Malware Analysis Report

2025-08-06 02:35

Sample ID 241111-pp6dlaspbk
Target dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe
SHA256 dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2
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

dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2

Threat Level: Shows suspicious behavior

The file dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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

2024-11-11 12:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 12:31

Reported

2024-11-11 12:33

Platform

win7-20240729-en

Max time kernel

119s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe

"C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/1792-0-0x0000000000400000-0x000000000040D000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 3d2b5d025a986136f64d715fde7829f7
SHA1 26d7e1da1af92793e088cf0ccad672243357b7ab
SHA256 5ff7e1eadb6c4d6ba9a1e17b8599b51662d60eba2ef5a20a15acbc47babe2798
SHA512 e80e332913d9fbaacb6468217e3544fa5e59960bcd07f5ea30a5e34de02bb156d29a66946b1b0c9e75ff7f3c54b4fd7daf7764bf8002d3b85db9982e542b4886

memory/1792-6-0x0000000000400000-0x000000000040D000-memory.dmp

memory/1948-9-0x0000000000400000-0x000000000040D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 12:31

Reported

2024-11-11 12:33

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.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\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe

"C:\Users\Admin\AppData\Local\Temp\dd5fbb4a51e65cdf775fbc53532c8c73410e0e25fee97d3dd1af92bfcda092e2.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.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 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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp

Files

memory/2764-0-0x0000000000400000-0x000000000040D000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 3d2b5d025a986136f64d715fde7829f7
SHA1 26d7e1da1af92793e088cf0ccad672243357b7ab
SHA256 5ff7e1eadb6c4d6ba9a1e17b8599b51662d60eba2ef5a20a15acbc47babe2798
SHA512 e80e332913d9fbaacb6468217e3544fa5e59960bcd07f5ea30a5e34de02bb156d29a66946b1b0c9e75ff7f3c54b4fd7daf7764bf8002d3b85db9982e542b4886

memory/2764-4-0x0000000000400000-0x000000000040D000-memory.dmp

memory/3820-6-0x0000000000400000-0x000000000040D000-memory.dmp