c259e957f60fa9723511cca3f55f3d4339fbf31b7259ff6606924920173b7c26

Analysis

max time kernel
149s
max time network
178s
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/dual_engine_adapter_x86.dll
Size 3.1MB
Sample260810-23v61abb39
SHA256 c259e957f60fa9723511cca3f55f3d4339fbf31b7259ff6606924920173b7c26
MD5 016de613731e330c196b81a74a5c9bb9
SHA1 264180b0b3b8144546c07c9e197757f2cf8308ef
SHA512 fd62de186ebb485cb629bffa0132b4a67e7f68ac02844e52dcb126b9fd313acbf2f19805a8d21aeab3369a305228da8ebc916bc69dbed1e8d0e0a9d90cb0dcd0
SSDEEP 98304:d6666666666666666666666666666666x666666666666666fwwwwwwwwwwwwwwG:xzyiDo
TLSH
T117E54C6172206178C84E9871987C6BBB151C1DCFEB7187EF09DC3CB16A749C23639B9A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5368	5392	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 2684 wrote to memory of 5392	2684	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64\dual_engine_adapter_x86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.WebView2.FixedVersionRuntime.151.0.4129.78.arm64\dual_engine_adapter_x86.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5392 -s 728
    3⤵
    - Program crash
    PID:5368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5392 -ip 5392
1⤵
PID:900

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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