04e6fadc8bdc491c1869b4e6826aaf80b49dfc41cd30744f118580bbc3739edd

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 11:10

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General

Target

ie/MediaWatchV1home4084.dll
Size

85KB
MD5

08e6364b03a9778c734e9fcbfbcd4e4e
SHA1

6c29ff09d6963775b2af20868e34ff0162c713b4
SHA256

0a40d74555cfcf0dfeac53d4e4b6560e2514f16734ae274979e049294ea4a010
SHA512

2a1e723cb7c619c2baa59d534e36e76ee2abd42b0dcb836cac567123fa52e50260ffa6ea15c9cdb5d2582e1530aefca537faa6527bdfb8bb20e90f2ace80eb1a
SSDEEP

1536:2MflScQkG04RfxtakrOb8DkxL3HgNglQHi1:BlikG0ELakrO73A+aHi1

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\{671417a9-8240-48e4-9e7d-abc578a055a4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{671417a9-8240-48e4-9e7d-abc578a055a4}\ = "MediaWatchV1home4084"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{671417a9-8240-48e4-9e7d-abc578a055a4}\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib\ = "{920CCB81-BF86-4714-B678-5F9179056A3F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ = "IMediaWatchV1home4084BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4084.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib\ = "{920CCB81-BF86-4714-B678-5F9179056A3F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\TypeLib\ = "{920ccb81-bf86-4714-b678-5f9179056a3f}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4084.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\ = "MediaWatchV1home4084"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{920CCB81-BF86-4714-B678-5F9179056A3F}\1.1\ = "MediaWatchV1home4084Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B61CF46B-C912-4C2F-8EEC-9BD518A1DF19}\ = "IMediaWatchV1home4084BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{671417a9-8240-48e4-9e7d-abc578a055a4}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30
PID 2348 wrote to memory of 1720	2348	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4084.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4084.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1720

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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