Malware Analysis Report

2025-01-18 21:11

Sample ID 240325-abjv4sad65
Target d8722caacb60c2c3405320541dcd9242
SHA256 9bb01dcf2caea54ed2506d90b44dbafb75d436c5e1ec10540d60abace87601bf
Tags
adware stealer upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

9bb01dcf2caea54ed2506d90b44dbafb75d436c5e1ec10540d60abace87601bf

Threat Level: Shows suspicious behavior

The file d8722caacb60c2c3405320541dcd9242 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer upx

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 00:02

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 00:02

Reported

2024-03-25 00:04

Platform

win10v2004-20240226-en

Max time kernel

137s

Max time network

139s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d8722caacb60c2c3405320541dcd9242.dll

Signatures

UPX packed file

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

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6860A44B-5D3E-433D-A7B5-D517F810D0E7} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\ C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\xxx = "xxx" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d8722caacb60c2c3405320541dcd9242.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 756 wrote to memory of 4552 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 756 wrote to memory of 4552 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 756 wrote to memory of 4552 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\d8722caacb60c2c3405320541dcd9242.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d8722caacb60c2c3405320541dcd9242.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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

Files

memory/4552-0-0x0000000010000000-0x000000001000A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 00:02

Reported

2024-03-25 00:04

Platform

win7-20240220-en

Max time kernel

120s

Max time network

121s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d8722caacb60c2c3405320541dcd9242.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6860A44B-5D3E-433D-A7B5-D517F810D0E7} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\ C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\xxx = "xxx" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d8722caacb60c2c3405320541dcd9242.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6860A44B-5D3E-433D-A7B5-D517F810D0E7}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1740 wrote to memory of 2856 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\d8722caacb60c2c3405320541dcd9242.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d8722caacb60c2c3405320541dcd9242.dll

Network

N/A

Files

N/A