d236f3f7914e5ed1ec440c0e7be9e900ed6b43f736d5d6216cc750dcc7280233

Analysis

max time kernel
141s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 15:47

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General

Target
ie/RichMediaViewV1release162.dll
Size 85KB
Sample240204-s8bj4sdde7
SHA256 918ef2ef0d41ff7d75c8117b90ed408a8525f7df13e53a86cf43c8f2221d614b
MD5 cdbbf6a7dddbfe100195d8322fb10154
SHA1 4eeee1ded970242e41dd6fe7e3ad421bf42d22bf
SHA512 2ceb21179787d4339fff47fefda3806799c686ad6c14b224224d51db0d1b1b2450707a735ea1a542ff9f3f68c99a9dca08390b49364b0e8fd27960bd2b1f5f2a
SSDEEP 1536:Jkf9Csc+EE7Msd5N60GlVk8jkrwSRnqLhPLlQgliNBZ:a9++EEwsJ6FlVSRnmaglid
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\ = "RichMediaViewV1release162"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\ = "RichMediaViewV1release162Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\TypeLib\ = "{1961b22c-d2a9-48c8-8b88-79b6f1a0d65b}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ = "IRichMediaViewV1release162BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\ = "RichMediaViewV1release162"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release162.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release162.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ = "IRichMediaViewV1release162BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib\ = "{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib\ = "{1961B22C-D2A9-48C8-8B88-79B6F1A0D65B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2c0c67f8-98b8-4f7e-b7fa-613d68dddd26}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0D81ABB0-CE72-4BC2-BC11-9DD5802831D8}\TypeLib\Version = "1.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1112	3504	regsvr32.exe	84
PID 3504 wrote to memory of 1112	3504	regsvr32.exe	84
PID 3504 wrote to memory of 1112	3504	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release162.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release162.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1112

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

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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Downloads