Malware Analysis Report

2025-08-10 22:50

Sample ID 240108-es8m1sahbp
Target 4a68d23367d8aaf9fe9217f7f9f98bf1
SHA256 ce7c7261c263db798375b793f7af834ed096a59d5069bad3e5cec3de388bc5ba
Tags
persistence
score
6/10

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
6/10

SHA256

ce7c7261c263db798375b793f7af834ed096a59d5069bad3e5cec3de388bc5ba

Threat Level: Shows suspicious behavior

The file 4a68d23367d8aaf9fe9217f7f9f98bf1 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-08 04:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 04:13

Reported

2024-01-08 04:15

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\auto__hloader__key = "C:\\Windows\\system32\\hloader_exe.exe" C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\auto__hloader__key = "C:\\Windows\\system32\\hloader_exe.exe" C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\hloader_exe.exe C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File opened for modification C:\Windows\SysWOW64\hloader_exe.exe C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File opened for modification C:\Windows\SysWOW64\hleader_dll.dll C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File created C:\Windows\SysWOW64\hleader_dll.dll C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 1188 N/A C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe

"C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe"

Network

N/A

Files

memory/2136-0-0x0000000000400000-0x00000000004093CB-memory.dmp

memory/1188-3-0x0000000002210000-0x0000000002211000-memory.dmp

memory/2136-4-0x0000000000400000-0x00000000004093CB-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 04:13

Reported

2024-01-08 04:16

Platform

win10v2004-20231215-en

Max time kernel

135s

Max time network

171s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\auto__hloader__key = "C:\\Windows\\system32\\hloader_exe.exe" C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\auto__hloader__key = "C:\\Windows\\system32\\hloader_exe.exe" C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\hloader_exe.exe C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File opened for modification C:\Windows\SysWOW64\hloader_exe.exe C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File opened for modification C:\Windows\SysWOW64\hleader_dll.dll C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
File created C:\Windows\SysWOW64\hleader_dll.dll C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1412 wrote to memory of 3512 N/A C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe

"C:\Users\Admin\AppData\Local\Temp\4a68d23367d8aaf9fe9217f7f9f98bf1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/1412-0-0x0000000000400000-0x00000000004093CB-memory.dmp

memory/1412-3-0x0000000000400000-0x00000000004093CB-memory.dmp