Malware Analysis Report

2025-01-22 16:10

Sample ID 241111-vzbvmaseqg
Target 617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc
SHA256 617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc
Tags
discovery macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc

Threat Level: Known bad

The file 617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc 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

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

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 17:25

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:25

Reported

2024-11-11 17:27

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

139s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc.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\617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc.xlsm"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 dan-bau.com udp
US 8.8.8.8:53 advisereviews.com udp
US 195.35.10.123:443 advisereviews.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 123.10.35.195.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 www.advisereviews.com udp
US 195.35.10.123:443 www.advisereviews.com tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4860-0-0x00007FFB8760D000-0x00007FFB8760E000-memory.dmp

memory/4860-2-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

memory/4860-3-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

memory/4860-4-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

memory/4860-5-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

memory/4860-8-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-9-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-10-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-7-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-11-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

memory/4860-6-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-12-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

memory/4860-1-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

memory/4860-15-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-16-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-17-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-18-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-22-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-21-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-20-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-19-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-14-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-13-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

C:\Users\Admin\aew.ocx

MD5 d8c58d85f9ec5b722d64ca42f5d7343e
SHA1 923637a47557c566f431f8e3266613384b869f0d
SHA256 dbb8f099f17b1c976b7f3a73b7ff943400cea381236a797537152c5eacc88784
SHA512 c91452d8f0ab4bb11283dd0d43c7d2b9ae74ae30711286c71891461c0a0effa51896ff1f26499ec5f9da0d627d114af0de7b95dcca3676721f793b44d8226b0d

memory/4860-40-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-41-0x00007FFB8760D000-0x00007FFB8760E000-memory.dmp

memory/4860-42-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

memory/4860-43-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

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

MD5 484b822a8a6c28bfdc6cfd29b722fc17
SHA1 f8619ef11297688083ed6c75306970671f5493ed
SHA256 7d10497b0edfe0d0c9775a49e58b07a86e2e427e24117ed05461ab9a8e0853ce
SHA512 02d57bbb285c48bf3c16db728b27f5b9ab974f3a1a66704b111e8f470b8c65308b8a108fe63df2e629e682dc00e78578cc14af1a1d93d31cbea24b4f77d5fa9b

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 17:25

Reported

2024-11-11 17:27

Platform

win7-20241023-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc.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\617b83ab9876b8efcc91cc8dcd87dff1a1e98fbe175f845426e7d18e6ef1eabc.xlsm

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 dan-bau.com udp
US 8.8.8.8:53 advisereviews.com udp
US 195.35.10.123:443 advisereviews.com tcp
US 8.8.8.8:53 www.advisereviews.com udp
US 195.35.10.123:443 www.advisereviews.com tcp

Files

memory/2064-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2064-1-0x000000007209D000-0x00000000720A8000-memory.dmp

C:\Users\Admin\aew.ocx

MD5 d8c58d85f9ec5b722d64ca42f5d7343e
SHA1 923637a47557c566f431f8e3266613384b869f0d
SHA256 dbb8f099f17b1c976b7f3a73b7ff943400cea381236a797537152c5eacc88784
SHA512 c91452d8f0ab4bb11283dd0d43c7d2b9ae74ae30711286c71891461c0a0effa51896ff1f26499ec5f9da0d627d114af0de7b95dcca3676721f793b44d8226b0d

memory/2064-17-0x000000007209D000-0x00000000720A8000-memory.dmp