624766bd549273311a6792c4e52cc528bc58769541a60079e5a8717376335b94

Analysis

max time kernel
149s
max time network
150s
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 23:28

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General

Target

ie/RichMediaViewV1release1335.dll
Size

85KB
MD5

085808c01ae02dd2bb21fe9cd10314d4
SHA1

c7bf5d0fa63c96b423c186b0802283eaa84ad358
SHA256

41f3a93293ca7a40249c25c8afc46b0d3e8c644d8bddfea9506f3d035cf6c9fe
SHA512

823506c32ed35df5a9d122f75f517c1e1e20f164a52a626602f885e857077dd27eb4baf1f91be7aca0faa4f4612d093a0a8c706756198943966d44dbadfec2dc
SSDEEP

1536:FhMWCsgyMIwP/t6hp1ZcTkrCZACTfLlQh36iaS:cWKyMIwP16hp1uAgah36iH

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\{bd412eaa-903b-41bb-8d89-8d0847638572}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{bd412eaa-903b-41bb-8d89-8d0847638572}\ = "RichMediaViewV1release1335"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{bd412eaa-903b-41bb-8d89-8d0847638572}\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\ = "RichMediaViewV1release1335Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1335.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ = "IRichMediaViewV1release1335BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ = "IRichMediaViewV1release1335BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\TypeLib\ = "{f6bb4c88-2719-4bae-a7c1-2a2a8f1b642f}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1335.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib\ = "{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\ = "RichMediaViewV1release1335"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib\ = "{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{bd412eaa-903b-41bb-8d89-8d0847638572}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39C1F08C-4331-4FCB-9A9D-A14048CC826B}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F6BB4C88-2719-4BAE-A7C1-2A2A8F1B642F}\1.1\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 1388	3888	regsvr32.exe	83
PID 3888 wrote to memory of 1388	3888	regsvr32.exe	83
PID 3888 wrote to memory of 1388	3888	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1335.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1335.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1388

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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