624-12-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-14-0x00007FFF744E0000-0x00007FFF744F0000-memory.dmp

memory/1624-13-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-16-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-17-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-20-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-15-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-19-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-18-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-21-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-75-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp

memory/1624-158-0x00007FFFB65D0000-0x00007FFFB67C5000-memory.dmp