Malware Analysis Report

2025-03-15 07:55

Sample ID 240804-12gfsasaqe
Target b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23
SHA256 b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23
Tags
discovery macro macro_on_action
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

b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23

Threat Level: Likely malicious

The file b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23 was found to be: Likely malicious.

Malicious Activity Summary

discovery macro macro_on_action

Office macro that triggers on suspicious action

Suspicious Office macro

Drops file in Drivers directory

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

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-04 22:08

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

2024-08-04 22:08

Reported

2024-08-04 22:09

Platform

win7-20240704-en

Max time kernel

22s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls

Signatures

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\system32\drivers\etc\hosts C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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

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\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls

Network

N/A

Files

memory/2672-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2672-1-0x00000000728BD000-0x00000000728C8000-memory.dmp

memory/2672-39-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/2672-40-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/2672-41-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/2672-49-0x0000000005FD0000-0x00000000060D0000-memory.dmp

memory/2672-50-0x00000000728BD000-0x00000000728C8000-memory.dmp

memory/2672-51-0x0000000005FD0000-0x00000000060D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-04 22:08

Reported

2024-08-04 22:09

Platform

win10v2004-20240802-en

Max time kernel

47s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls"

Signatures

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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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

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\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp

Files

memory/3908-0-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp

memory/3908-4-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp

memory/3908-2-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp

memory/3908-1-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp

memory/3908-5-0x00007FF8F7A4D000-0x00007FF8F7A4E000-memory.dmp

memory/3908-7-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-6-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-3-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp

memory/3908-8-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-10-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-11-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-12-0x00007FF8B5700000-0x00007FF8B5710000-memory.dmp

memory/3908-9-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-13-0x00007FF8B5700000-0x00007FF8B5710000-memory.dmp

memory/3908-15-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-14-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-19-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-18-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-17-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

memory/3908-16-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp

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

MD5 47a97765ebcd14b9a38d668770ff1767
SHA1 c3ed536b778bb721322bf13e8e4e51b457d48524
SHA256 1ef473422c8622105b1eea9c10d10017c49919e46f56393e05fc8e2b8ce1c4c5
SHA512 15ca197967be196e71046e2c9d457b00e9c11620cf3df3dffadd2ba5b2d95350b3dbea9df1799627ccbef5c94ed4f017bf96dd283a23ba30d370755dae4a7eae

memory/3908-31-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp