bac01d1734d92ad8517ffbfd01607fedcb71d4c856314c32a812e0fbd5442c08

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/10/2024, 04:31

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General

Target
ie/MediaWatchV1home4772.dll
Size 85KB
Sample241022-e5t1dsxerd
SHA256 4eadb9f9f6457bef1cd87d07bb2ee839484e79b4c89ac8987cf78bb0d13f8c81
MD5 d871191491f201b489d6ba17cd5ea483
SHA1 696b8075cddcc60ec0e5c9017a78628720d7e553
SHA512 b68bef98efcdf1b1d121c3cfe9500e19f058f97873e1e84823798ec7e5c0872cf61b65b7416e4cf9ec4108c6f878a5d5d5f0eb8fa204a377a89f3c043d98e9d7
SSDEEP 1536:u8/1CsEmka04RhRtahrOb8DkhWlHA9glQsDgR:512mka0ElahrO6lguasDg
MD5 SHA1 SHA512 SSDEEP

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\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\ = "MediaWatchV1home4772"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\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\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ = "IMediaWatchV1home4772BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ = "IMediaWatchV1home4772BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib\ = "{0E414624-4815-4B08-8C93-94F038907EC4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4772.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\MediaWatchV1home4772.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\ = "MediaWatchV1home4772"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\TypeLib\ = "{0e414624-4815-4b08-8c93-94f038907ec4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib\ = "{0E414624-4815-4B08-8C93-94F038907EC4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9ac040bd-fbbd-436a-be88-a8e39d995f0c}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E414624-4815-4B08-8C93-94F038907EC4}\1.1\ = "MediaWatchV1home4772Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F79CBA8C-4ACC-4E20-89F6-69BD07462ECD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30
PID 2356 wrote to memory of 2376	2356	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4772.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\MediaWatchV1home4772.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2376

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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