Malware Analysis Report

2025-01-22 19:14

Sample ID 240719-wgcjwasfrm
Target Drill_2024.doc
SHA256 226ad9680e604d4d538fb5e48948f2a72084da86407a93bf7d4f2c9efbb2742c
Tags
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

226ad9680e604d4d538fb5e48948f2a72084da86407a93bf7d4f2c9efbb2742c

Threat Level: Known bad

The file Drill_2024.doc was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action

Process spawned unexpected child process

Office macro that triggers on suspicious action

Suspicious Office macro

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Runs ping.exe

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Enumerates system info in registry

Opens file in notepad (likely ransom note)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 17:53

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

2024-07-19 17:53

Reported

2024-07-19 17:56

Platform

win7-20240708-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Drill_2024.doc"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\ping.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

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

Office loads VBA resources, possible macro or embedded object present

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ping.exe N/A

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 FindShellTrayWindow

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\Drill_2024.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\SysWOW64\ping.exe

ping -n 1 149.28.22.48

Network

N/A

Files

memory/2756-0-0x000000002FFA1000-0x000000002FFA2000-memory.dmp

memory/2756-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2756-2-0x000000007131D000-0x0000000071328000-memory.dmp

memory/2756-5-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/2756-4-0x00000000006A0000-0x00000000007A0000-memory.dmp

memory/2756-7-0x00000000006A0000-0x00000000007A0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

MD5 faa56a2a2c110e1d7fde22c80d4f4137
SHA1 6d51d19bdb76073544c43c8246873354b039a27f
SHA256 7d1ea29879e2355204776363ab4e4a00d62de1bb6b6a0aaa819270d83ae2de79
SHA512 e53c6fece98d73f6f94eb51bfed81b40827cc48515809f9daf21b48fc420e693b766e75191d233560fb20dac8301de1ce12a8707f5b3132b1e893e4942d13e35

memory/2756-23-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2756-24-0x000000007131D000-0x0000000071328000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 17:53

Reported

2024-07-19 17:56

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

104s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Drill_2024.doc" /o ""

Signatures

Process spawned unexpected 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:\Windows\SYSTEM32\ping.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:\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 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

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\ping.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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4008 wrote to memory of 3656 N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE C:\Windows\SYSTEM32\ping.exe
PID 4008 wrote to memory of 3656 N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE C:\Windows\SYSTEM32\ping.exe

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\Drill_2024.doc" /o ""

C:\Windows\SYSTEM32\ping.exe

ping -n 1 149.28.22.48

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WriteConvertTo.txt

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 19.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/4008-0-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-2-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-1-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-3-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-4-0x00007FFAEA60D000-0x00007FFAEA60E000-memory.dmp

memory/4008-5-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-7-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-6-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-8-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-9-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-11-0x00007FFAA8360000-0x00007FFAA8370000-memory.dmp

memory/4008-10-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-12-0x00007FFAA8360000-0x00007FFAA8370000-memory.dmp

memory/4008-21-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-22-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-31-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp

memory/4008-50-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-53-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-52-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-51-0x00007FFAAA5F0000-0x00007FFAAA600000-memory.dmp

memory/4008-54-0x00007FFAEA570000-0x00007FFAEA765000-memory.dmp