33a63c3741249ceef766b5ecc24b38dcac5dddfb6f5c0bbb926ec17e4bf4b27d

General

Target

750a6097894901e8d029e3700696ffa8.dll
Size

346KB
MD5

750a6097894901e8d029e3700696ffa8
SHA1

62ef49e5d44b8fd1967c9bd08dcae810f3b5bec9
SHA256

33a63c3741249ceef766b5ecc24b38dcac5dddfb6f5c0bbb926ec17e4bf4b27d
SHA512

219fb5566f5efa6454428c6f1b2a5efb659ceac81eac5ee424085e8a3b1cccad5eb6ec3b810c1375786d123822e1af1a913d1b5beaf7ab7fc5dcb6a6b135af29
SSDEEP

6144:JtpRfJRna8RP4IwC1RAG/sFxEH8/yHlLd4pyBf5xY/KBTA/W:J7RfZRPlwCIGkFxwdxFBTA

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88A3E324-D97D-4658-94DC-B9D9211BA91A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\ = "ygzlibP"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\750a6097894901e8d029e3700696ffa8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\TypeLib\ = "{BFE193AE-9095-4E62-AF37-9009B0212B8A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{717B0238-692E-4F11-83B2-2D618E0293B2}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BFE193AE-9095-4E62-AF37-9009B0212B8A}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BFE193AE-9095-4E62-AF37-9009B0212B8A}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{717B0238-692E-4F11-83B2-2D618E0293B2}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\ProgID\ = "ygzlib.AClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\TypeLib\ = "{BFE193AE-9095-4E62-AF37-9009B0212B8A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\ = "IJetMimeFiltr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{717B0238-692E-4F11-83B2-2D618E0293B2}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\750a6097894901e8d029e3700696ffa8.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\TypeLib\ = "{BFE193AE-9095-4E62-AF37-9009B0212B8A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ygzlib.DLL\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\VersionIndependentProgID\ = "ygzlib.AClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\TypeLib\ = "{BFE193AE-9095-4E62-AF37-9009B0212B8A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\ = "ygzlibB Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\ = "ygzlibA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\750a6097894901e8d029e3700696ffa8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{E4BF93C1-D1E0-422E-82C1-8338FE72BA0B} = 7b00380038004100330045003300320034002d0044003900370044002d0034003600350038002d0039003400440043002d004200390044003900320031003100420041003900310041007d00	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\ProgID\ = "ygzlib.BClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BFE193AE-9095-4E62-AF37-9009B0212B8A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\ = "JetMimeFiltr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\TypeLib\ = "{BFE193AE-9095-4E62-AF37-9009B0212B8A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\ = "ygzlibA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\ = "IJetVideoPlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9329D771-D75A-4420-8C6D-8F93A1EF1F79}\VersionIndependentProgID\ = "ygzlib.BClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BFE193AE-9095-4E62-AF37-9009B0212B8A}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{717B0238-692E-4F11-83B2-2D618E0293B2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1BD913BF-3535-4235-8AF1-968DECF0EFCE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{88A3E324-D97D-4658-94DC-B9D9211BA91A}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe
PID 2180 wrote to memory of 1816	2180	regsvr32.exe	regsvr32.exe

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\750a6097894901e8d029e3700696ffa8.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1816

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\750a6097894901e8d029e3700696ffa8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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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