d1d626b7690fef2026c44746436638bbb92286dc44d9e567d4856e39f98ec199

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 14:23

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General

Target

ie/RichMediaViewV1release568.dll
Size

85KB
MD5

45bc4ca8f88b3c91acf8c12707dacb32
SHA1

fba5b5ec72b7f1036422a13029c09b6c418d1bbe
SHA256

12314622959a2fe63e6134d725de85c4b38673157960e564f6146459af6e6da9
SHA512

42a4723882c348642ea427614891de7d49f729ff464248d8973cd05712d5d11f604bc7dd08e9d08a1c77aedb74fc2a4603de993497c60424528eb874e51e720d
SSDEEP

1536:akf9Csc+EE7MsV5N60GlVk8jkrwZWnqLhPLlQE9zdBZ:N9++EEwsR6FlVZWnmaE9zt

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\{6027afb8-dbdc-49f8-a82a-5207729d9217}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6027afb8-dbdc-49f8-a82a-5207729d9217}\ = "RichMediaViewV1release568"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6027afb8-dbdc-49f8-a82a-5207729d9217}\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\{6027afb8-dbdc-49f8-a82a-5207729d9217}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\ = "RichMediaViewV1release568Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib\ = "{8633652B-EFA8-4B51-B7C4-A97076EA474B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\ = "RichMediaViewV1release568"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ = "IRichMediaViewV1release568BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release568.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib\ = "{8633652B-EFA8-4B51-B7C4-A97076EA474B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\TypeLib\ = "{8633652b-efa8-4b51-b7c4-a97076ea474b}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6027afb8-dbdc-49f8-a82a-5207729d9217}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8633652B-EFA8-4B51-B7C4-A97076EA474B}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release568.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B926E83E-3D3A-4770-8775-CEBC85680447}\ = "IRichMediaViewV1release568BHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30
PID 2332 wrote to memory of 1912	2332	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release568.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release568.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1912

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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