Malware Analysis Report

2025-01-22 19:11

Sample ID 240723-17akes1hrm
Target af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c
SHA256 af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c
Tags
macro macro_on_action discovery
score
8/10

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
8/10

SHA256

af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c

Threat Level: Likely malicious

The file af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

Process spawned suspicious child process

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 22:16

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

2024-07-23 22:16

Reported

2024-07-23 22:18

Platform

win7-20240704-en

Max time kernel

17s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c.xls

Signatures

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

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

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\af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c.xls

Network

N/A

Files

memory/2296-1-0x0000000072B3D000-0x0000000072B48000-memory.dmp

memory/2296-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2296-3-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-55-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-35-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-18-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-17-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-16-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-15-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-14-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-13-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-12-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-11-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-10-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-9-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-8-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-7-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-6-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-5-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-4-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-2-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-68-0x00000000003E0000-0x00000000004E0000-memory.dmp

memory/2296-69-0x0000000072B3D000-0x0000000072B48000-memory.dmp

memory/2296-70-0x00000000003E0000-0x00000000004E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 22:16

Reported

2024-07-23 22:18

Platform

win10v2004-20240709-en

Max time kernel

35s

Max time network

41s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c.xls"

Signatures

Process spawned suspicious 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:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\dwwin.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\system32\dwwin.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 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\af331a8b505123c53688efff14d34e0a7e415e2bb4baa4a9986b0e449f42002c.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4852

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4852

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 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/4048-3-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-1-0x00007FFAC28CD000-0x00007FFAC28CE000-memory.dmp

memory/4048-4-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-5-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-2-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-0-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-9-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-8-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-7-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-6-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-11-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-12-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-10-0x00007FFA80370000-0x00007FFA80380000-memory.dmp

memory/4048-13-0x00007FFA80370000-0x00007FFA80380000-memory.dmp

memory/4048-15-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-17-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-19-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-20-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-18-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-16-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-14-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-21-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/4048-29-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp

memory/1584-41-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/1584-44-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/1584-43-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/1584-42-0x00007FFA828B0000-0x00007FFA828C0000-memory.dmp

memory/4048-45-0x00007FFAC2830000-0x00007FFAC2A25000-memory.dmp