Malware Analysis Report

2025-04-03 12:18

Sample ID 241109-272jksvakh
Target 6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a
SHA256 6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a
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

6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a

Threat Level: Shows suspicious behavior

The file 6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Executes dropped EXE

Deletes itself

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 23:14

Reported

2024-11-09 23:16

Platform

win7-20240729-en

Max time kernel

149s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe

"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2380-0-0x0000000000400000-0x000000000040D000-memory.dmp

memory/2380-6-0x0000000000400000-0x000000000040D000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 b62869470ed03d976cf0c336d9bb1921
SHA1 c88a983d8363bf7457ec0ebe0b2783f0462e3571
SHA256 87a4f5459599b8d87ac348e1e6c9be2b6053be5e5872a82c19bf8453ca0df845
SHA512 8ea1c12b3818985bb85460161e569c8861dcd4b69124214a3ff69f59ee52ade768505119fd30f71235fa5bb1c5d8b925c14636c0a7cf00178dac0c5e07fdbafa

memory/2612-8-0x0000000000400000-0x000000000040D000-memory.dmp

memory/2612-10-0x0000000000400000-0x000000000040D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 23:14

Reported

2024-11-09 23:16

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.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\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe

"C:\Users\Admin\AppData\Local\Temp\6f342178a7c3ea36660c688ee3803139481f8d9c703850e373c029eed4b6ee4a.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3472-0-0x0000000000400000-0x000000000040D000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 b62869470ed03d976cf0c336d9bb1921
SHA1 c88a983d8363bf7457ec0ebe0b2783f0462e3571
SHA256 87a4f5459599b8d87ac348e1e6c9be2b6053be5e5872a82c19bf8453ca0df845
SHA512 8ea1c12b3818985bb85460161e569c8861dcd4b69124214a3ff69f59ee52ade768505119fd30f71235fa5bb1c5d8b925c14636c0a7cf00178dac0c5e07fdbafa

memory/3472-4-0x0000000000400000-0x000000000040D000-memory.dmp

memory/2364-6-0x0000000000400000-0x000000000040D000-memory.dmp