b9a566002b18a06ab10adf3e5494d9531153d94ab0ab2a573e7ac003c9dbbe74

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 17:04

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General

Target

ie/RichMediaViewV1release95.dll
Size

85KB
MD5

ebeec88ab9e1c315be6dfc3ce924b362
SHA1

a279a62d9146d576e7e82502874f6383135bb8b5
SHA256

e58f0d37f89322583cdea95a7ce9ab4c7386098c9d6edc48f976d107e01e4361
SHA512

23364ec961755e35c7126536ad7420962e53302925a15ad85ec00be6e6d74bfb62d4e13493c496d481e6cedf942074035034ddc0873db958d2dcb12f14978315
SSDEEP

1536:9c/9Cs8ekkcEDtqJ6Zk8DkPWNxnLlQNTb0pY:29eekkcEJqJ6ZPNxLaNTbH

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\{81f4a927-a43d-4f42-adf3-6b18c537b370}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{81f4a927-a43d-4f42-adf3-6b18c537b370}\ = "RichMediaViewV1release95"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{81f4a927-a43d-4f42-adf3-6b18c537b370}\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\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ = "IRichMediaViewV1release95BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib\ = "{67E772BE-B2F8-438F-952E-D910E60C11AB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib\ = "{67E772BE-B2F8-438F-952E-D910E60C11AB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ = "IRichMediaViewV1release95BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release95.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\ = "RichMediaViewV1release95Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\ = "RichMediaViewV1release95"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\TypeLib\ = "{67e772be-b2f8-438f-952e-d910e60c11ab}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release95.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81f4a927-a43d-4f42-adf3-6b18c537b370}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67E772BE-B2F8-438F-952E-D910E60C11AB}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0D080F7-C34C-4D94-A386-573AA582723B}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4724	1780	regsvr32.exe	83
PID 1780 wrote to memory of 4724	1780	regsvr32.exe	83
PID 1780 wrote to memory of 4724	1780	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release95.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release95.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4724

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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