9c4cd2817e60c762dc2a7bda6e77d7c8450866ad05793abeb4dfd4e182c6981b

Analysis

max time kernel
90s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 02:42

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General

Target

ie/MediaWatchV1home4122.dll
Size

85KB
MD5

e8b72d6a26799e5a961c2ce80de7944c
SHA1

185f4cac501579388109e7aca6991fdbbf4cb308
SHA256

f9f8dac0a197904bb318559be10cdb4171f9633995f2529c83b4b8b53d0896e9
SHA512

d9144024a60f64122d50020de409aaae160e01c92c6e1e8b24277f1901ea5aa77c5314f6c2dae3ba62fe81412b03de457354e1047e44f64739d3f95fe81a1789
SSDEEP

1536:NMflScQkG04RvxtakrOb8DkxNKHgNglQhsl:2likG0EbakrOdKA+ahsl

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\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\ = "MediaWatchV1home4122"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\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\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ = "IMediaWatchV1home4122BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\ = "MediaWatchV1home4122"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\TypeLib\ = "{5cdcc88d-730d-46cc-9170-6f1e755064fd}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\ = "MediaWatchV1home4122Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib\ = "{5CDCC88D-730D-46CC-9170-6F1E755064FD}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ = "IMediaWatchV1home4122BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D143A67A-51A5-44B4-A6F9-DB8C711A8817}\TypeLib\ = "{5CDCC88D-730D-46CC-9170-6F1E755064FD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f46d87d-4a6b-4fba-9a00-6761e9f52c71}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4122.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4122.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5CDCC88D-730D-46CC-9170-6F1E755064FD}\1.1\0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 3428	4916	regsvr32.exe	83
PID 4916 wrote to memory of 3428	4916	regsvr32.exe	83
PID 4916 wrote to memory of 3428	4916	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4122.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4122.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3428

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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