a3a348797b08856296f9f96a9c9414b83bea3fa31680262fb979c9e64be6e6b9

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 08:33

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General

Target

ie/RichMediaViewV1release3199.dll
Size

85KB
MD5

53dfc23a0f8338954ffb7cf5961e5640
SHA1

b71462556e494d7e57467d5cae72cc56991d194d
SHA256

7efaec85c18226c0e12f4d458b9ec351e48b38600ace8a5fe41a9aec33496b4a
SHA512

f7e791a4933c84c9e17eb8c2ee4743223955346a8ae82bfd507c5bb341f9e2dad80870020826ae7854dfaa468c577bbec48e175ef549000b6bcb130d3537aca3
SSDEEP

1536:BhMWCsgyMIwPPt6hp1ZcTkrCrF1CTfLlQCb3aS:oWKyMIwPl6hp1q1gaCb3H

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\{bf50fa1a-2f16-47e8-8688-70897f2bb007}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\ = "RichMediaViewV1release3199"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\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\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release3199.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\TypeLib\ = "{4d62c5a0-6fbc-4858-be4a-b6863e151d83}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib\ = "{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ = "IRichMediaViewV1release3199BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ = "IRichMediaViewV1release3199BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\ = "RichMediaViewV1release3199"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\ = "RichMediaViewV1release3199Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib\ = "{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release3199.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{bf50fa1a-2f16-47e8-8688-70897f2bb007}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4D62C5A0-6FBC-4858-BE4A-B6863E151D83}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAB1B3BD-90F1-4D89-8E72-1125F0F2826A}\TypeLib\Version = "1.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30
PID 2400 wrote to memory of 2644	2400	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release3199.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release3199.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2644

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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