Malware Analysis Report

2024-10-24 17:09

Sample ID 240905-x2bzhsxfmr
Target PaymentStatus.xls
SHA256 ef2ce641a4e9f270eea626e8e4800b0b97b4a436c40e7af30aeb6f02566b809c
Tags
macro xlm discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ef2ce641a4e9f270eea626e8e4800b0b97b4a436c40e7af30aeb6f02566b809c

Threat Level: Known bad

The file PaymentStatus.xls 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 WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 19:20

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 19:20

Reported

2024-09-05 19:23

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PaymentStatus.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
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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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\PaymentStatus.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv1.ooccxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv2.ooccxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv3.ooccxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv4.ooccxx

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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 audioselec.com udp
CR 190.171.124.51:443 audioselec.com tcp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 88.221.134.137:80 r11.o.lencr.org tcp
US 8.8.8.8:53 51.124.171.190.in-addr.arpa udp
US 8.8.8.8:53 168.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 137.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 geringer-muehle.de udp
DE 85.13.153.253:443 geringer-muehle.de tcp
US 8.8.8.8:53 intolove.co.uk udp
US 8.8.8.8:53 isc.net.ua udp
UA 185.156.41.6:80 isc.net.ua tcp
US 8.8.8.8:53 253.153.13.85.in-addr.arpa udp
US 8.8.8.8:53 6.41.156.185.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/5104-0-0x00007FFAF3CAD000-0x00007FFAF3CAE000-memory.dmp

memory/5104-1-0x00007FFAB3C90000-0x00007FFAB3CA0000-memory.dmp

memory/5104-2-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-5-0x00007FFAB3C90000-0x00007FFAB3CA0000-memory.dmp

memory/5104-10-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-11-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-12-0x00007FFAB15E0000-0x00007FFAB15F0000-memory.dmp

memory/5104-9-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-8-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-7-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-6-0x00007FFAB3C90000-0x00007FFAB3CA0000-memory.dmp

memory/5104-4-0x00007FFAB3C90000-0x00007FFAB3CA0000-memory.dmp

memory/5104-3-0x00007FFAB3C90000-0x00007FFAB3CA0000-memory.dmp

memory/5104-15-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-16-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-17-0x00007FFAB15E0000-0x00007FFAB15F0000-memory.dmp

memory/5104-14-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-13-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-36-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-37-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-38-0x00007FFAF3CAD000-0x00007FFAF3CAE000-memory.dmp

memory/5104-39-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-40-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-41-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

memory/5104-42-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

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

MD5 fbd924abc84bb73d91f2c1bb0956cb7b
SHA1 27a404b6f7a9055dcf7d6254bea47a1290f5a235
SHA256 ffac6529906c335c0ec8f79efd6b2289c59e089447c77e462f9f507f6136eaec
SHA512 18c35f34088a2349803c6b177becc24de8f532fcbd8f91944a79f7824004322ea461ecb179845770100b963fe91147c32a386f5c7aca684c8b4992dc9aa8ef5c

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-05 19:20

Reported

2024-09-05 19:23

Platform

win7-20240903-en

Max time kernel

144s

Max time network

123s

Command Line

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

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2796 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2120 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2816 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2296 wrote to memory of 2884 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\PaymentStatus.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv1.ooccxx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv2.ooccxx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv3.ooccxx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe ..\oxnv4.ooccxx

Network

Country Destination Domain Proto
US 8.8.8.8:53 audioselec.com udp
CR 190.171.124.51:443 audioselec.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 88.221.134.91:80 r11.o.lencr.org tcp
US 8.8.8.8:53 geringer-muehle.de udp
DE 85.13.153.253:443 geringer-muehle.de tcp
DE 85.13.153.253:443 geringer-muehle.de tcp
DE 85.13.153.253:443 geringer-muehle.de tcp
DE 85.13.153.253:443 geringer-muehle.de tcp
US 8.8.8.8:53 intolove.co.uk udp
US 8.8.8.8:53 isc.net.ua udp
UA 185.156.41.6:80 isc.net.ua tcp

Files

memory/2296-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2296-1-0x00000000723FD000-0x0000000072408000-memory.dmp

memory/2296-15-0x00000000723FD000-0x0000000072408000-memory.dmp