Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zm75hsweqc
Target f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec
SHA256 f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec
Tags
discovery macro xlm
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

f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec

Threat Level: Known bad

The file f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:51

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 20:51

Reported

2024-11-11 20:53

Platform

win7-20240903-en

Max time kernel

137s

Max time network

140s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec.xlsm

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWow64\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

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\f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec.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

memory/2476-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2476-1-0x00000000729CD000-0x00000000729D8000-memory.dmp

C:\Users\Admin\xda.ocx

MD5 44c41b5e683930967e63ea5dc547202e
SHA1 30d98c1ec88b2e4afdd17fc1c0630ba506c0324e
SHA256 10f0cdd061c3c42bc4813520f2d168c566d3bf7a12acd04cf6b967685fc396eb
SHA512 b4ef77a665c88f8ab69b67f94c1e9e1104352c21548fd7a11012a081c0c3d7982c43dfd3aa368282a6842bec69ad7c192254cd41067b08d613913df7d66a829d

memory/2476-9-0x00000000729CD000-0x00000000729D8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:51

Reported

2024-11-11 20:53

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec.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\f73689ec2c5b068044c2663232f579af785365925592a7a2fe6dea90ef0b22ec.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.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 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
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 214.212.224.103.in-addr.arpa udp
US 8.8.8.8:53 227.243.59.199.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4980-1-0x00007FF99426D000-0x00007FF99426E000-memory.dmp

memory/4980-3-0x00007FF954250000-0x00007FF954260000-memory.dmp

memory/4980-2-0x00007FF954250000-0x00007FF954260000-memory.dmp

memory/4980-0-0x00007FF954250000-0x00007FF954260000-memory.dmp

memory/4980-6-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-7-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-4-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-8-0x00007FF954250000-0x00007FF954260000-memory.dmp

memory/4980-5-0x00007FF954250000-0x00007FF954260000-memory.dmp

memory/4980-9-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-10-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-15-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-14-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-16-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-17-0x00007FF9518F0000-0x00007FF951900000-memory.dmp

memory/4980-13-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-12-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-11-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-19-0x00007FF9518F0000-0x00007FF951900000-memory.dmp

C:\Users\Admin\xda.ocx

MD5 eb037c18ef436975c15256dd2a0ec938
SHA1 9886ac45b2ab7e2568437d34bb952b820609263f
SHA256 6ef0a16f64b5c54ad4175af2976c3cfc4388e8c8fc44606ba844c4958982eb9b
SHA512 cf6878aa711e6f88fdf8e04be7f56f51a11aafe0d600dcef62d31e87daed4dedd141aef77c91ccf62ff667742668583e54d9c35687523cca9df12b33377c8c08

memory/4980-33-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-34-0x00007FF99426D000-0x00007FF99426E000-memory.dmp

memory/4980-35-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

memory/4980-36-0x00007FF9941D0000-0x00007FF9943C5000-memory.dmp

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

MD5 1f93521460fa1af242d6fac401978385
SHA1 18e29b2c46d5737ee8596e976a3c9693c8fa1910
SHA256 766860fc181633f518b31216c54115f0809d4d75cfb9ca4925a4447d369876e4
SHA512 1510de1221b549ec4be6892c4e803895e39b64be7792839a9204d0d1910444504258a0822eff442a7554abda09adb9177e8f544614b4bb654c166194c30c253d