e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680

Analysis

max time kernel
32s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 22:54

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General

Target

e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
Size

689KB
MD5

4e8c12dd138ba44b76075a668578360d
SHA1

6e2cb4d2b422d6a70017b8e6f3f0c80b9844456b
SHA256

e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680
SHA512

caacb35890bce8d51e549b92c1c7268c413ae26d73d4d04c9031130ffcb3b8184e7f74d17bccfed4bb60255450edd395d60f4141bc2d0143f887855f20db7b81
SSDEEP

12288:p17DgB2IjHVG4G4Y7jeKuVnvon+N83LwwiAn6KkM33nxDbjeKuV4vPD+N82Lwwim:p1QoO1G4G37tUnvone83Z76bMHxPtU4u

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie\\TrustMediaViewerV1alpha5885x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Loads dropped DLL 5 IoCs

pid	Process
1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
2016	regsvr32.exe
1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
2000	regsvr32.exe
1760	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 6 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\ = "TrustMediaViewerV1alpha5885"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\ = "TrustMediaViewerV1alpha5885"	regsvr32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Windows\System32\GroupPolicy	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe

Drops file in Program Files directory 23 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885.dll	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons\default	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons\default\TrustMediaViewerV1alpha5885_32.png	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons\default\TrustMediaViewerV1alpha5885_32.png	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ch\TrustMediaViewerV1alpha5885.crx	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome.manifest	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\install.rdf	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\ffTrustMediaViewerV1alpha5885.js	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\ffTrustMediaViewerV1alpha5885ffaction.js	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons\Thumbs.db	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\uninstall.exe	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ch\TrustMediaViewerV1alpha5885.crx	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome.manifest	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\ffTrustMediaViewerV1alpha5885.js	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\ffTrustMediaViewerV1alpha5885ffaction.js	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\overlay.xul	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\overlay.xul	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content\icons\Thumbs.db	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File created	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\install.rdf	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
File opened for modification	C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ff\chrome\content	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Approved Extensions	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{9303365d-31fc-4ab9-a677-7bbc6c68e28c} = 51667a6c4c1d3b1b4d2b198ece66d105b87c39fc6f23a499	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe

Modifies registry class 56 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie\\TrustMediaViewerV1alpha5885.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ = "ITrustMediaViewerV1alpha5885BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\0\win64	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\ = "TrustMediaViewerV1alpha5885"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\0\win32\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie\\TrustMediaViewerV1alpha5885.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\0\win64\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie\\TrustMediaViewerV1alpha5885x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\TypeLib\ = "{71b78e4f-e9db-4475-ae1a-ec62432a0f06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Implemented Categories\{59fb2056-d625-48d0-a944-1a85b5ab2640}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib\ = "{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\TypeLib\ = "{71b78e4f-e9db-4475-ae1a-ec62432a0f06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\ = "TrustMediaViewerV1alpha5885"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}\1.1\ = "TrustMediaViewerV1alpha5885Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32\ = "C:\\Program Files (x86)\\TrustMediaViewerV1\\TrustMediaViewerV1alpha5885\\ie\\TrustMediaViewerV1alpha5885x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\ = "ITrustMediaViewerV1alpha5885BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}\TypeLib\ = "{71B78E4F-E9DB-4475-AE1A-EC62432A0F06}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{83A932AA-78BA-4A43-ABDC-0A08B81F8520}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\ = "Trust Media Viewer"	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9303365d-31fc-4ab9-a677-7bbc6c68e28c}\Version\ = "1.1"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2016	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	28
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 1168 wrote to memory of 2000	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	29
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 2000 wrote to memory of 1760	2000	regsvr32.exe	30
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31
PID 1168 wrote to memory of 1704	1168	e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe	31

C:\Users\Admin\AppData\Local\Temp\e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe
"C:\Users\Admin\AppData\Local\Temp\e70c1a53008357fab3e236ff47f570cda3ee289199a72b799ab1ad3cb1044680.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885.dll" /s
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2016
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\system32\regsvr32.exe
    /s "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll"
    3⤵
    - Registers COM server for autorun
    - Loads dropped DLL
    - Installs/modifies Browser Helper Object
    - Modifies registry class
    PID:1760
- C:\Windows\SysWOW64\gpupdate.exe
  "C:\Windows\System32\gpupdate.exe" /force
  2⤵
  PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885.dll

Filesize
85KB

MD5
4240ea02a10d0f19f3686279f9dd2d94

SHA1
f848db8db3c4b9a83a39d59f6d7c785c0586ecd3

SHA256
f7fd0d47777dfca9ec2071579a61bcb001c5cfd850405b06f133866cfd302581

SHA512
9b93ed81088e13d7c79e174d429c6270b6d51c96f69d13d3e851e091f9fa515632d9f16a52dc1c63bb51bd6f932527d60a659625670a3128d69974eb1bd4642a

Download Submit
C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll

Filesize
100KB

MD5
f04bea75fe81dff9f6d69703f4f9fa8f

SHA1
8c6a6b4f1446107582a03253a5106f6997d46ca0

SHA256
d32013e0cc17a144878a096b0e2d815d3c9d297015bd85fab40b68e2c8f68a01

SHA512
60e0df5031fed97326e1d1565f42c0d3a2ccfd419731385e539069c5cacf4ffad41d9f5c98b710e06cd0a165a0c7baf513ded7dba4a56de726b3a1a6957c5ee6

Download Submit
\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885.dll

Filesize
85KB

MD5
4240ea02a10d0f19f3686279f9dd2d94

SHA1
f848db8db3c4b9a83a39d59f6d7c785c0586ecd3

SHA256
f7fd0d47777dfca9ec2071579a61bcb001c5cfd850405b06f133866cfd302581

SHA512
9b93ed81088e13d7c79e174d429c6270b6d51c96f69d13d3e851e091f9fa515632d9f16a52dc1c63bb51bd6f932527d60a659625670a3128d69974eb1bd4642a

Download Submit
\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll

Filesize
100KB

MD5
f04bea75fe81dff9f6d69703f4f9fa8f

SHA1
8c6a6b4f1446107582a03253a5106f6997d46ca0

SHA256
d32013e0cc17a144878a096b0e2d815d3c9d297015bd85fab40b68e2c8f68a01

SHA512
60e0df5031fed97326e1d1565f42c0d3a2ccfd419731385e539069c5cacf4ffad41d9f5c98b710e06cd0a165a0c7baf513ded7dba4a56de726b3a1a6957c5ee6

Download Submit
\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha5885\ie\TrustMediaViewerV1alpha5885x64.dll

Filesize
100KB

MD5
f04bea75fe81dff9f6d69703f4f9fa8f

SHA1
8c6a6b4f1446107582a03253a5106f6997d46ca0

SHA256
d32013e0cc17a144878a096b0e2d815d3c9d297015bd85fab40b68e2c8f68a01

SHA512
60e0df5031fed97326e1d1565f42c0d3a2ccfd419731385e539069c5cacf4ffad41d9f5c98b710e06cd0a165a0c7baf513ded7dba4a56de726b3a1a6957c5ee6

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3D7F.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3D7F.tmp\aminsis.dll

Filesize
567KB

MD5
f346047b13f37f79c462e59a6319faa1

SHA1
ce9e7cb9719000a69b463fe024c81229e322279f

SHA256
e78e0e61707cabec8383f1e74da9db8e0fa123a3a7b36f0080d70fbaed6f7453

SHA512
429209cc489ba9ac2d62055b128efb3cded3e31f966c7cdb1aee592ec7a54ab090526705fa2519498d92eb4bc2efa141cd83adc6c251b793388ad1208b172167

Download Submit
memory/1168-54-0x0000000076401000-0x0000000076403000-memory.dmp

Filesize
8KB

Download
memory/1760-66-0x000007FEFC341000-0x000007FEFC343000-memory.dmp

Filesize
8KB

Download