52d2d81e1111c5f050718ba3efa7d5f5c1492a9266721569de939a28b98c9f18

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 20:52

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General

Target
ie/MediaWatchV1home687.dll
Size 85KB
Sample240204-znq8dscecl
SHA256 5dafdd80f9be35edd0bce0c1204f6672fd543262e4935312cc8e553a528532c8
MD5 d2c45dbcb7898eb43e6c7770ebe9a054
SHA1 99705754d9870dbefffefa2967b5140df5aaf28b
SHA512 94af309bc6045c04d50bccedf3374655a4bd5e5d05799b4819e32838d9d9e9703dfa8f1c23191adaf2445747c3c68a4e043bc69d4ed51d89f39c31f395c1df6f
SSDEEP 1536:/n/1CsEmkaMAPtahrOb8DktPsHA9glQKJxR1:X12mkaMAFahrOPsguaKJ/
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\ = "MediaWatchV1home687"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home687.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\ = "MediaWatchV1home687Lib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home687.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\TypeLib\ = "{1ee712b8-b7ed-46d3-912b-fcf0d9549dcd}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ = "IMediaWatchV1home687BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib\ = "{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib\ = "{1EE712B8-B7ED-46D3-912B-FCF0D9549DCD}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6de0d4e4-3e5d-4878-bd5c-6bb4add9c07b}\ = "MediaWatchV1home687"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\ = "IMediaWatchV1home687BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F95B69D-D8BC-45B3-BAC5-DBC083F70A9F}\TypeLib\Version = "1.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28
PID 2424 wrote to memory of 624	2424	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home687.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home687.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:624

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

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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