dad07819cf10e0c224b15b874e0278fb5e851601f52a4d00b173b5c405c18b5c

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 20:43

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General

Target

WebInstaller.exe
Size

120KB
MD5

0fa913aeea4cb78fa9129db050dd70e1
SHA1

84ce5ccca3ac382c34f28800cff149ab0f7c36e6
SHA256

eda8c2e18d760d04cf9f5c7d88078d45fa4eb34b43a9bb39ac3c0ca45afd463c
SHA512

4901fadd10ad6a01d9f4d99609723a0d172e1529572610aaa1490ea11f0fc393e857b00ba669b30dae8695e0312e2341176571a3fd57d722818c959da4fb3d90
SSDEEP

3072:YZ54bhCRXXACKWzPKq8XvvenK+mXhAB4Lu:854bhEXZrKFXenSu4u

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{8CA5ED52-F3FB-4414-A105-2E3491156990}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iWinGamesHookIE.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iWinGamesHookIE.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{8CA5ED52-F3FB-4414-A105-2E3491156990}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\ = "{495874FE-4A82-4AD1-9476-0B957E0B95EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\ = "iFunWebHookIE Type Library for IE Integration"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\ = "{495874FE-4A82-4AD1-9476-0B957E0B95EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3556	5080	WebInstaller.exe	84
PID 5080 wrote to memory of 3556	5080	WebInstaller.exe	84
PID 5080 wrote to memory of 3556	5080	WebInstaller.exe	84

C:\Users\Admin\AppData\Local\Temp\WebInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\WebInstaller.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /i "C:\Users\Admin\AppData\Local\Temp\iWinGamesHookIE.dll"
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3556

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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