Malware Analysis Report

2025-08-10 22:22

Sample ID 240202-1y7hssbbcl
Target VirusShare-001276b49b0739578e6cc73f468d80ad
SHA256 4988a6a6477d916416988c65fd126f229ce8fbaaa771269dfdf5f53d0884b877
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

4988a6a6477d916416988c65fd126f229ce8fbaaa771269dfdf5f53d0884b877

Threat Level: Shows suspicious behavior

The file VirusShare-001276b49b0739578e6cc73f468d80ad 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

2024-02-02 22:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 22:04

Reported

2024-02-02 22:07

Platform

win7-20231215-en

Max time kernel

118s

Max time network

139s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-001276b49b0739578e6cc73f468d80ad.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-A5FB-BF23-8223-C45B2B8BC6A6} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-001276b49b0739578e6cc73f468d80ad.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ProgID\ = "VirusShare-001276b49b0739578e6cc73f468d80ad.iwc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ = "iwc" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\ = "iwc" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\Clsid\ = "{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6} C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1984 wrote to memory of 3064 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\VirusShare-001276b49b0739578e6cc73f468d80ad.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\VirusShare-001276b49b0739578e6cc73f468d80ad.dll

Network

N/A

Files

memory/3064-0-0x0000000000440000-0x00000000004DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-02 22:04

Reported

2024-02-02 22:07

Platform

win10v2004-20231215-en

Max time kernel

93s

Max time network

156s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-001276b49b0739578e6cc73f468d80ad.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-A5FB-BF23-8223-C45B2B8BC6A6} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ = "iwc" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\ = "iwc" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc\Clsid\ = "{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-001276b49b0739578e6cc73f468d80ad.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-001276b49b0739578e6cc73f468d80ad.iwc C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-A5FB-BF23-8223-C45B2B8BC6A6}\ProgID\ = "VirusShare-001276b49b0739578e6cc73f468d80ad.iwc" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3200 wrote to memory of 3224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3200 wrote to memory of 3224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3200 wrote to memory of 3224 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\VirusShare-001276b49b0739578e6cc73f468d80ad.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\VirusShare-001276b49b0739578e6cc73f468d80ad.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 203.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp

Files

memory/3224-0-0x0000000002160000-0x00000000021FD000-memory.dmp