d6a0f2af240a019f47dca0b50428b38e30b7e0bc7583a051745c9215ec1e6b87

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 08:21

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General

Target

PCOptProCtxMenu.dll
Size

568KB
MD5

0775125f37a1e0892cb2cb3bfee4c42f
SHA1

93ae71882a3219fad3d289eec6b75f7757c92579
SHA256

d68e56372d74257f2738ecc171105fd55b1016ab1d0368ac3ea32784137c9d7a
SHA512

1da2fb185489a9e335ed17e488e1999521960d62fa9f2297f4fd15961af9a92296211c07ff46362271ae71e208a018f3deed7a3e28b2201d04f7caaa9fe3266d
SSDEEP

12288:m4IDeNZtX4dPM02ZYG3g3NnHj2Oq9ou3QTXGejj+:3tX4dPRG3g3JHj2b3RQ+

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

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

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\ = "PCOptProCtxMenu 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}\ = "PCProCtxMenu Class"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PCOptProCtxMenu.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\PCProCtxMenu\ = "{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ = "IPCProCtxMenu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib\ = "{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PCOptProCtxMenu.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib\ = "{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{12AB121E-44C6-488B-8773-B0AE25E662E1}\ = "IPCProCtxMenu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\PCProCtxMenu	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{203ABD21-41F1-4F1B-BAE3-D6A89A90D239}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\PCProCtxMenu	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 4060	2176	regsvr32.exe	84
PID 2176 wrote to memory of 4060	2176	regsvr32.exe	84
PID 2176 wrote to memory of 4060	2176	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\PCOptProCtxMenu.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\PCOptProCtxMenu.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4060

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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