15be226231ee990233f181c74ad81a71205dcad0d212f33acf6c997f2867462f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 10:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

WebInstaller.exe
Size

108KB
MD5

db20f37a66a9965cdfc0249f01a699a8
SHA1

1117b061882336964f9b921faee804a2aa1e9509
SHA256

2c7ec87217554f0b347a9df877a929df0856c8d03cf4e0a782a35e3bb06e4be1
SHA512

e94540f3cb83d631c6ca2dd181f53dc9cc6ddc1f81ecba82a981a01071e02fb17846a225730f9f2ac1a72f2744714f107904b98fc9b3317572824dd4c5a0cd1a
SSDEEP

1536:QXEXqN2cYIu/GAILDXC4aTnpaqUeH8RskSyGyARLPbKh9uYpb5qfmbeOKFs:QXEe2c3uBsXCxU1D86TuYpb5qfmy8

Score

6^/10

adware discovery 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

System Location Discovery: System Language Discovery 1 TTPs 2 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	WebInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IWINGA~1.DLL"	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\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\0\win32	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\0	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\CurVer\ = "IEHlprObj.IEHlprObj.1"	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\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\ = "iFunWebHookIE Type Library for IE Integration"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\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}\ = "IIEHlprObj"	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}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	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	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{495874FE-4A82-4AD1-9476-0B957E0B95EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	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\Wow6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\InprocServer32\ThreadingModel = "Apartment"	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\Wow6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\ = "{495874FE-4A82-4AD1-9476-0B957E0B95EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB}\TypeLib\ = "{495874FE-4A82-4AD1-9476-0B957E0B95EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8CA5ED52-F3FB-4414-A105-2E3491156990}\ = "IEHlprObj Class"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30
PID 2092 wrote to memory of 1712	2092	WebInstaller.exe	30

C:\Users\Admin\AppData\Local\Temp\WebInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\WebInstaller.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /i "C:\Users\Admin\AppData\Local\Temp\iWinGamesHookIE.dll"
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1712

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

Replay Monitor

Loading Replay Monitor...

Downloads