Malware Analysis Report

2025-01-22 19:11

Sample ID 240724-rczrdszbpr
Target document.mht
SHA256 46a239bd13dd1d5c71b7c62939025249d079a3b5922dc7826e8fd83e978e8c13
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

46a239bd13dd1d5c71b7c62939025249d079a3b5922dc7826e8fd83e978e8c13

Threat Level: Likely malicious

The file document.mht was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Suspicious Office macro

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

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-24 14:03

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

2024-07-24 14:03

Reported

2024-07-24 14:04

Platform

win7-20240704-en

Max time kernel

24s

Max time network

19s

Command Line

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

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2120-0-0x000000002FF21000-0x000000002FF22000-memory.dmp

memory/2120-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2120-2-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

memory/2120-5-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 14:03

Reported

2024-07-24 14:04

Platform

win10v2004-20240709-en

Max time kernel

25s

Max time network

21s

Command Line

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

Signatures

Checks processor information in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\document.doc" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.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 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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
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 24.211.222.173.in-addr.arpa udp

Files

memory/2364-0-0x00007FFA98190000-0x00007FFA981A0000-memory.dmp

memory/2364-2-0x00007FFA98190000-0x00007FFA981A0000-memory.dmp

memory/2364-3-0x00007FFA98190000-0x00007FFA981A0000-memory.dmp

memory/2364-1-0x00007FFA98190000-0x00007FFA981A0000-memory.dmp

memory/2364-5-0x00007FFAD81AD000-0x00007FFAD81AE000-memory.dmp

memory/2364-4-0x00007FFA98190000-0x00007FFA981A0000-memory.dmp

memory/2364-6-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-8-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-7-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-9-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-10-0x00007FFA95890000-0x00007FFA958A0000-memory.dmp

memory/2364-12-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-11-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-13-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-15-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

memory/2364-16-0x00007FFA95890000-0x00007FFA958A0000-memory.dmp

memory/2364-14-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp

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

MD5 99c3c77931a3640ee8eeb3d9262ec658
SHA1 ff6bd866cfc1a26ef61412aacb9742bfc40351c8
SHA256 2249aa94313966c78369974e1d184fdc9c423e58b8b79a92e65afdbc2605d506
SHA512 370dc3e5513b44cdf23eb73dcbb5782b39a1433615c00032a3d0bc90000798cfde342e201d1dc1dee7578a068c47f172d3983d4705e47a192acefcddb2dcdb96

C:\Users\Admin\AppData\Local\Temp\TCDF4C9.tmp\iso690.xsl

MD5 ff0e07eff1333cdf9fc2523d323dd654
SHA1 77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512 b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

memory/2364-216-0x00007FFAD8110000-0x00007FFAD8305000-memory.dmp