Malware Analysis Report

2025-04-03 13:11

Sample ID 241109-1zwgxssmdz
Target 4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6
SHA256 4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6
Tags
discovery persistence
score
7/10

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
7/10

SHA256

4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6

Threat Level: Shows suspicious behavior

The file 4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Deletes itself

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 22:05

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 22:05

Reported

2024-11-09 22:08

Platform

win7-20241010-en

Max time kernel

149s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe"

Signatures

Deletes itself

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe

"C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2500-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/2500-6-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 2d9c211bb5f6f7de9f0757bccb1bdf22
SHA1 298585b8e4390d5fc028d08cbbf677fb70bd501c
SHA256 a40fb627745fd9e2d24ac2031c6193f8fccff3e3caa312bf3cd23bbd1c749077
SHA512 7f0fe109fbc2601aaea63dd71377171398987e2fba23e96aba4a5efef6b6cf26c516879d3ea5fb93e473082d13b71c3849ba18d601b08628ead5064ccc920471

memory/2444-9-0x0000000000400000-0x000000000040F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 22:05

Reported

2024-11-09 22:08

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe"

Signatures

Deletes itself

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\microsofthelp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe

"C:\Users\Admin\AppData\Local\Temp\4d6e4350d133fd476d38fb630008827ea91d1e9c5016435a2d306099ecc9bdc6.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 98.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2708-0-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 2d9c211bb5f6f7de9f0757bccb1bdf22
SHA1 298585b8e4390d5fc028d08cbbf677fb70bd501c
SHA256 a40fb627745fd9e2d24ac2031c6193f8fccff3e3caa312bf3cd23bbd1c749077
SHA512 7f0fe109fbc2601aaea63dd71377171398987e2fba23e96aba4a5efef6b6cf26c516879d3ea5fb93e473082d13b71c3849ba18d601b08628ead5064ccc920471

memory/2708-5-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4176-6-0x0000000000400000-0x000000000040F000-memory.dmp