Malware Analysis Report

2025-03-15 07:55

Sample ID 240814-pyex1axemk
Target 82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6
SHA256 82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6
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

82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6

Threat Level: Likely malicious

The file 82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-14 12:43

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

2024-08-14 12:43

Reported

2024-08-14 12:46

Platform

win7-20240729-en

Max time kernel

67s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6.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\82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/1692-0-0x000000002F7F1000-0x000000002F7F2000-memory.dmp

memory/1692-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1692-2-0x00000000739FD000-0x0000000073A08000-memory.dmp

memory/1692-5-0x00000000739FD000-0x0000000073A08000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 12:43

Reported

2024-08-14 12:46

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6.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 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\82694647003053446a4f6a023bcfc99eadf52024ba6bad0a73046e85c63c4fd6.doc" /o ""

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4228,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:8

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 58.55.71.13.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
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 213.143.182.52.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 97.17.167.52.in-addr.arpa udp
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
US 8.8.8.8:53 123.209.17.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 224.162.46.104.in-addr.arpa udp

Files

memory/3648-0-0x00007FFF8E710000-0x00007FFF8E720000-memory.dmp

memory/3648-2-0x00007FFF8E710000-0x00007FFF8E720000-memory.dmp

memory/3648-1-0x00007FFF8E710000-0x00007FFF8E720000-memory.dmp

memory/3648-4-0x00007FFF8E710000-0x00007FFF8E720000-memory.dmp

memory/3648-3-0x00007FFF8E710000-0x00007FFF8E720000-memory.dmp

memory/3648-5-0x00007FFFCE72D000-0x00007FFFCE72E000-memory.dmp

memory/3648-8-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-7-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-6-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-10-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-13-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-12-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-15-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-17-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-18-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-20-0x00007FFF8C410000-0x00007FFF8C420000-memory.dmp

memory/3648-19-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-16-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-14-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-11-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-9-0x00007FFF8C410000-0x00007FFF8C420000-memory.dmp

memory/3648-29-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-49-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-57-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-87-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-88-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

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

MD5 1aecdb3a8d3cab7456c432b9796c88d6
SHA1 6b9dc53817bf20b52d19c64a68dbe8bf09601df3
SHA256 4b2658a6dfb3ae0c1dba23dd120b3293763fef4f2b2a43af999100a2ca3dc87c
SHA512 0a756c44192628e648063cba60b1addcc85a95c397bb239b5bf4fb8f4bd7716ebdc230206b3ee2cfe91bb7aba9bcb3c2566c97bfccff3c0943b04751904aff64

memory/3648-103-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-104-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TCD9205.tmp\sist02.xsl

MD5 f883b260a8d67082ea895c14bf56dd56
SHA1 7954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512 d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

memory/3648-249-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-250-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-251-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-252-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp

memory/3648-253-0x00007FFFCE690000-0x00007FFFCE885000-memory.dmp