793cb7063c59c9224b893bf4a946544513fa69c803862e6d103067b0cfedf514

Analysis

max time kernel
96s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 23:01

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General

Target

ie/RichMediaViewV1release1045.dll
Size

85KB
MD5

7d46947a2bcccca4a1b4a87c3a614e4c
SHA1

eabb2821e8d8251a9458a3747e60bb0cb46d0355
SHA256

f1083c90394168cb26c2b8066fca3387d97b125e21465df46864465b54c5042d
SHA512

e2a70c91f46abf613850959f9f973a1b3a4884111c33a3de23c2756ff082a5b2895454cbeb952e2b9ed7a964733bfec6540582c3f26aa1bb999a4620ffe43cdf
SSDEEP

1536:/hMWCsgyMIwP/t6hp1ZcTkrC7PCTfLlQmn4KS:WWKyMIwP16hp10Pgamn43

Score

6^/10

adware discovery 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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\ = "RichMediaViewV1release1045"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\NoExplorer = "1"	regsvr32.exe

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1045.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1045.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\ = "RichMediaViewV1release1045"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ = "IRichMediaViewV1release1045BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\ = "RichMediaViewV1release1045Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ = "IRichMediaViewV1release1045BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib\ = "{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\TypeLib\ = "{1eef89e9-d41e-4e94-a59e-6cb1ff0d31cb}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d77c9ea0-bb42-4dc6-81ae-616798ad3063}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib\ = "{1EEF89E9-D41E-4E94-A59E-6CB1FF0D31CB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8A9F7FA5-046B-4A24-A036-923DE6553529}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 876	3776	regsvr32.exe	85
PID 3776 wrote to memory of 876	3776	regsvr32.exe	85
PID 3776 wrote to memory of 876	3776	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1045.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1045.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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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