Malware Analysis Report

2024-10-24 17:09

Sample ID 240904-14ltaaxdpm
Target 580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8
SHA256 580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8
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

580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8

Threat Level: Known bad

The file 580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8 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

Modifies registry class

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

2024-09-04 22:12

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 22:12

Reported

2024-09-04 22:13

Platform

win7-20240903-en

Max time kernel

19s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.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\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\a7mo1.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 syracuse.best udp

Files

memory/2712-1-0x000000007226D000-0x0000000072278000-memory.dmp

memory/2712-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2712-2-0x000000007226D000-0x0000000072278000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 22:12

Reported

2024-09-04 22:13

Platform

win10v2004-20240802-en

Max time kernel

59s

Max time network

33s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.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\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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_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 4996 wrote to memory of 1824 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4996 wrote to memory of 1824 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 3868 wrote to memory of 2164 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 3868 wrote to memory of 2164 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\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\v1sL27.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\v1sL27.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 syracuse.best udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp

Files

memory/4996-2-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

memory/4996-1-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

memory/4996-3-0x00007FFBE0CCD000-0x00007FFBE0CCE000-memory.dmp

memory/4996-0-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

memory/4996-7-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

memory/4996-6-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

memory/4996-5-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

memory/4996-4-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

memory/4996-8-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

memory/4996-9-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

memory/4996-10-0x00007FFB9EC50000-0x00007FFB9EC60000-memory.dmp

memory/4996-11-0x00007FFB9EC50000-0x00007FFB9EC60000-memory.dmp

C:\Users\Public\Documents\v1sL27.vbs

MD5 b22bcfc73cf8e6a86ced79ca6ef2c207
SHA1 6940977ef8fc23606808118bafbbe77e350c225f
SHA256 9b60c521aee21bca191c7403766a146de0b5391eb8cdbe29d77c5a0f8f705455
SHA512 fae3ff23540b18fcd7ffce4ded2a3a11d6276c04d25d0fedcbc46e90e50db71a37ebccb11f8ac1a09dae8674dd3e16f7ab60b55b8470c3e337c3728ca19c44bd

memory/4996-23-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp