245821ed6f4b17cfd4ce5fd2665289e2f2fdc3dc701fd06b5b011b0ea251b12c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/08/2026, 23:06

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General

Target
Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64/EBWebView/x86/EmbeddedBrowserWebView.dll
Size 5.4MB
Sample260810-23v61abb39
SHA256 245821ed6f4b17cfd4ce5fd2665289e2f2fdc3dc701fd06b5b011b0ea251b12c
MD5 ecf3aa329eec42b615e008339b921855
SHA1 de07140f87f2546e8fa61caaf92851952afb505e
SHA512 d966f35e42d8adc7f5c42d8973f150fc5d23f4728aa4932a4981775c8c3308b1d1c9cad6c8554491e72eafbb79215c2e8d85771170e9592023283abe5fc18ac0
SSDEEP 49152:NL7l5XyJAPQEyyG5CuM+KINKvoBhzFiVY0Y0ApHlCXPiSvk9/1Yls/PHDpyszxpP:9RQ37KEwVYhlCfzk9/2s3HDEuY0Q
TLSH
T18C468E0364118074D14621B2E83DBB3BA7306B5A8FF249DBAED57C942F74EC1363669E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
988	1600	WerFault.exe	83

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1600	2128	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64\EBWebView\x86\EmbeddedBrowserWebView.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64\EBWebView\x86\EmbeddedBrowserWebView.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 648
    3⤵
    - Program crash
    PID:988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1600 -ip 1600
1⤵
PID:4852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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 v16

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