Malware Analysis Report

2025-03-15 07:02

Sample ID 231230-1s2qcsgbhj
Target 1dbc8a6260a6270e95f405d3cd937d30
SHA256 3f7effc8c02200e690f251a4d883589c75f7ef1f1af1ab97f95d0358b93b6e8d
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

3f7effc8c02200e690f251a4d883589c75f7ef1f1af1ab97f95d0358b93b6e8d

Threat Level: Known bad

The file 1dbc8a6260a6270e95f405d3cd937d30 was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Views/modifies file attributes

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-30 21:55

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 21:55

Reported

2024-01-01 07:43

Platform

win7-20231129-en

Max time kernel

1s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1dbc8a6260a6270e95f405d3cd937d30.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

Office loads VBA resources, possible macro or embedded object present

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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 1108 wrote to memory of 1764 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1764 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1764 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1764 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1776 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1776 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1776 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1776 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1452 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1452 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1452 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 1452 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 2924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1764 wrote to memory of 2924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1764 wrote to memory of 2924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1764 wrote to memory of 2924 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe

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\1dbc8a6260a6270e95f405d3cd937d30.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/1108-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1108-1-0x000000007222D000-0x0000000072238000-memory.dmp

memory/1108-17-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-58-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-60-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-100-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-102-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-158-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-214-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-232-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-184-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-264-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-265-0x000000007222D000-0x0000000072238000-memory.dmp

memory/1108-268-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-311-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-313-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-315-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-160-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-342-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-343-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-344-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-346-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-345-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-347-0x0000000006310000-0x0000000006410000-memory.dmp

memory/1108-350-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1108-351-0x000000007222D000-0x0000000072238000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 21:55

Reported

2024-01-01 07:44

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1dbc8a6260a6270e95f405d3cd937d30.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\1dbc8a6260a6270e95f405d3cd937d30.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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 52.111.227.14:443 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 204.79.197.200:443 g.bing.com tcp
GB 88.221.135.211:80 tcp

Files

memory/4268-0-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-4-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-8-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-11-0x00007FFEC33F0000-0x00007FFEC3400000-memory.dmp

memory/4268-14-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-17-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-16-0x00007FFEC33F0000-0x00007FFEC3400000-memory.dmp

memory/4268-19-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-21-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-20-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-18-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-15-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-13-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-12-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-10-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-9-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-7-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-6-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-5-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-3-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-2-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-1-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-29-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-41-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-42-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-43-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-44-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-48-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-54-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-55-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-56-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-53-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-57-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-58-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-59-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-60-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-61-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-62-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-63-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-64-0x0000013BF3430000-0x0000013BF4400000-memory.dmp

memory/4268-77-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-121-0x0000013BEE0B0000-0x0000013BEE8B0000-memory.dmp

memory/4268-140-0x00007FFF05530000-0x00007FFF05725000-memory.dmp

memory/4268-139-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-138-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-137-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp

memory/4268-136-0x00007FFEC55B0000-0x00007FFEC55C0000-memory.dmp