Malware Analysis Report

2025-08-05 16:42

Sample ID 240204-x1ghlsahgq
Target 8ff1e2214f8d63c8e672b3741545613b
SHA256 d0e18a3407daca6bd69d9657b59855a8423ac7f2a019cdbd8f4018de2aa12230
Tags
adware stealer
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

d0e18a3407daca6bd69d9657b59855a8423ac7f2a019cdbd8f4018de2aa12230

Threat Level: Shows suspicious behavior

The file 8ff1e2214f8d63c8e672b3741545613b was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 19:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 19:19

Reported

2024-02-04 19:21

Platform

win7-20231215-en

Max time kernel

119s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8ff1e2214f8d63c8e672b3741545613b.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\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\ = "sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\Clsid\ = "{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8ff1e2214f8d63c8e672b3741545613b.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ProgID\ = "8ff1e2214f8d63c8e672b3741545613b.sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ = "sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2996 wrote to memory of 3040 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\8ff1e2214f8d63c8e672b3741545613b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8ff1e2214f8d63c8e672b3741545613b.dll

Network

N/A

Files

memory/3040-0-0x0000000000370000-0x0000000000402000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-04 19:19

Reported

2024-02-04 19:21

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8ff1e2214f8d63c8e672b3741545613b.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\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ProgID\ = "8ff1e2214f8d63c8e672b3741545613b.sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8ff1e2214f8d63c8e672b3741545613b.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\ = "sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh\Clsid\ = "{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\ = "sh" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-EB6C-EC8D-1179-CD96C94E21A2}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8ff1e2214f8d63c8e672b3741545613b.sh C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3352 wrote to memory of 4008 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3352 wrote to memory of 4008 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3352 wrote to memory of 4008 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\8ff1e2214f8d63c8e672b3741545613b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8ff1e2214f8d63c8e672b3741545613b.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A