Malware Analysis Report

2025-08-05 11:27

Sample ID 241112-rgqpaathrq
Target ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
SHA256 ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb
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

ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb

Threat Level: Shows suspicious behavior

The file ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 14:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 14:10

Reported

2024-11-12 14:12

Platform

win7-20240903-en

Max time kernel

119s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\HidePlugin.dll C:\Windows\microsofthelp.exe N/A
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe

"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2696-0-0x0000000000400000-0x000000000040F000-memory.dmp

memory/2696-3-0x00000000002A0000-0x00000000002AF000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 ebd7e248522026a7cef46c808fd8f106
SHA1 9361dad3b4398a1eba142c22d1b329d3fb2de8a8
SHA256 66220d9ddbc3ec562f35039b0fba65393fbfb42e2a7c6eff0a10a3c38d7244ef
SHA512 43e5a7401fa6bf07015a220044a2dd5920618d707401c18e41c145a5a290f675c5d0d882a8fb90507ea45a2e4132eff2390cf8102e580bddc67347c28f369cf4

memory/2916-8-0x0000000000400000-0x000000000040F000-memory.dmp

memory/2916-10-0x0000000000400000-0x000000000040F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 14:10

Reported

2024-11-12 14:12

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe

"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3272-0-0x0000000000400000-0x000000000040F000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 ebd7e248522026a7cef46c808fd8f106
SHA1 9361dad3b4398a1eba142c22d1b329d3fb2de8a8
SHA256 66220d9ddbc3ec562f35039b0fba65393fbfb42e2a7c6eff0a10a3c38d7244ef
SHA512 43e5a7401fa6bf07015a220044a2dd5920618d707401c18e41c145a5a290f675c5d0d882a8fb90507ea45a2e4132eff2390cf8102e580bddc67347c28f369cf4

memory/3272-4-0x0000000000400000-0x000000000040F000-memory.dmp

memory/2148-6-0x0000000000400000-0x000000000040F000-memory.dmp