88de9f0225e7d296dca4fa7dbe24b35ec9146ca5008eb02086f6277b94f9ea54

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 00:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ie/RichMediaViewV1release744.dll
Size

85KB
MD5

36a02c7841f472f0f1e937e117f707ee
SHA1

f3a8e2c7ab1076069b610767cdb80d3b7db9ff04
SHA256

372721de013be14d96b9f51f60452495f18094cea2bca981eab2735f58ea4552
SHA512

9513c984b98eed4e420fa5b125399d67b6d4cafaaca92ca59d6db72465839f0eb81dd6d92630822492231483dad7259f42e4d818176d562a7ac48490edb88508
SSDEEP

1536:tkf9Csc+EE7Msd5N60GlVk8jkrwJUnqLhPLlQ9RFtBZ:e9++EEwsJ6FlVJUnma9RF9

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{71a8e523-e04a-46b0-a134-36a35b692fea}\ = "RichMediaViewV1release744"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{71a8e523-e04a-46b0-a134-36a35b692fea}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{71a8e523-e04a-46b0-a134-36a35b692fea}	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\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ = "IRichMediaViewV1release744BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ = "IRichMediaViewV1release744BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\ = "RichMediaViewV1release744"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release744.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib\ = "{1B48E560-6099-4563-A96D-39948DDA81D1}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\TypeLib\ = "{1b48e560-6099-4563-a96d-39948dda81d1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3ABC8F8F-C300-4A58-B889-32C05290F018}\TypeLib\ = "{1B48E560-6099-4563-A96D-39948DDA81D1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71a8e523-e04a-46b0-a134-36a35b692fea}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\ = "RichMediaViewV1release744Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1B48E560-6099-4563-A96D-39948DDA81D1}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release744.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 4536	4328	regsvr32.exe	82
PID 4328 wrote to memory of 4536	4328	regsvr32.exe	82
PID 4328 wrote to memory of 4536	4328	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release744.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release744.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4536

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

Replay Monitor

Loading Replay Monitor...

Downloads