Malware Analysis Report

2024-10-24 17:09

Sample ID 240904-111g9sxdkn
Target 97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588
SHA256 97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588
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

97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588

Threat Level: Known bad

The file 97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588 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

Checks processor information in registry

Modifies registry class

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 22:07

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 22:07

Reported

2024-09-04 22:08

Platform

win7-20240903-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.xls

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\rundll32.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\rundll32.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\97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\EHhoTRQN.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 markens.online udp
US 8.8.8.8:53 statedauto.com udp
US 54.208.224.251:443 statedauto.com tcp
US 34.202.219.172:443 statedauto.com tcp

Files

memory/2196-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2196-1-0x000000007403D000-0x0000000074048000-memory.dmp

memory/2196-2-0x000000007403D000-0x0000000074048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 22:07

Reported

2024-09-04 22:08

Platform

win10v2004-20240802-en

Max time kernel

59s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.xls"

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\explorer.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings C:\Windows\explorer.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4596 wrote to memory of 3800 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4596 wrote to memory of 3800 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4828 wrote to memory of 4968 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 4828 wrote to memory of 4968 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe

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\97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\NB127.vbs

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\NB127.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 markens.online udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp

Files

memory/4596-1-0x00007FFC7AF8D000-0x00007FFC7AF8E000-memory.dmp

memory/4596-0-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

memory/4596-3-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

memory/4596-2-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

memory/4596-5-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

memory/4596-4-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

memory/4596-6-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-9-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-8-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-12-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-13-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-14-0x00007FFC38900000-0x00007FFC38910000-memory.dmp

memory/4596-11-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-15-0x00007FFC38900000-0x00007FFC38910000-memory.dmp

memory/4596-10-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-17-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-16-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-19-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-21-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-20-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-18-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-7-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

C:\Users\Public\Documents\NB127.vbs

MD5 33808777eb2b9ed582ba7fdc79781e9c
SHA1 bdb5f3b64701de05ef0abfdf4632369d7ab81df4
SHA256 45d6efc5d51f8e67751f8e6c03eddb3dd6e1685691977d136d484fa146f679d0
SHA512 e8bd296488e5c2a3a2eccde2cdb71fea1da49aae5b679a992d70b69c9904cf5b2500408f9ef4bddc938a47cfac53a207b9a7248776d93882a04abd30e210940f

memory/4596-33-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-34-0x00007FFC7AF8D000-0x00007FFC7AF8E000-memory.dmp

memory/4596-35-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

memory/4596-36-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp