2adc90962162732b7827e54e065506325637f0d21694c3999082266638036dd8

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 21:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ie/RichMediaViewV1release1061.dll
Size

85KB
MD5

da3996add3fcb1302c977cdb671f9c49
SHA1

6f58b54a112b1b62338bf0fd3e2b8510b3d9f04b
SHA256

1b5743cd41fea2cd228b353cc0b7c2186583f5a7ef257cd7636f365e0540370b
SHA512

293727e96b8f1b2fd624b00eb3bb4de3b054d6f927e9e8ac6ce0afa5f835b1c0b43c3800e4ba93fba684c39743a5dd0789deeadcc3d9d6889df691509d8ad9f6
SSDEEP

1536:qhMWCsgyMIwP/t6hp1ZcTkrCIiCTfLlQY3PKS:nWKyMIwP16hp1nigaY3P3

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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{a1ab7c29-c539-400c-828a-dd03957b8d3a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\ = "RichMediaViewV1release1061"	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\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1061.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ = "IRichMediaViewV1release1061BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\ = "RichMediaViewV1release1061Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib\ = "{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ = "IRichMediaViewV1release1061BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\ = "RichMediaViewV1release1061"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release1061.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib\ = "{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AC7B293D-AB6E-42C5-AE9D-9EAA757CE106}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A1A5CBE2-9D48-4382-B047-8E379302826C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\TypeLib\ = "{ac7b293d-ab6e-42c5-ae9d-9eaa757ce106}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{a1ab7c29-c539-400c-828a-dd03957b8d3a}\Version	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2544	4000	regsvr32.exe	82
PID 4000 wrote to memory of 2544	4000	regsvr32.exe	82
PID 4000 wrote to memory of 2544	4000	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1061.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release1061.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2544

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

Windows 7 deprecation

Loading Replay Monitor...