a6a476967e7e02a0611a06f96f41be34761e69b28fe865bcd96cf5678ebb555a

Analysis

max time kernel
136s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2024 12:24

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General

Target

piview.dll
Size

304KB
MD5

4e47d1d28edd06317f7f831e2f8075f2
SHA1

831ac6c58973e0aa5db943194e89424603be0e78
SHA256

b1b03e634c085aab68e3f2c78fdcdcc745e8341c0dff6c494e88911b81a61dbc
SHA512

9baa53338e159ae1ada33b0cf2ad07e039a18604e957d022d66fa4b5bf192eb2b4be9dd0120f4a6edc012f211ff831cc2d59c2fb3a40c8580874ff6ce0c57e6a
SSDEEP

6144:5VhcVqFFpODc/Mwa1ynTNanTz+STVWmOnPo+eHr5:raVqFeDcEwiiTUHr5

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\ProgID\ = "PIView.PIThumbnailer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer.1\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\MiscStatus\1	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewerControl\CurVer\ = "PIView.PISimpleViewerControl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist.1\ = "PIPlaylist Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\piview.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer\CurVer\ = "PIView.PIViewer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24E8083A-CDD4-49b7-9E6D-CE56B117A55D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\TypeLib\Version = "9.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\TypeLib\ = "{9CCC0206-10E9-4DA7-8533-9DB7FA0369E6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist.1\CLSID\ = "{8F25C9CD-F862-4354-8650-5051209EB26F}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F25C9CD-F862-4354-8650-5051209EB26F}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\ = "PIThumbnailer Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer\ = "PIViewer Class"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewer\CurVer\ = "PIView.PISimpleViewer.1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24E8083A-CDD4-49b7-9E6D-CE56B117A55D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F25C9CD-F862-4354-8650-5051209EB26F}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIThumbnailer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewer	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F25C9CD-F862-4354-8650-5051209EB26F}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\TypeLib\ = "{9CCC0206-10E9-4DA7-8533-9DB7FA0369E6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F25C9CD-F862-4354-8650-5051209EB26F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\piview.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIViewer\CLSID\ = "{24E8083A-CDD4-49b7-9E6D-CE56B117A55D}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\ = "IPISimpleViewerControl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist\CLSID\ = "{8F25C9CD-F862-4354-8650-5051209EB26F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9CCC0206-10E9-4DA7-8533-9DB7FA0369E6}\9.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewerControl.1\ = "PISimpleViewerControl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7C08420-CCC6-4092-A75C-9E55D5176B26}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}\ = "PISimpleViewer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24E8083A-CDD4-49b7-9E6D-CE56B117A55D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewerControl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewerControl\CLSID\ = "{C7C08420-CCC6-4092-A75C-9E55D5176B26}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist\ = "PIPlaylist Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIThumbnailer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24E8083A-CDD4-49b7-9E6D-CE56B117A55D}\ = "PIViewer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIPlaylist	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CBCE923-870F-4f00-8097-4E61687B4469}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{779A8AE0-4741-4187-89A3-DB876F25B704}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PIThumbnailer.1\CLSID\ = "{36EAB66A-5E45-4f1c-AEFA-AF37F3FF298B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PIView.PISimpleViewer.1	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2644 wrote to memory of 4964	2644	regsvr32.exe	regsvr32.exe
PID 2644 wrote to memory of 4964	2644	regsvr32.exe	regsvr32.exe
PID 2644 wrote to memory of 4964	2644	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\piview.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\piview.dll
2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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