Malware Analysis Report

2025-03-15 06:59

Sample ID 231231-k1n68shbf5
Target 301b9883345c994969132ebe5d2fa83c
SHA256 d6bc99eb4519d4ebef8093a3c9079edea9cdf88862fd0ececb165e006dbb7d4f
Tags
macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d6bc99eb4519d4ebef8093a3c9079edea9cdf88862fd0ececb165e006dbb7d4f

Threat Level: Known bad

The file 301b9883345c994969132ebe5d2fa83c was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Enumerates system info in registry

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 09:04

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 09:04

Reported

2024-01-10 03:20

Platform

win10v2004-20231215-en

Max time kernel

163s

Max time network

170s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\301b9883345c994969132ebe5d2fa83c.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\explorer.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:\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 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

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings C:\Windows\explorer.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1432 wrote to memory of 456 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 1432 wrote to memory of 456 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4700 wrote to memory of 1360 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 4700 wrote to memory of 1360 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe

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\301b9883345c994969132ebe5d2fa83c.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\g2t.vbs

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\g2t.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 skill.fashion udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 185.13.222.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/1432-1-0x00007FFDE5CB0000-0x00007FFDE5CC0000-memory.dmp

memory/1432-2-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-3-0x00007FFDE5CB0000-0x00007FFDE5CC0000-memory.dmp

memory/1432-4-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-6-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-8-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-7-0x00007FFDE5CB0000-0x00007FFDE5CC0000-memory.dmp

memory/1432-9-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-5-0x00007FFDE5CB0000-0x00007FFDE5CC0000-memory.dmp

memory/1432-0-0x00007FFDE5CB0000-0x00007FFDE5CC0000-memory.dmp

memory/1432-11-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-13-0x00007FFDE3BA0000-0x00007FFDE3BB0000-memory.dmp

memory/1432-14-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-16-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-18-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-19-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-20-0x00007FFDE3BA0000-0x00007FFDE3BB0000-memory.dmp

memory/1432-21-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-17-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-23-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-22-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-15-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-12-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-10-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

C:\Users\Public\Documents\g2t.vbs

MD5 483e048f37fc214ff2d66b72267c6603
SHA1 48ae1a16f934e16cf2dff1c18e35156dfd4753f3
SHA256 cf5083ead3303b7001ede9b6b9bbd543962188e17707e2832f5b2aa188e92644
SHA512 05efbbee0e98e960cf842df7cd5e57ebf5eeea3ba532680582c395581f72ce1b3b2af934c4865dcae0a18939415aa25fcfc460f4b621acbd1f6f36c0cd685de4

memory/1432-35-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-36-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

memory/1432-37-0x00007FFE25C30000-0x00007FFE25E25000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 09:04

Reported

2024-01-10 03:20

Platform

win7-20231215-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A