Malware Analysis Report

2025-05-06 04:17

Sample ID 241110-kp8rhatekf
Target 176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N
SHA256 176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366
Tags
upx discovery
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

176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366

Threat Level: Shows suspicious behavior

The file 176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

ACProtect 1.3x - 1.4x DLL software

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 08:47

Signatures

ACProtect 1.3x - 1.4x DLL software

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 08:47

Reported

2024-11-10 08:49

Platform

win7-20240903-en

Max time kernel

16s

Max time network

17s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ = "Webhook1001PV" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\ = "Webhook1001PV" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\Clsid\ = "{A717F661-41D3-11D8-9BD7-962A4BD65539}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ProgID\ = "176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1812 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

Network

N/A

Files

memory/1720-0-0x00000000002F0000-0x0000000000310000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 08:47

Reported

2024-11-10 08:49

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

Signatures

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\ = "Webhook1001PV" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ = "Webhook1001PV" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV\Clsid\ = "{A717F661-41D3-11D8-9BD7-962A4BD65539}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\ProgID\ = "176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.ExecuteHookWebPV" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A717F661-41D3-11D8-9BD7-962A4BD65539}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 4148 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2292 wrote to memory of 4148 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2292 wrote to memory of 4148 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\176d61befdfb704573e912e0b8ec4af00a6255ebfdaf71126f58f2c7a187e366N.dll

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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4148-0-0x0000000000400000-0x0000000000420000-memory.dmp