Malware Analysis Report

2025-03-15 07:55

Sample ID 240804-z2sclswelq
Target 82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23
SHA256 82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23
Tags
metasploit backdoor discovery trojan 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23

Threat Level: Known bad

The file 82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor discovery trojan macro macro_on_action

MetaSploit

Suspicious Office macro

Office macro that triggers on suspicious action

Process spawned suspicious child process

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-04 21:13

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 21:13

Reported

2024-08-04 21:14

Platform

win7-20240704-en

Max time kernel

26s

Max time network

30s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23.doc"

Signatures

MetaSploit

trojan backdoor metasploit

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.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\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
US 185.208.158.203:4444 tcp
US 185.208.158.203:4444 tcp

Files

memory/2552-0-0x000000002F3E1000-0x000000002F3E2000-memory.dmp

memory/2552-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2552-2-0x00000000714BD000-0x00000000714C8000-memory.dmp

memory/2552-9-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-8-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-23-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-24-0x0000000006260000-0x0000000006261000-memory.dmp

memory/2552-22-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-19-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-18-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-17-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-15-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-14-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-13-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-12-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-11-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-10-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-7-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-6-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-5-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-4-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-29-0x00000000714BD000-0x00000000714C8000-memory.dmp

memory/2552-30-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/2552-33-0x00000000008C0000-0x00000000009C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-04 21:13

Reported

2024-08-04 21:14

Platform

win10v2004-20240802-en

Max time kernel

36s

Max time network

39s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23.doc" /o ""

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\system32\dwwin.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\82dd899c594287a1bd55e11192e05341a3c37dd079cb68a96bf0e1511a0e6f23.doc" /o ""

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 4352

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4352

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 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp

Files

memory/8-0-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-2-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-3-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-1-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-4-0x00007FFE4030D000-0x00007FFE4030E000-memory.dmp

memory/8-5-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-10-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-11-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-9-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-8-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-13-0x00007FFDFDDA0000-0x00007FFDFDDB0000-memory.dmp

memory/8-12-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-7-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-14-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-16-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-18-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-19-0x00007FFDFDDA0000-0x00007FFDFDDB0000-memory.dmp

memory/8-17-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-15-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-6-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-38-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/8-41-0x00007FFE40270000-0x00007FFE40465000-memory.dmp

memory/2288-61-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/2288-62-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/2288-60-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/2288-59-0x00007FFE002F0000-0x00007FFE00300000-memory.dmp

memory/8-63-0x00007FFE40270000-0x00007FFE40465000-memory.dmp