Malware Analysis Report

2025-01-22 16:09

Sample ID 241111-vkzyxa1lev
Target e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c
SHA256 e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c
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

e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c

Threat Level: Known bad

The file e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c 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 behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:03

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 17:03

Reported

2024-11-11 17:06

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c.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 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2720 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2596 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2840 wrote to memory of 2664 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\e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c.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 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/2840-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2840-1-0x000000007375D000-0x0000000073768000-memory.dmp

memory/2840-17-0x000000007375D000-0x0000000073768000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:03

Reported

2024-11-11 17:06

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c.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 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

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\e4e03c867f9846c6f2c4e4501f5c0b34c1bbbcd5d4555cc637e7358c7216bb1c.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
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 2.23.210.82:80 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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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 82.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4588-0-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

memory/4588-2-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

memory/4588-3-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

memory/4588-5-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

memory/4588-4-0x00007FFF74A50000-0x00007FFF74A60000-memory.dmp

memory/4588-1-0x00007FFFB4A6D000-0x00007FFFB4A6E000-memory.dmp

memory/4588-9-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-8-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-7-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-6-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-11-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-12-0x00007FFF72480000-0x00007FFF72490000-memory.dmp

memory/4588-10-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-13-0x00007FFF72480000-0x00007FFF72490000-memory.dmp

memory/4588-14-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-17-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-21-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-23-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-22-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-20-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-19-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-18-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-16-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-15-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-47-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

memory/4588-48-0x00007FFFB4A6D000-0x00007FFFB4A6E000-memory.dmp

memory/4588-49-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp