Malware Analysis Report

2025-03-15 07:04

Sample ID 240109-vs31jaefhp
Target 4ee4f9d3e300160baa41695bd597a238
SHA256 58c0ea4a770bf33a1d3f359370e9fb7e4542d612f920bd6fd97570f16b7ab30d
Tags
macro xlm
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

58c0ea4a770bf33a1d3f359370e9fb7e4542d612f920bd6fd97570f16b7ab30d

Threat Level: Known bad

The file 4ee4f9d3e300160baa41695bd597a238 was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Deletes itself

Suspicious use of SetWindowsHookEx

Views/modifies file attributes

Enumerates system info in registry

NTFS ADS

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-09 17:16

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-09 17:16

Reported

2024-01-09 17:18

Platform

win7-20231129-en

Max time kernel

0s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4ee4f9d3e300160baa41695bd597a238.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
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
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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.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\4ee4f9d3e300160baa41695bd597a238.xls

C:\Windows\SysWOW64\attrib.exe

attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

Network

N/A

Files

memory/2900-1-0x000000007281D000-0x0000000072828000-memory.dmp

memory/2900-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2900-26-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-30-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-32-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2900-31-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-54-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-29-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-79-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-28-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-103-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-27-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-25-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-127-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-24-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-148-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-169-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-195-0x000000007281D000-0x0000000072828000-memory.dmp

memory/2900-199-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-197-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2900-221-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-244-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2900-246-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-269-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-23-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-312-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-22-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-21-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-314-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-20-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-19-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-18-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-17-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-16-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-15-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-14-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-13-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-12-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-11-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-10-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-9-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-6-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2900-342-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-343-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-344-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-345-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-346-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-347-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-348-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-349-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2900-353-0x000000007281D000-0x0000000072828000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-09 17:16

Reported

2024-01-09 17:19

Platform

win10v2004-20231222-en

Max time kernel

139s

Max time network

130s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4ee4f9d3e300160baa41695bd597a238.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
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
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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\DF575E00\:Zone.Identifier:$DATA 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

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\attrib.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\4ee4f9d3e300160baa41695bd597a238.xls"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\attrib.exe

attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 13.107.21.200:443 g.bing.com tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 200.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/3648-0-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-2-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-1-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-3-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-6-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-7-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-11-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-12-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-18-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-17-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-21-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-22-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-23-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-20-0x00007FF7C5920000-0x00007FF7C5930000-memory.dmp

memory/3648-19-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-16-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-15-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-14-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-13-0x00007FF7C5920000-0x00007FF7C5930000-memory.dmp

memory/3648-10-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-9-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-8-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-5-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-4-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-30-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-45-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-48-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-53-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-54-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-55-0x000001F730770000-0x000001F731740000-memory.dmp

memory/3648-56-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-57-0x000001F730770000-0x000001F731740000-memory.dmp

memory/3648-51-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-70-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-109-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-113-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-116-0x00007FF807F70000-0x00007FF808165000-memory.dmp

memory/3648-118-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-119-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-117-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-120-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-121-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-122-0x000001F730770000-0x000001F731740000-memory.dmp

memory/3648-123-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-124-0x000001F730770000-0x000001F731740000-memory.dmp

memory/3648-125-0x000001F72B030000-0x000001F72B830000-memory.dmp

memory/3648-140-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-141-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-142-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-143-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp

memory/3648-144-0x00007FF807F70000-0x00007FF808165000-memory.dmp