Malware Analysis Report

2025-01-22 16:08

Sample ID 241111-t98fxavmhl
Target 543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9
SHA256 543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9
Tags
macro xlm discovery
score
10/10

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
10/10

SHA256

543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9

Threat Level: Known bad

The file 543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 16:46

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 16:46

Reported

2024-11-11 16:49

Platform

win7-20240903-en

Max time kernel

138s

Max time network

140s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9.xlsm

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\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

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

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\543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9.xlsm

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 foroviviendaparaguay.com udp
US 103.224.212.214:80 foroviviendaparaguay.com tcp
US 8.8.8.8:53 ww25.foroviviendaparaguay.com udp
US 199.59.243.227:80 ww25.foroviviendaparaguay.com tcp

Files

C:\Users\Admin\xda.ocx

MD5 802e75801084ea5f4a4c5f4c2044c389
SHA1 94a59d167ef4e7e2e4b606639c4230923f32ce51
SHA256 901f335c122520066ae363563a7987fb0a3b9c5ba5e430e1f0f393d9cd09abac
SHA512 1e3b66f4b86c9904b94a9213fe1917fdb0ce663052c3b8633e13d9ccea981632ea77469684f4ef075c8427789a61c6b8e5703d1a7da83b5de1c6960bf6a7bc60

memory/2844-1-0x0000000071F7D000-0x0000000071F88000-memory.dmp

memory/2844-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2844-9-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 16:46

Reported

2024-11-11 16:49

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

138s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9.xlsm"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWow64\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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\543496c9b631b5ef026c8bfad42e80214f4e78aa925efe71c1788d756bbeaba9.xlsm"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 foroviviendaparaguay.com udp
US 103.224.212.214:80 foroviviendaparaguay.com tcp
US 8.8.8.8:53 ww25.foroviviendaparaguay.com udp
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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 214.212.224.103.in-addr.arpa udp
US 199.59.243.227:80 ww25.foroviviendaparaguay.com tcp
US 8.8.8.8:53 227.243.59.199.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3388-0-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

memory/3388-1-0x00007FFECCFED000-0x00007FFECCFEE000-memory.dmp

memory/3388-3-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

memory/3388-5-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-6-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-4-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

memory/3388-2-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

memory/3388-7-0x00007FFE8CFD0000-0x00007FFE8CFE0000-memory.dmp

memory/3388-8-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-9-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-13-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-15-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-16-0x00007FFE8AAB0000-0x00007FFE8AAC0000-memory.dmp

memory/3388-14-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-17-0x00007FFE8AAB0000-0x00007FFE8AAC0000-memory.dmp

memory/3388-12-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-18-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-11-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-10-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

C:\Users\Admin\xda.ocx

MD5 f488b8c1ccbdcf9a508e1729a562aed6
SHA1 c53de8352e22bafc60b77553ace05142aff73def
SHA256 1852215c87e4f47ae95ba641180a5d54d3bf94ee722a54325450c111aca04c34
SHA512 7d745d51042af07ac5f406c702536cd9b3b8b58e86c805214545ab45ebb7b843ce77a36ad51203a6f1f30a30ba6b33d4dbf1d818db3eed3392fa16e9e61962b8

memory/3388-33-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

memory/3388-34-0x00007FFECCFED000-0x00007FFECCFEE000-memory.dmp

memory/3388-38-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 33117f866d878b85db7e5f8070aacab7
SHA1 12250bff8b7a2deeeb67fb253a3a6c56b0685b71
SHA256 5476e9ba660eabe88e0ea370a43af371eb6b118d78c53ce2e3fa9c1a978c36b1
SHA512 ce5833f871075ae28d38ea6c4e64dde85920c42c74978eb0c7b69456dc7e298194bee587d7892246d779f7940a01a2e420b6f2829ed1a21ca3f9600e21eb315a