Malware Analysis Report

2025-01-22 16:06

Sample ID 241111-t6aepszrhs
Target c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38
SHA256 c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38
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

c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38

Threat Level: Known bad

The file c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38 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

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 16:39

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 16:39

Reported

2024-11-11 16:42

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38.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\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
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
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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 2504 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 3048 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2816 wrote to memory of 1740 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe

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\c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 prprofile.com udp
US 69.16.217.5:443 prprofile.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
US 8.8.8.8:53 retardantedefuegoperu.com udp
US 8.8.8.8:53 survei.absensi.net udp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/2816-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2816-1-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

memory/2816-17-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 16:39

Reported

2024-11-11 16:42

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\c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38.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\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.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 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\c9783dacedb0d0cc0b282af2bf5985aea465a6a87dc8cca9e64b4846c6d43d38.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.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 prprofile.com udp
US 69.16.217.5:443 prprofile.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
US 8.8.8.8:53 retardantedefuegoperu.com udp
US 8.8.8.8:53 survei.absensi.net udp
US 8.8.8.8:53 47.28.109.52.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 5.217.16.69.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/3952-0-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/3952-1-0x00007FFB60F0D000-0x00007FFB60F0E000-memory.dmp

memory/3952-2-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/3952-3-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/3952-4-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/3952-9-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-5-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/3952-10-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-12-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-13-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-14-0x00007FFB1ED00000-0x00007FFB1ED10000-memory.dmp

memory/3952-11-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-8-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-15-0x00007FFB1ED00000-0x00007FFB1ED10000-memory.dmp

memory/3952-7-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-6-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-18-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-17-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-16-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-34-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/3952-35-0x00007FFB60F0D000-0x00007FFB60F0E000-memory.dmp

memory/3952-36-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

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

MD5 7f040563a038e7fc5a64a9eb0abc129f
SHA1 12b91b96d042996ac434537e20a46af10ccf18d0
SHA256 0f3e49ebafdfa7b8a449e15c61eebe42ab43fe6b933ada29e45f698a41d7c972
SHA512 7328cd899862a34b4f40ad2d32ce938f57d878aedbe9245c841502642a5a315ff5c56ff8525700c091274a6bd18b30e96f4049c913300673c77294e5778a146b