Malware Analysis Report

2025-03-15 06:59

Sample ID 240109-wyt59afcek
Target 4ee4f9d3e300160baa41695bd597a238.xls
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.xls was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Modifies Internet Explorer settings

Views/modifies file attributes

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-09 18:20

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 18:20

Reported

2024-01-09 18:23

Platform

win7-20231215-en

Max time kernel

0s

Max time network

119s

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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\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/2312-1-0x00000000720FD000-0x0000000072108000-memory.dmp

memory/2312-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2312-6-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-32-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-34-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-73-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-104-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-106-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-125-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-174-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-215-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-238-0x00000000720FD000-0x0000000072108000-memory.dmp

memory/2312-268-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-266-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-312-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-240-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-163-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-341-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-342-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-343-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-344-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-345-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-346-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-347-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-348-0x0000000006360000-0x0000000006460000-memory.dmp

memory/2312-351-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2312-352-0x00000000720FD000-0x0000000072108000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-09 18:20

Reported

2024-01-09 18:23

Platform

win10v2004-20231222-en

Max time kernel

0s

Max time network

76s

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

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\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 RD /S /Q "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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 182.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp

Files

memory/4876-0-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-5-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-6-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-9-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-11-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-13-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-17-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-18-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-20-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-22-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-23-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-21-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-19-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-16-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-15-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-14-0x00007FFAE94B0000-0x00007FFAE94C0000-memory.dmp

memory/4876-12-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-10-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-8-0x00007FFAE94B0000-0x00007FFAE94C0000-memory.dmp

memory/4876-7-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-4-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-3-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-2-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-31-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-40-0x00000239CD250000-0x00000239CD650000-memory.dmp

memory/4876-43-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-1-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-48-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-52-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-55-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-56-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-54-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-57-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-58-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-70-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-72-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-116-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-118-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-117-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-119-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-120-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-121-0x00000239CD250000-0x00000239CD650000-memory.dmp

memory/4876-122-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-123-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-124-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-125-0x00000239D3420000-0x00000239D43F0000-memory.dmp

memory/4876-126-0x00000239CE770000-0x00000239CEF70000-memory.dmp

memory/4876-145-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4876-144-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-143-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-142-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4876-141-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp