73edcdb6be512bbc0183793cbc6eae83b4b26242235d5f9bad95b9c2d1af6d11

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 20:28

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General

Target

ie/MediaWatchV1home1134.dll
Size

85KB
MD5

dc789edda4ee5cfbd67bd28bb87347f5
SHA1

8d3450861f5c6b58a826fada6cce2849b1f68c60
SHA256

7b06f9ca9edac78ca9f68cee67ab47a692d2d9b3ffe97d5266aad4547f01a38a
SHA512

874041ca3b3b68ad0ee0ff6d6b10d6ac3e18f1da14354235b39694821874b324dcea555e6ace2c1b580836bf6a00d711307ecae8f5ad871130d4a83a77d3d741
SSDEEP

1536:M8/1CsEmka04RhRtahrOb8Dkh0kHA9glQvVtJ:312mka0ElahrO4kguavVt

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\{401cde8f-d171-473e-b765-15f95765828d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{401cde8f-d171-473e-b765-15f95765828d}\ = "MediaWatchV1home1134"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{401cde8f-d171-473e-b765-15f95765828d}\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\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ = "IMediaWatchV1home1134BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\ = "MediaWatchV1home1134"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1134.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\ = "MediaWatchV1home1134Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib\ = "{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home1134.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\TypeLib\ = "{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB5733FD-72FD-48AE-A92C-3EA9BF396F2F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\TypeLib\ = "{db5733fd-72fd-48ae-a92c-3ea9bf396f2f}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ = "IMediaWatchV1home1134BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A41699A5-5DC9-44D3-9519-8C06E74E15D4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{401cde8f-d171-473e-b765-15f95765828d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28
PID 2440 wrote to memory of 2396	2440	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1134.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home1134.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2396

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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