f484663c742218069ea9b14c584acbd673a6c3fcd7cea66019c5816fd8589c15

Analysis

max time kernel
133s
max time network
135s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04/10/2024, 05:11

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General

Target

runtimes/win-x86/native/WebView2Loader.dll
Size

113KB
MD5

999f67ef1a2d06beeaf85ec9b5d5d73d
SHA1

644b1768f8675b29fb53a51edb5d344fdf55946c
SHA256

4c24ade2c2a4cf652529fdf4259743fec824c628bdc056fc5c76c29e30e7c06c
SHA512

6399fda1c54bd26ce82b7d48ac1b7c9741d5abf68a67bd62ec53ea2a1f82caac2e9bfdb1cb22f5af3c8ca6f4789a888f6519e02941f6c33f6f9d3b0e58eb56f4
SSDEEP

3072:OnbFYqJx7sXRq2KVs9iiamgqeNZPTj7EtJlAlHJcgf4fm9pS:OZYqJx4gkYiavEtJe9f2mbS

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3356	1740	WerFault.exe	72

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 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1740	1340	rundll32.exe	72
PID 1340 wrote to memory of 1740	1340	rundll32.exe	72
PID 1340 wrote to memory of 1740	1340	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 616
    3⤵
    - Program crash
    PID:3356

Network

MITRE ATT&CK Enterprise v15

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

Windows 7 deprecation

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