Malware Analysis Report

2025-03-15 06:58

Sample ID 240108-zv5pcsbddn
Target 4c72ad845295416156d9033ccb3b2b69
SHA256 e6fda356348e9ff7a2c47e30fce3b554808c2e241f603ca4e4511382bc43d360
Tags
macro xlm
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

e6fda356348e9ff7a2c47e30fce3b554808c2e241f603ca4e4511382bc43d360

Threat Level: Known bad

The file 4c72ad845295416156d9033ccb3b2b69 was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-08 21:03

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 21:03

Reported

2024-01-08 21:07

Platform

win7-20231215-en

Max time kernel

0s

Max time network

118s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4c72ad845295416156d9033ccb3b2b69.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\rundll32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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\4c72ad845295416156d9033ccb3b2b69.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\EMf1.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 skill.fashion udp

Files

memory/1876-1-0x000000007227D000-0x0000000072288000-memory.dmp

memory/1876-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1876-2-0x000000007227D000-0x0000000072288000-memory.dmp

memory/1876-4-0x000000007227D000-0x0000000072288000-memory.dmp

memory/1876-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 21:03

Reported

2024-01-08 21:07

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

50s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4c72ad845295416156d9033ccb3b2b69.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

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\4c72ad845295416156d9033ccb3b2b69.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\b5Cf.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\b5Cf.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 skill.fashion udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 182.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 153.141.79.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 76.246.100.95.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 137.71.91.104.in-addr.arpa udp

Files

memory/2296-3-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp

memory/2296-2-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp

memory/2296-6-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-10-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-12-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-15-0x00007FF914360000-0x00007FF914370000-memory.dmp

memory/2296-16-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-17-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-18-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-21-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-22-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-20-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-19-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-14-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-13-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-11-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-9-0x00007FF914360000-0x00007FF914370000-memory.dmp

memory/2296-8-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-7-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-5-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp

memory/2296-4-0x00007FF956970000-0x00007FF956B65000-memory.dmp

memory/2296-1-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp

memory/2296-0-0x00007FF9169F0000-0x00007FF916A00000-memory.dmp

C:\Users\Public\Documents\b5Cf.vbs

MD5 3b7df8245d15e9c4110f82089ed93875
SHA1 a96ad9a7c17c24d968edf33e97fb21eee4bf29e4
SHA256 bfa18843e93970d57a63ffaef6bd731c258701e5a7f7add0c9834b394065f6c6
SHA512 a8a6a0c82fea00d396a80ae891cdf9c44eb3f29124ae4cf6e1c6fe4ee40e02ea6c3f52299ba1a0aaa2daa5350602e2afc2ba10841260fbe595678856f24a2ac5

memory/2296-34-0x00007FF956970000-0x00007FF956B65000-memory.dmp