Malware Analysis Report

2025-03-15 07:58

Sample ID 240815-zxz7nayepk
Target 248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5
SHA256 248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5
Tags
macro macro_on_action discovery
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

248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5

Threat Level: Likely malicious

The file 248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-15 21:06

Signatures

Office macro that triggers on suspicious action

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-15 21:06

Reported

2024-08-15 21:07

Platform

win7-20240729-en

Max time kernel

53s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5.doc"

Signatures

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2488-0-0x000000002FA11000-0x000000002FA12000-memory.dmp

memory/2488-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2488-2-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

memory/2488-5-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 21:06

Reported

2024-08-15 21:07

Platform

win10v2004-20240802-en

Max time kernel

46s

Max time network

40s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5.doc" /o ""

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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\248666f8c95c0bf9ed9895b59d7f50af173103dc817f17c1f15857906235d7a5.doc" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.17.209.123:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 123.209.17.2.in-addr.arpa udp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
GB 173.222.211.24:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/5060-0-0x00007FFE7B8F0000-0x00007FFE7B900000-memory.dmp

memory/5060-1-0x00007FFEBB90D000-0x00007FFEBB90E000-memory.dmp

memory/5060-3-0x00007FFE7B8F0000-0x00007FFE7B900000-memory.dmp

memory/5060-2-0x00007FFE7B8F0000-0x00007FFE7B900000-memory.dmp

memory/5060-4-0x00007FFE7B8F0000-0x00007FFE7B900000-memory.dmp

memory/5060-5-0x00007FFE7B8F0000-0x00007FFE7B900000-memory.dmp

memory/5060-9-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-10-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-13-0x00007FFE791F0000-0x00007FFE79200000-memory.dmp

memory/5060-12-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-11-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-7-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-19-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-18-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-17-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-16-0x00007FFE791F0000-0x00007FFE79200000-memory.dmp

memory/5060-15-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-14-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-6-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-8-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/5060-37-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-38-0x00007FFEBB90D000-0x00007FFEBB90E000-memory.dmp

memory/5060-39-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

memory/5060-40-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

MD5 9491cef6ad0d19c96a17d6072b09e597
SHA1 b81f21c24bb9a586994f85d5d72109f67377365b
SHA256 f91022bf081d8c4f80ab05a74b7b5a2208d80f36cf80eef20e66b9c208028828
SHA512 d13e48ee05ec97e53e50a7e12c679cd311f0aae450631313266ee87ef7b7664678bccf0afc108528e05007cc7dd11ec95768e0ebbe11be38111b0086ea924fb2

C:\Users\Admin\AppData\Local\Temp\TCDED07.tmp\gb.xsl

MD5 51d32ee5bc7ab811041f799652d26e04
SHA1 412193006aa3ef19e0a57e16acf86b830993024a
SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA512 5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810