Malware Analysis Report

2025-01-22 16:09

Sample ID 241111-vnszrsvqcn
Target 3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595
SHA256 3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595
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

3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595

Threat Level: Known bad

The file 3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595 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

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:08

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 17:08

Reported

2024-11-11 17:11

Platform

win7-20241010-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595.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\3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595.xlsm

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 henrysfreshroast.com udp
US 138.207.69.73:80 henrysfreshroast.com tcp
US 138.207.69.73:443 henrysfreshroast.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.82:80 r10.o.lencr.org tcp

Files

memory/2884-1-0x0000000072B2D000-0x0000000072B38000-memory.dmp

memory/2884-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\si.ocx

MD5 2fc1c11a3c2295b3194b1bf83b86982c
SHA1 8ae7381b0af50a07310f7ffbecfa780f7740305f
SHA256 4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA512 58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

memory/2884-23-0x0000000072B2D000-0x0000000072B38000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:08

Reported

2024-11-11 17:11

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595.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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\3f42439c38394a818a637454772c928ad06d3610d3604c2c440377667c690595.xlsm"

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 henrysfreshroast.com udp
US 138.207.69.73:80 henrysfreshroast.com tcp
US 138.207.69.73:443 henrysfreshroast.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.69.207.138.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4500-1-0x00007FFC94CCD000-0x00007FFC94CCE000-memory.dmp

memory/4500-0-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

memory/4500-3-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

memory/4500-2-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

memory/4500-4-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

memory/4500-6-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-5-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-8-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-10-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-9-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-11-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

memory/4500-7-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

memory/4500-12-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-14-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-13-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-15-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

memory/4500-16-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-18-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-17-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

C:\Users\Admin\si.ocx

MD5 2fc1c11a3c2295b3194b1bf83b86982c
SHA1 8ae7381b0af50a07310f7ffbecfa780f7740305f
SHA256 4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA512 58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

memory/4500-40-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-41-0x00007FFC94CCD000-0x00007FFC94CCE000-memory.dmp

memory/4500-42-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

memory/4500-46-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

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

MD5 7331add482f650fdbd8fca8b89f5a7c6
SHA1 e03e3ac52b90f594201492648c81354763ca9ae5
SHA256 db01b43db3997c4a56e434cbf91c8179601154ffa66b31f81707af504f5ffe59
SHA512 363dafabe6f96a28622e1435a37fb183e3ffdb7aec9c4531e9411097cd132e69c4e91ba0ebfe4924d879d76b2fa21aec0bb1f6fdd5c764d06dda48c263d4a4db