d7e640e5e8e27f65fadcbc4058034fce05fed339e924d447686920cfc32c92a7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 00:25

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General

Target

ie/RichMediaViewV1release3307.dll
Size

85KB
MD5

6bd591266618019cc108739ec08805a1
SHA1

969d0546c80596a280fd46ad696d7881dac544aa
SHA256

4b7242ebbe68c02194fd83e99d8b24b93f7509419d8da9be28d0ba123a43a7f3
SHA512

afc17d3dc1d0a567a99c29a979a892cd53e105306574de128a77803090082e477029995a3dfd95a3eef02642cac635bc1bece069190a41a1df357471a41a221d
SSDEEP

1536:ihMWCsgyMIwP/t6hp1ZcTkrC1cCTfLlQ2JR9KS:vWKyMIwP16hp1Scga2JL3

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\{16ac158c-0751-49a7-ae77-9086183fbf79}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{16ac158c-0751-49a7-ae77-9086183fbf79}\ = "RichMediaViewV1release3307"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{16ac158c-0751-49a7-ae77-9086183fbf79}\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\{16ac158c-0751-49a7-ae77-9086183fbf79}\TypeLib\ = "{355c9462-1f47-4108-9030-b8bed2b44c84}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release3307.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\ = "RichMediaViewV1release3307Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib\ = "{355C9462-1F47-4108-9030-B8BED2B44C84}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ = "IRichMediaViewV1release3307BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355C9462-1F47-4108-9030-B8BED2B44C84}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib\ = "{355C9462-1F47-4108-9030-B8BED2B44C84}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release3307.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ = "IRichMediaViewV1release3307BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F68ECB2E-2723-4AEA-87A3-9E74A3591FFF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16ac158c-0751-49a7-ae77-9086183fbf79}\ = "RichMediaViewV1release3307"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30
PID 1300 wrote to memory of 2104	1300	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release3307.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release3307.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2104

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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