Malware Analysis Report

2025-06-16 00:05

Sample ID 241113-j8glpa1pbk
Target da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
SHA256 24afa6498fd2205870491834ce41f9198c8999615fe53947a16a9a9b1fee358b
Tags
discovery persistence
score
7/10

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
7/10

SHA256

24afa6498fd2205870491834ce41f9198c8999615fe53947a16a9a9b1fee358b

Threat Level: Shows suspicious behavior

The file da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe 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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 08:20

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 08:20

Reported

2024-11-13 08:22

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe

"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4468-0-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 bed594b343adc9f9dbc6a823cf4f5f41
SHA1 991c90a05e800413c787e6048200dc9a6a5d29bf
SHA256 74d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c
SHA512 bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f

memory/4468-5-0x0000000000400000-0x000000000040F000-memory.dmp

memory/4644-6-0x0000000000400000-0x000000000040F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 08:20

Reported

2024-11-13 08:22

Platform

win7-20240708-en

Max time kernel

119s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe

"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/1728-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/1728-6-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 bed594b343adc9f9dbc6a823cf4f5f41
SHA1 991c90a05e800413c787e6048200dc9a6a5d29bf
SHA256 74d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c
SHA512 bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f

memory/1528-8-0x0000000000400000-0x000000000040F000-memory.dmp

memory/1528-10-0x0000000000400000-0x000000000040F000-memory.dmp