591a37517539a001143870761f3da71087556c5f3450bf929c26ac12ea7427f6

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 07:57

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General

Target

ie/MediaWatchV1home1104.dll
Size

85KB
MD5

b98d49f9d9ab1df0a82297113c63ee51
SHA1

42f039721a0a17267615bfde7f9e8e2af4a90122
SHA256

a08711f19e55112675c7f2cd63c934c828330d8b74e70a1d478d21140bce6015
SHA512

6f0782a64a47163f23cbce0b9ee014369a8d58c211d854abdd8f05240615b7dd4704e68cfefec0fa2c7744cfc69193379c7ad18280c467b8ea0cc03323b57ce7
SSDEEP

1536:rMflScQkG04RvxtakrOb8DkxRQHgNglQO+y:0likG0EbakrOhQA+aO+y

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\{17f96c62-69df-4e98-a0ac-e3736a174f99}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{17f96c62-69df-4e98-a0ac-e3736a174f99}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{17f96c62-69df-4e98-a0ac-e3736a174f99}\ = "MediaWatchV1home1104"	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\{07FCDC65-E243-4E11-8795-74541995B173}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\ = "MediaWatchV1home1104"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1104.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ = "IMediaWatchV1home1104BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ = "IMediaWatchV1home1104BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib\ = "{07FCDC65-E243-4E11-8795-74541995B173}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{07FCDC65-E243-4E11-8795-74541995B173}\1.1\ = "MediaWatchV1home1104Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1104.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib\ = "{07FCDC65-E243-4E11-8795-74541995B173}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17f96c62-69df-4e98-a0ac-e3736a174f99}\TypeLib\ = "{07fcdc65-e243-4e11-8795-74541995b173}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{62AC5EB4-4949-486D-B09F-B0BBC0E98C87}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 4520	4916	regsvr32.exe	82
PID 4916 wrote to memory of 4520	4916	regsvr32.exe	82
PID 4916 wrote to memory of 4520	4916	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1104.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1104.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4520

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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