Malware Analysis Report

2025-04-03 12:01

Sample ID 241109-2n6zyssrb1
Target 5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1
SHA256 5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1
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

5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1

Threat Level: Shows suspicious behavior

The file 5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1 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

2024-11-09 22:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 22:44

Reported

2024-11-09 22:47

Platform

win7-20240729-en

Max time kernel

149s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe

"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/2916-0-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 bfb7d7bb5703108adde3d5fbcccd997f
SHA1 e04bdc10978b2742ea628da67e99cc3c434f9641
SHA256 2f5d01d2a07127c0e552e438675392785484c6da82b287f735a9febf1590afaf
SHA512 5396591f9176ef907340e6c672a2923cf7e994e55ad1e909c917679a5efc82a8b438bc7a3fb1013ade08bd4fc2583ac4327ba712ee92ef76b87c8be8e0fa482c

memory/2916-7-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2528-9-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2528-11-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 22:44

Reported

2024-11-09 22:47

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.exe

"C:\Users\Admin\AppData\Local\Temp\5ecea845563fcc83f6de359a5944f4ca533ee04b918814232e6623ef864a6ee1.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 49.192.11.51.in-addr.arpa udp

Files

memory/4020-0-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 bfb7d7bb5703108adde3d5fbcccd997f
SHA1 e04bdc10978b2742ea628da67e99cc3c434f9641
SHA256 2f5d01d2a07127c0e552e438675392785484c6da82b287f735a9febf1590afaf
SHA512 5396591f9176ef907340e6c672a2923cf7e994e55ad1e909c917679a5efc82a8b438bc7a3fb1013ade08bd4fc2583ac4327ba712ee92ef76b87c8be8e0fa482c

memory/4020-5-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2328-7-0x0000000000400000-0x000000000040E000-memory.dmp