Malware Analysis Report

2025-03-15 07:56

Sample ID 240806-f3n7ss1anm
Target malwarers.doc
SHA256 1c8d2db41d2ffc6da5c52a203ec8be94253c35b27e073447889c8af3cfa1be4f
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

1c8d2db41d2ffc6da5c52a203ec8be94253c35b27e073447889c8af3cfa1be4f

Threat Level: Likely malicious

The file malwarers.doc was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-06 05:24

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-06 05:24

Reported

2024-08-06 05:24

Platform

win7-20240729-en

Max time kernel

24s

Max time network

17s

Command Line

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

Signatures

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\malwarers.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2508-0-0x000000002F441000-0x000000002F442000-memory.dmp

memory/2508-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2508-2-0x0000000073F2D000-0x0000000073F38000-memory.dmp

memory/2508-8-0x0000000006840000-0x0000000006940000-memory.dmp

memory/2508-9-0x0000000073F2D000-0x0000000073F38000-memory.dmp

memory/2508-10-0x0000000006840000-0x0000000006940000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 05:24

Reported

2024-08-06 05:24

Platform

win10v2004-20240802-en

Max time kernel

34s

Max time network

35s

Command Line

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

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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.17.209.140:443 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
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/632-0-0x00007FF9CD850000-0x00007FF9CD860000-memory.dmp

memory/632-3-0x00007FFA0D86D000-0x00007FFA0D86E000-memory.dmp

memory/632-2-0x00007FF9CD850000-0x00007FF9CD860000-memory.dmp

memory/632-1-0x00007FF9CD850000-0x00007FF9CD860000-memory.dmp

memory/632-4-0x00007FF9CD850000-0x00007FF9CD860000-memory.dmp

memory/632-7-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-5-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-6-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-8-0x00007FF9CD850000-0x00007FF9CD860000-memory.dmp

memory/632-11-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-10-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-13-0x00007FF9CAF80000-0x00007FF9CAF90000-memory.dmp

memory/632-9-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-12-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

memory/632-14-0x00007FF9CAF80000-0x00007FF9CAF90000-memory.dmp

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

MD5 042c451cabc83fc4ff17af5073a3ff03
SHA1 9cb5f11cec721d24afce50e8f75c45365fdbc567
SHA256 7ab77617fbed91eebd355a86724472df2cdc6426b52707fa78000c33f8facd7c
SHA512 3a483b5bd302dd3b97b545cee1fc355d78154f6e22dfd3a374a18f204eb0c07681c8bef59ed95458f62221195827e30aff6257fb4cbb8cb3de6e954927f958d4

memory/632-28-0x00007FFA0D7D0000-0x00007FFA0D9C5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TCD3D92.tmp\iso690.xsl

MD5 ff0e07eff1333cdf9fc2523d323dd654
SHA1 77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512 b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d